blocks|key|3101734|text|是的，这将工作得很好。在苹果将ipod升级为与新款iphone相同的内部技术规格后，它们的产品线将更加均匀。“iphone”就像iPod软件一样，除了特定于硬件的应用程序。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3101735|与ipod+touch相比，iphone拥有更多的硬件功能，比如手机对讲机、摄像头、麦克风、指南针(+compass+)和GPS。|3101736|因此，如果你没有开发任何使用这些设备功能的应用程序，ipod+touch应该可以很好地为你服务。|3101737|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Yes, this would work fine. They will be more even product lines after apple updates the ipod's to the same internal tech specs as the new iphone. The "iPod Touch" is just like the iphone software wise except for the hardware specific apps.

The iphone has a few more hardware features over the ipod touch like the cellular radios of course, camera, microphone, compass (3gs), and GPS.

So if you are not developing any application that uses any of those device features, the ipod touch should serve you well.

blocks|key|335986|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|335987|没有GPS|unordered-list-item|335988|没有3G芯片|335989|不同的CPU速度(取决于型号)|335990|没有罗盘(如果我们说的是3GS)|335991|没有摄像头|335992|335993|除此之外，我正在开发的应用程序也可以在我们的图形专家的iPod+Touch和3G/3GS上运行|335994|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|-4|4|5|6|Q|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|R|7|@]|8|@]|9|$]]|$1|D|3|E|4|C|6|S|7|@]|8|@]|9|$]]|$1|F|3|G|4|C|6|T|7|@]|8|@]|9|$]]|$1|H|3|I|4|C|6|U|7|@]|8|@]|9|$]]|$1|J|3|K|4|C|6|V|7|@]|8|@]|9|$]]|$1|L|3|-4|4|5|6|W|7|@]|8|@]|9|$]]|$1|M|3|N|4|5|6|X|7|@]|8|@]|9|$]]|$1|O|3|-4|4|5|6|Y|7|@]|8|@]|9|$]]]|P|$]]

<ul>
<li>No GPS</li>
<li>No 3G Chip</li>
<li>Different CPU Speed (depending on model)</li>
<li>No compass (if we're talking 3GS)</li>
<li>No camera.</li>
</ul>

Other than that, the apps I'm working on work as well on our graphics guy's iPod Touch as well as on the 3G/3GS

blocks|key|3314604|text|除了其他人列出的其他功能之外，iPod+Touch也没有内置麦克风，因此依赖音频输入的应用程序也是一个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3314605|不过，总的来说，iPod+Touch是一个很好的通用应用程序或游戏的测试和开发平台。|3314606|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Aside from the other features lacking that other people have listed, the iPod Touch also lacks a built-in microphone, so apps relying on audio input are also a problem.

In general, though, the iPod Touch makes a great testing and development platform for general-purpose apps or games.

blocks|key|3101798|text|引用自gizmodo.com|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3101799|iPod可以像iPhone一样运行Mac，我们从苹果内部得到的非官方消息是，它运行的是完全相同的应用程序。确切的引述是：“他们使用同样的二进制文件”。|3101800|3101801|这句话出自一篇已有近两年历史的文章，我没有看到任何东西表明它是不正确的。|3101802|因此，正如前面所说的，只要你不想开发特定于硬件的应用程序，那么使用iPod+Touch就可以了。尽管我个人认为，如果你打算为一个平台进行开发，你应该使用这个平台。我也知道iPhone很贵，所以我不会责怪你想省钱。:)|3101803|entityMap|0|LINK|mutability|MUTABLE|url|http://gizmodo.com/gadgets/breaking/ipod-touch-runs-same-applications-as-iphone-296837.php^0|3|B|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|X|8|@]|9|@]|C|$]]|$1|G|3|H|5|6|7|Y|8|@]|9|@]|C|$]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|C|$]]|$1|K|3|-4|5|6|7|10|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

A quote from <a href="http://gizmodo.com/gadgets/breaking/ipod-touch-runs-same-applications-as-iphone-296837.php" rel="nofollow noreferrer">gizmodo.com</a>

<blockquote>
 The iPod runs Mac OS X like the iPhone does and we have got unofficial word from inside Apple that it runs exactly the same applications. The exact quote: "they use the same damn binaries".
</blockquote>

That quote is from an article that is almost two years old now, and I haven't seen anything to suggest it is incorrect.

