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Editorial Team
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Asked: 2026-05-23T14:11:20+00:00

I’m looking for reasons developers ought to consider before developing and testing applications and

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I’m looking for reasons developers ought to consider before developing and testing applications and games on a jailbreak device. My conviction is that if you want to publish your App to the App Store, you better make sure you always test on a non-jailbreak device. Eg. if you are a serious developer, what do you have to consider before jailbreaking your only development device respectively buying a second untampered device just for development.

The legal implications are fairly well known but it doesn’t hurt to reiterate them. What I’m more interested in are all the technical reasons why development on a jailbroken iPhone will make your life harder (or sometimes easier if that exists, too).

For example, I’ve read that jailbreak devices can cause adverse behavior, bugs and crashes which will not appear on a non-jailbreak device. But what those issues are remains in the dark. I’m looking for concrete evidence of bugs and misbehavior that is relatively common (eg occured to you, or someone who blogged about it) when you do test on a jailbreak device.

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  1. Editorial Team

    You always want to test on the device and configuration you will be releasing for. If your going to release for jailbroke devices, test on jailbroke. If you intend to release through the app store, test on an unbroken devices.

    I haven’t work on a jailbroke device but I think the biggest issue would be that jailbroke devices do not enforce the same security restrictions as non-jailbroke devices. It would be easy to have a segment of code that relies on access that disappears on a non-jailbroke device.

    You always want to develop and/or test on device as close to your projected average user as possible. One big mistake that developers have made for decades is building and test new software on their high-horse power developer stations. They see that the softwares runs fine on there above average systesm but when they release the software to average users running on average systems, the software is to slow in real-world use. That wouldn’t be such an issue on mobile devices but the principle is the same.

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