# 音基宝典 vs iTheory ‑ ABRSM Exam Guide

The clearest difference is update cadence: iTheory ‑ ABRSM Exam Guide at every 9 days against 音基宝典's every 6 months. 音基宝典's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

音基宝典 ships an update every 6 months, iTheory ‑ ABRSM Exam Guide every 9 days. Both last shipped on September 20, 2026.

## The numbers

| Metric | 音基宝典 | iTheory ‑ ABRSM Exam Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Size | 138 MB | 122 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [太原君旺科技有限公司](https://appshunter.io/developer/1639766149) | [颖 巫](https://appshunter.io/developer/515330826) |

## What reviewers say

### 音基宝典

[App page](https://appshunter.io/ios/app/id6739977440)

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

**In-app purchases:** none


### iTheory ‑ ABRSM Exam Guide

[App page](https://appshunter.io/ios/app/itheory-abrsm-exam-guide/id6776988802)

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

**In-app purchases:** none


## Frequently asked questions

### Is 音基宝典 free?

音基宝典 is free to download, with no in-app purchases.

### Is iTheory ‑ ABRSM Exam Guide free?

iTheory ‑ ABRSM Exam Guide is free to download, with no in-app purchases.

### Do 音基宝典 or iTheory ‑ ABRSM Exam Guide have ads?

Neither 音基宝典 nor iTheory ‑ ABRSM Exam Guide shows ads.

### Which is updated more often, 音基宝典 or iTheory ‑ ABRSM Exam Guide?

音基宝典 ships an update every 6 months, and iTheory ‑ ABRSM Exam Guide every 9 days. Most recently, 音基宝典 was updated on September 20, 2026 and iTheory ‑ ABRSM Exam Guide on September 20, 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.*