So as has been said, as long as you aren't trying to develop hardware specific applications then using the iPod Touch should be fine. Though personally I believe if you intend to develop for a platform you should use that platform. I also understand the iPhone is expensive so I don't blame you for wanting to save some cash. :)

blocks|key|339492|text|要记住的一件事是，第二代iPod+Touch拥有比第一代和3G+iPhone更强大的处理器。如果您正在开发的应用程序是一个特别占用CPU的应用程序，那么您可能想要拿一个旧的iPhone进行测试。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|339493|也有很多使用过的第一代iPhones。你不需要计划使用它们来运行应用程序和通过wi-fi上网。如果你真的需要测试旧的iPhones，你应该能够得到一个使用过的，而不是支付AT&T的订阅。|339494|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

One thing to bear in mind is that the second generation iPod Touch has a more powerful processor than the original and 3G iPhone. If the app you're making is a particularly CPU intense one, you may want to pick up an old iPhone to test against.

There are also a lot of used first generation iPhones out there. You don't need a plan to use them to run apps and get on the Internet via wi-fi. If you really need to test against the older iPhones, you should be able to get one used and not pay AT&amp;T for a subscription.

blocks|key|334538|text|正如@Chaos指出的那样，iPhone和iPod+touch在硬件功能上有所不同。iPod+touch缺少：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|334539|334540|GPS|unordered-list-item|334541|3G/EDGE蜂窝连接(即只能连接到networks)|334542|Compass|334543|Camera|334544|Built-in+WiFi麦克风(第二代iPod+touch支持外部麦克风，第一代不支持)|334545|334546|至于CPU的速度，苹果没有发布任何类型的规格。不过，iPhone+3GS肯定比现在的iPod+touch要快一些，比最初的iPhone和iPhone+3G要快一点。如果你的应用是CPU密集型的，你应该在一个旧的iPhone上测试它。|334547|另一个重要的区别是不同设备的网络功能。如果你的应用程序永远不需要连接到互联网，那么iPod触摸就可以了。然而，如果你在你的应用程序中使用网络，记住WiFi连接很好，稳定和快速，但是3G和EDGE连接很慢，很糟糕，而且容易间歇性故障。你的应用程序需要能够处理糟糕的互联网连接。不过，您实际上并不需要iPhone来测试这些东西；相反，您可以编写一个脚本来人为地限制或中断开发机器的网络连接。Craig+Hockenberry发布了一个很好的方法来做到这一点，你可以找到复制的here。|offset|length|334548|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/955341/testing-iphone-app-with-limited-network-access^0|0|0|0|0|0|0|0|0|0|6J|4|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|13|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|14|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|15|8|@]|9|@]|A|$]]|$1|H|3|I|5|E|7|16|8|@]|9|@]|A|$]]|$1|J|3|K|5|E|7|17|8|@]|9|@]|A|$]]|$1|L|3|M|5|E|7|18|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|19|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1A|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1B|8|@]|9|@$S|1C|T|1D|1|1E]]|A|$]]|$1|U|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]]|V|$W|$5|X|Y|Z|A|$10|11]]]]

As @Chaos noted, the iPhone and iPod touch differ in their hardware features. The iPod touch lacks:

<ul>
<li>GPS</li>
<li>3G/EDGE cellular connection (that is, it can only connect to WiFi networks)</li>
<li>Compass</li>
<li>Camera</li>
<li>Built-in microphone (the second generation iPod touch supports external microphones; the first generation doesn't)</li>
</ul>

As for the CPU speeds, Apple doesn't publish any kind of spec for that. However, the iPhone 3GS is definitely faster than the current iPod touch, which is a bit faster than the original iPhone and the iPhone 3G. If your app is CPU-intensive, you should test it on an older iPhone.

