# OpenABC vs 小默本

The clearest difference is update cadence: OpenABC at every 3 days against 小默本's every 6 days. 小默本's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. OpenABC sells 1 one-off in-app purchase and 小默本 sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

OpenABC ships an update every 3 days, 小默本 every 6 days. The most recent releases landed on September 19, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | OpenABC | 小默本 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openabc/id6789418205/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | Free with in-app purchases | — |
| Size | 341 MB | 72 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [帅 周](https://appshunter.io/developer/6789373257) | [Shanghai Yidudu Technology Co., Ltd.](https://appshunter.io/developer/1862062047) |

## What reviewers say

### OpenABC

[App page](https://appshunter.io/ios/app/openabc/id6789418205)

This app offers a comprehensive language learning path, integrating listening, speaking, reading, and writing. It uses visual aids, handwriting recognition, and pronunciation feedback to help users master new vocabulary and grammar in context. Content adapts to the learner's level and includes various practice modes.

**Highlights:** Visual word learning, Handwriting dictation, Pronunciation feedback, Contextual grammar practice, Offline content access, Multiple learner profiles

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁完整版 | $3.99 | one-time |


### 小默本

[App page](https://appshunter.io/ios/app/id6790402091)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $3.99 | per month |
| 年度会员 | $14.99 | per year |


## Frequently asked questions

### Is OpenABC free?

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

### Is 小默本 free?

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

### Do OpenABC or 小默本 have ads?

Neither OpenABC nor 小默本 shows ads.

### Which is updated more often, OpenABC or 小默本?

OpenABC ships an update every 3 days, and 小默本 every 6 days. Most recently, OpenABC was updated on September 19, 2026 and 小默本 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.*