# A+ Study vs OffBook Kit

The clearest difference is update cadence: A+ Study at every 5 days against OffBook Kit's every 6 weeks. A+ Study also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. A+ Study sells 2 in-app purchases, starting at $7.99 per month and OffBook Kit sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

A+ Study ships an update every 5 days, OffBook Kit every 6 weeks. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | A+ Study | OffBook Kit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Size | 41 MB | 82 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [APPSHIN](https://appshunter.io/developer/1733851952) | [Jungwoo Chae](https://appshunter.io/developer/1896510671) |

## What reviewers say

### A+ Study

[App page](https://appshunter.io/ios/app/a-plus-study/id6751099885)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $7.99 | per month |
| Premium Annual Subscription | $59.99 | per year |


### OffBook Kit

[App page](https://appshunter.io/ios/app/offbook-kit/id6770186914)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Yearly Subscription | $59.99 | per year |


## Frequently asked questions

### Is A+ Study free?

A+ Study is free to download, with in-app purchases available.

### Is OffBook Kit free?

OffBook Kit is free to download, with in-app purchases available.

### Do A+ Study or OffBook Kit have ads?

Neither A+ Study nor OffBook Kit shows ads.

### Which is updated more often, A+ Study or OffBook Kit?

A+ Study ships an update every 5 days, and OffBook Kit every 6 weeks. Most recently, A+ Study was updated on October 5, 2026 and OffBook Kit on September 28, 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.*