Another important difference is the networking capabilities of the different devices. If your app never has to connect to the Internet, then an iPod touch is just fine. However, if you're using the network at all in your app, remember that WiFi connections are nice and stable and fast, but 3G and EDGE connections are slow and crappy and prone to intermittent failure. Your app needs to be able to deal with a crappy Internet connection. You don't actually need an iPhone to test this stuff, though; instead, you can write a script to artificially throttle or interrupt your development machine's network connection. Craig Hockenberry posted a good method for doing this, which you can find reproduced <a href="https://stackoverflow.com/questions/955341/testing-iphone-app-with-limited-network-access">here</a>.

blocks|key|336047|text|很多人都给出了很好的答案。但他们实际上只是指出了其中的区别，并没有说明你应该购买iPod+Touch还是iPhone。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|336048|获得一部手机|offset|length|style|BOLD|336049|事情就是这么简单。|336050|336051|它做的不仅仅是上面列出的iPod+touch。|ordered-list-item|336052|你可以把它当做手机来使用，替换掉你现有的手机。|336053|一旦你的游戏真正卖出去，你最终还是会得到一部iPhone，因为你现在正在赚钱，然后你就需要亏本地卖给你iPod+touch+(你并不是真的需要它)。|336054|你明年会开发不止一个应用程序，其中一个可能会依赖于iPhone摄像头，全球定位系统，甚至视频，甚至是指南针。你需要一台iPhone来处理这一切。|336055|你现在想要的是互联网，无论你在哪里，当它们每天出来的时候，你都可以检查你的销售数据。|336056|336057|省钱，买一台设备，买一部iPhone，然后卖掉你的旧手机。|336058|entityMap^0|0|0|4|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|11|8|@$D|12|E|13|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|14|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|15|8|@]|9|@]|A|$]]|$1|K|3|L|5|M|7|16|8|@]|9|@]|A|$]]|$1|N|3|O|5|M|7|17|8|@]|9|@]|A|$]]|$1|P|3|Q|5|M|7|18|8|@]|9|@]|A|$]]|$1|R|3|S|5|M|7|19|8|@]|9|@]|A|$]]|$1|T|3|U|5|M|7|1A|8|@]|9|@]|A|$]]|$1|V|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|1C|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1D|8|@]|9|@]|A|$]]]|Z|$]]

Many people have give pretty good answers. But they have really only pointed out the difference and have not said if you should get an iPod Touch or an iPhone.

GET AN IPHONE

It is simple as that.

<ol>
<li>It does more than an iPod touch as listed above.</li>
<li>You can use it as a phone and replace your existing phone.</li>
<li>Once your game actually sells you will end up getting an iPhone anyway because you are now making money, you will then need to sell you iPod touch at a loss (you dont really need it).</li>
<li>You will build more than one app in the next year and one of them might rely on the iPhone camera, GPS, or even Video, maybe even compass, you will need an iPhone for all this.</li>
<li>You will now want the internet where ever you are to check you sales stats every day when they come out.</li>
</ol>

Save you money, buy one device, buy an iPhone and sell your old phone.

