# API Reference for IOS Develope vs i

The clearest difference is review sentiment: i at 100% against API Reference for IOS Develope's 33%. i also leads on price (Free vs $0.99) and update cadence (every 10 days vs every 38 months). On ads, in-app purchases and device support there is nothing between them.

i is free to download; API Reference for IOS Develope costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

API Reference for IOS Develope ships an update every 38 months, i every 10 days. The most recent releases landed on August 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | API Reference for IOS Develope | i |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/api-reference-for-ios-develope/id1098090692/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 10 days** |
| Monetization | Paid | **Free** |
| Size | 11 MB | 33 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [强 马](https://appshunter.io/developer/687218962) | [Nguyen Tuan Anh](https://appshunter.io/developer/1250408464) |

## What reviewers say

### API Reference for IOS Develope

[App page](https://appshunter.io/ios/app/api-reference-for-ios-develope/id1098090692)

Learn Swift, a modern programming language for iOS and OS X development. This app provides a tutorial for programmers to understand Swift from the ground up, enabling them to achieve higher levels of expertise.

**Highlights:** Swift programming language tutorial, iOS development focus, OS X development focus, Learn from scratch, Beginner to expert progression

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-components-ios-components-development-components/id1250408465)

This app helps aspiring and experienced iOS developers understand and master the fundamental components of iOS development. It provides an intuitive tree view to visualize relationships between components and fosters a community for sharing insights and troubleshooting.

**Highlights:** Intuitive tree view of iOS components, Deepen understanding of component relationships, Community insights and troubleshooting, Reference for junior and senior iOS developers, Learn iOS programming fundamentals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is API Reference for IOS Develope free?

API Reference for IOS Develope costs $0.99, with no in-app purchases.

### Is i free?

i is free to download, with no in-app purchases.

### Do API Reference for IOS Develope or i have ads?

Neither API Reference for IOS Develope nor i shows ads.

### Which is updated more often, API Reference for IOS Develope or i?

API Reference for IOS Develope ships an update every 38 months, and i every 10 days. Most recently, API Reference for IOS Develope was updated on August 23, 2026 and i on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*