# 双语时代ACE vs MaryClass

The clearest difference is update cadence: MaryClass at every 2 weeks against 双语时代ACE's every 5 weeks. 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.

双语时代ACE ships an update every 5 weeks, MaryClass every 2 weeks. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 双语时代ACE | MaryClass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 447 MB | 46 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [慧 许](https://appshunter.io/developer/1342517766) | [上海行予科技有限公司](https://appshunter.io/developer/1791489853) |

## What reviewers say

### 双语时代ACE

[App page](https://appshunter.io/ios/app/ace/id1183179754)

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

**In-app purchases:** none


### MaryClass

[App page](https://appshunter.io/ios/app/maryclass/id6740763900)

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

**In-app purchases:** none


## Frequently asked questions

### Is 双语时代ACE free?

双语时代ACE is free to download, with no in-app purchases.

### Is MaryClass free?

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

### Do 双语时代ACE or MaryClass have ads?

Neither 双语时代ACE nor MaryClass shows ads.

### Which is updated more often, 双语时代ACE or MaryClass?

双语时代ACE ships an update every 5 weeks, and MaryClass every 2 weeks. Most recently, 双语时代ACE was updated on October 10, 2026 and MaryClass on October 15, 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.*