blocks|key|336087|text|就一般软件开发而言，接触iPod+Touch是进入iPhone应用程序开发的绝佳方式。我住在内布拉斯加州，AT&T的覆盖范围充其量也是参差不齐的(我朋友的iPhone在我家里收不到清晰的信号)。你不会得到3GS的花哨装饰，但你可以节省前期投资。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|336088|我最近购买了一台MacBook和一台32+do的iPod+Touch来做你所建议的事情--在预算上投入iPhone应用程序的开发。最后，我计划购买更多的设备，但仅仅是为了开始，这是没有意义的银行。我已经开发了Windows和Linux软件，但我对Objective-C和Mac平台总体来说还是个新手，所以我期待着一个学习曲线。在我跟上进度的过程中，我不希望每月向AT&T支付超过100美元。|336089|以下是我从苹果购买的全新硬件和软件的入门费用：|336090|336091|MacBook+-+$1070|unordered-list-item|336092|iPod+Touch+32+OS+$428|336093|iPhone+3.0操作系统升级-+$10.70|336094|336095|总而言之，我已经花了1500美元(含税)来拥有一个可行的开发平台。根据BillShrink的数据，16+an+3GS的总拥有成本为2800美元(http://www.billshrink.com/blog/iphone-versus-palm-pre-versus-android/)。加上MacBook，你头两年的收入将接近4,000美元。我花了440美元得到了2倍的容量...|offset|length|336096|虽然我同意直接使用iPhone提供了最大的灵活性，但我也认为iPod+Touch是对苹果新软件平台的一个很好的介绍。您可以节省高达2400美元(取决于您当前的单元格计划成本)，同时获得开发过程的感觉。|336097|更新:获得iPhone+3GS的一个主要原因是获得OpenGL+ES+2.0支持。如果要执行任何基于着色器的高级渲染，则3GS是唯一有效的iPhone。3GS的速度也几乎是OpenGL+ES+1.1代码的2G+iPod+Touch的两倍。来源：http://toucharcade.com/2009/06/20/iphone-3g-s-vs-ipod-touch-cpu-opengl-es-benchmarks/|336098|entityMap|0|LINK|mutability|MUTABLE|url|http://www.billshrink.com/blog/iphone-versus-palm-pre-versus-android/|1|http://toucharcade.com/2009/06/20/iphone-3g-s-vs-ipod-touch-cpu-opengl-es-benchmarks/^0|0|0|0|0|0|0|0|0|20|1X|0|0|0|3E|2D|1|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|17|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|18|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|19|8|@]|9|@]|A|$]]|$1|G|3|H|5|I|7|1A|8|@]|9|@]|A|$]]|$1|J|3|K|5|I|7|1B|8|@]|9|@]|A|$]]|$1|L|3|M|5|I|7|1C|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|1D|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1E|8|@]|9|@$Q|1F|R|1G|1|1H]]|A|$]]|$1|S|3|T|5|6|7|1I|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1J|8|@]|9|@$Q|1K|R|1L|1|1M]]|A|$]]|$1|W|3|-4|5|6|7|1N|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13]]|14|$5|Z|10|11|A|$12|15]]]]

As far as general software development goes, getting an iPod Touch is a fantastic way to get into iPhone app development. I live in Nebraska, where AT&amp;T coverage is spotty at best (my friend's iPhone doesn't get a clear signal in my house). You won't get the bells and whistles of a 3GS, but you'll save on the up-front investment.

I recently purchased a MacBook and a 32GB iPod Touch to do just what you're suggesting - get into iPhone app development on a budget. In the end I plan to pickup several more devices, but just to get started it doesn't make sense to break the bank. I've developed Windows and Linux software but I'm new to Objective-C and the Mac platform in general, so I'm expecting a learning curve. I'd prefer not to be forking over $100 per month to AT&amp;T while I get up to speed.

Here's what I paid for new-in-the-box hardware and software from Apple to get started:

<ul>
<li>MacBook - $1070</li>
<li>iPod Touch 32GB - $428</li>
<li>iPhone 3.0 OS upgrade - $10.70</li>
</ul>

All told I've spent $1500 (including tax) to have a viable development platform. According to BillShrink the TCO of a 16GB 3GS with an average usage plan is $2800 (<a href="http://www.billshrink.com/blog/iphone-versus-palm-pre-versus-android/" rel="noreferrer">http://www.billshrink.com/blog/iphone-versus-palm-pre-versus-android/</a>). Add in the MacBook and you're up to nearly $4000 in the first two years. I got 2X the capacity for $440...

