# c语言编译器 vs 背得快

The clearest difference is ads: c语言编译器 at none against 背得快's shown. c语言编译器 also leads on iOS requirement (11.0 vs 16.0). 背得快's advantage is update cadence (weekly vs every 3 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. c语言编译器 sells 1 one-off in-app purchase and 背得快 sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

c语言编译器 ships an update every 3 months, 背得快 weekly. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | c语言编译器 | 背得快 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 46.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 41 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [少美 刘](https://appshunter.io/developer/1681521217) | [建春 林](https://appshunter.io/developer/1823015632) |

## What reviewers say

### c语言编译器

[App page](https://appshunter.io/ios/app/c-c/id6449145854)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| c语言编译器永久会员 | $14.99 | one-time |


### 背得快

[App page](https://appshunter.io/ios/app/id6758289815)

This AI-powered tool transforms study materials into visual mind maps, summaries, and practice questions. It helps users understand and memorize information more effectively by breaking down complex topics and reinforcing key concepts through interactive exercises. Supports various import formats and includes a daily check-in feature to encourage consistent learning.

**Highlights:** AI-generated mind maps, AI content summarization, AI keyword fill-in-the-blanks, AI practice question generation, Multi-format content import, Daily check-in feature

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $3.99 | per month |
| 季度会员 | $5.99 | per 3 months |
| 终身会员 | $5.99 | one-time |


## Frequently asked questions

### Is c语言编译器 free?

c语言编译器 is free to download, with in-app purchases available.

### Is 背得快 free?

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

### Do c语言编译器 or 背得快 have ads?

背得快 shows ads; c语言编译器 does not.

### Which is updated more often, c语言编译器 or 背得快?

c语言编译器 ships an update every 3 months, and 背得快 weekly. Most recently, c语言编译器 was updated on November 7, 2026 and 背得快 on November 13, 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.*