# 背词解锁 vs 惜时

The clearest difference is iOS requirement: 惜时 at 15.6 against 背词解锁's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 背词解锁 sells 4 in-app purchases, starting at $3.99 per month and 惜时 sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

背词解锁 ships an update every 11 days, 惜时 weekly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 背词解锁 | 惜时 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/id6747621106/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Freemium | — |
| Size | 102 MB | 76 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [嘉润 侯](https://appshunter.io/developer/1789667842) | [星昱 曹](https://appshunter.io/developer/1481431616) |

## What reviewers say

### 背词解锁

[App page](https://appshunter.io/ios/app/id6747621106)

This app uses a unique reward system where answering vocabulary questions earns you time credits to unlock restricted apps. It employs scientific learning methods like the Ebbinghaus forgetting curve and personalized review schedules to help you master words and gain more free time.

**Highlights:** Earn time credits by answering vocabulary questions, Unlock restricted apps with earned time credits, Daily temporary unlock time allowance, Ebbinghaus forgetting curve-based review, Smart scheduling for vocabulary revision, Extensive vocabulary lists for exams

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All access | $3.99 | per month |
| all access | $9.99 | per year |
| alltime_newyear | $17.99 | one-time |
| all access | $19.99 | one-time |


### 惜时

[App page](https://appshunter.io/ios/app/app/id6760806508)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1周 | $0.99 | per 7 days |
| 1个月 | $2.99 | per month |
| 3个月 | $6.99 | per 3 months |


## Frequently asked questions

### Is 背词解锁 free?

背词解锁 is free to download, with in-app purchases available.

### Is 惜时 free?

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

### Do 背词解锁 or 惜时 have ads?

Neither 背词解锁 nor 惜时 shows ads.

### Which is updated more often, 背词解锁 or 惜时?

背词解锁 ships an update every 11 days, and 惜时 weekly. Most recently, 背词解锁 was updated on October 30, 2026 and 惜时 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*