# 表背 vs Infinitest

The clearest difference is iOS requirement: 表背 at 15.6 against Infinitest's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 表背 sells 10 one-off in-app purchases and Infinitest sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

表背 ships an update every 3 days, Infinitest every 2 days. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 表背 | Infinitest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 121 MB | 12 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [快 余](https://appshunter.io/developer/1826906697) | [玉庭 何](https://appshunter.io/developer/1867438392) |

## What reviewers say

### 表背

[App page](https://appshunter.io/ios/app/and/id6764088443)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 初中英语 - 永久解锁 | $0.99 | one-time |
| 高中英语 - 永久解锁 | $0.99 | one-time |
| 小学英语 (人教) - 永久解锁 | $0.99 | one-time |
| 初中英语 (人教) - 永久解锁 | $0.99 | one-time |
| 初中英语 (外研) - 永久解锁 | $0.99 | one-time |
| SAT 核心 - 永久解锁 | $1.99 | one-time |
| GMAT 核心 - 永久解锁 | $1.99 | one-time |
| 高中英语 (人教) - 永久解锁 | $2.99 | one-time |
| 高中英语 (北师大) - 永久解锁 | $2.99 | one-time |
| 表盘组件高级功能 - 永久解锁 | $2.99 | one-time |


### Infinitest

[App page](https://appshunter.io/ios/app/infinitest/id6773301758)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $0.99 | per month |
| 年订阅 | $3.99 | per year |
| 终身会员 | $12.99 | one-time |


## Frequently asked questions

### Is 表背 free?

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

### Is Infinitest free?

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

### Do 表背 or Infinitest have ads?

Neither 表背 nor Infinitest shows ads.

### Which is updated more often, 表背 or Infinitest?

表背 ships an update every 3 days, and Infinitest every 2 days. Most recently, 表背 was updated on October 5, 2026 and Infinitest on September 26, 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.*