# IMA学习平台 vs QuickErrNote

The clearest difference is in-app purchases: IMA学习平台 at none against QuickErrNote's 3. IMA学习平台 also leads on iOS requirement (13.0 vs 17.0). QuickErrNote's advantage is update cadence (every 5 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. QuickErrNote sells 3 one-off in-app purchases. IMA学习平台 asks for nothing beyond the download.

IMA学习平台 ships an update every 6 months, QuickErrNote every 5 days. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | IMA学习平台 | QuickErrNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Size | 47 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Huisi Information Technology Co., Ltd.](https://appshunter.io/developer/1633018338) | [HappyTimes Tech Co., Ltd.](https://appshunter.io/developer/1455774641) |

## What reviewers say

### IMA学习平台

[App page](https://appshunter.io/ios/app/ima/id1660736133)

**Features:** macOS Compatibility

**In-app purchases:** none


### QuickErrNote

[App page](https://appshunter.io/ios/app/quickerrnote-ai-error-notebook/id6801344489)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 120 Points | $0.99 | one-time |
| 400 Points | $1.99 | one-time |
| 3500 Points | $12.99 | one-time |


## Frequently asked questions

### Is IMA学习平台 free?

IMA学习平台 is free to download, with no in-app purchases.

### Is QuickErrNote free?

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

### Do IMA学习平台 or QuickErrNote have ads?

Neither IMA学习平台 nor QuickErrNote shows ads.

### Which is updated more often, IMA学习平台 or QuickErrNote?

IMA学习平台 ships an update every 6 months, and QuickErrNote every 5 days. Most recently, IMA学习平台 was updated on September 15, 2026 and QuickErrNote on September 10, 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.*