Mutable is the iOS app developer behind the iOS Camera app Defqt and the iPhone app SnapTask. We've been building apps for iOS and Android since 2010, with decades of combined experience.

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iOS Swift 3 and Android apps that gather and display stream data from IoT devices, iOS Objective-C SDK for easy developer access to API

Native iOS Swift 3, Objective-C and Android Java R&D work including external hardware pairing, image capture, CAD tooling and APIs

iOS SDK which wraps a complex API for pulling in client's User Generated Content from multiple online sources

Our Services

Native iOS

Build powerful, buttery smooth iOS apps with Swift or Objective-C

Cloud / API

Sync across devices with CloudKit, Firebase, AWS or a custom API

Native SDKs

Allow developers to easily integrate your API with an iOS or Android SDK

Native Android

Java on native Android for powerful screen transitions and great animations

Payment / Checkout

Integrate Apple Pay with Touch ID, or 3rd party SDKs Stripe or Braintree

3rd Party Frameworks

Auth0, Twilio, PubNub, TokBox, Stripe, AWS, Firebase, DropBox and more

Defqt - Featured Project


We build our own products so we understand the process from beginning to end, from idea to app store and beyond.

Take advantage of our many years of developing and submitting apps to the App Store, including deep technical expertise with the latest iOS tools and languages (like Swift, WatchKit, tvOS).


Let's build something great.


Get in touch

Schedule a free call to discuss your project