While I agree that going straight to the iPhone provides the most flexibility, I also think that the iPod Touch is a great introduction to Apple's new software platform. You can save up to $2400 (depending upon how much your current cell plan costs) while getting a feel for the development process.

Update:
One major reason to get the iPhone 3GS is to get OpenGL ES 2.0 support. If you want to do any advanced shader-based rendering, the 3GS is the only iPhone that will work. The 3GS is also nearly twice as fast as the 2G iPod Touch for OpenGL ES 1.1 code. Source: <a href="http://toucharcade.com/2009/06/20/iphone-3g-s-vs-ipod-touch-cpu-opengl-es-benchmarks/" rel="noreferrer">http://toucharcade.com/2009/06/20/iphone-3g-s-vs-ipod-touch-cpu-opengl-es-benchmarks/</a>

blocks|key|3101983|text|我开始在我的iPod+Touch上为iPhone开发应用程序，在这里这些小玩意儿真的很贵……这是一个令人沮丧的..|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3101984|我在开发过程中遇到的唯一问题是没有3G和全球定位系统，因为我想看看我的应用程序在3G上与WiFi相比是如何工作的，我还想使用地图Api，但Touch没有全球定位系统，我必须找到一个iPhone来测试我的应用程序。|3101985|如果你想开始开发，我认为ipod+touch也是一个很好的起点，3GS真的很贵(在这里-罗马尼亚-就像1100欧元-2年合同)和3G+(仍然是600欧元-2年合同)。因此，如果你只想玩可可和免费构建小应用程序……请牢记成本。|3101986|第一代ipod+touch没有音量按钮，第二代有them..just确认|3101987|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

I started developing apps for the iPhone on my iPod Touch, here these gadgets are really expensive... and that is a bummer.. 

The only problem i have encountered while developing was the lack of 3G and the GPS because i wanted to see how my apps will work on 3G compared to WiFi and also i wanted to use the Maps Api but the Touch doesn't have the GPS and i had to find an iPhone to test my app..

If you want to start developing i think the ipod touch is a good starting point also, the 3GS is really expensive(here - Romania - is like 1100 euros - 2 year contracts) and the 3G also(still 600 - euros - 2 year).. so if you only want to play with cocoa and build small apps for free... keep in mind the costs.

The first generation of ipod touch didn't had the volume buttons, the second generation has them..just to confirm

blocks|key|339581|text|2010年9月的iPod+Touch有两个摄像头和一个麦克风。除了手机部分，它具有与iPhone4相同的功能&没有全球定位系统。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|339582|我认为花点钱买第四代iPod要比买iPhone+4要好(除非你的应用需要非常精确的GPS坐标)。|339583|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

The September 2010 iPod Touch has 2 cameras and a microphone. It has the same functionality as the iPhone4 apart from the phone part &amp; doesn't have GPS.

I think it's better to spend money on a iPod Touch 4th gen than on an iPhone 4 (unless you need really accurate GPS coordinates in your app).

Essentially I'd like to know just how compatible are the iPhone and the iPod Touch. I would like to know if I could buy an iPod Touch (and thus save some cash) and develop iPhone apps on it or if I really should spend the extra money and put up with AT&amp;T and get the iPhone.

What exactly is different between the two devices (other than the missing phone part in the iPod Touch).

Has anyone done this successfully? Or am I crazy for even thinking it?

EDIT

I've corrected the references to iPod Touch in the text so that @person-b won't strangle me..

Also, i would like to make sure that I point out the fact that I really am interesting in the feasibility of developing iPhone apps on an iPod Touch.

iPod Touch compared to iPhone as development platform for iPhone apps

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从本质上说，我想知道iPhone和iPod Touch到底有多兼容。我想知道我是否可以买一个iPod Touch (从而节省一些钱)，并在上面开发iPhone应用程序，或者我是否真的应该花额外的钱，忍受AT&T并获得iPhone。两种设备到底有什么不同(除了iPod触摸屏中缺少的手机部件)。有人成功地做到了这一点吗？或...

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