# 不背单词 vs Numbertopia

The clearest difference is in-app purchases: Numbertopia at none against 不背单词's 10. 不背单词's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (3.6K vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. 不背单词 sells 10 one-off in-app purchases. Numbertopia asks for nothing beyond the download.

Numbertopia holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 不背单词 has 3.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 94% of 不背单词's written reviews are positive against 100% of Numbertopia's.

不背单词 ships an update every 3 weeks, Numbertopia every 5 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 不背单词 | Numbertopia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.6K ratings)](https://appshunter.io/ios/app/id698570469/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numbertopia/id1536525498/reviews)** |
| Number of ratings | **3.6K** | 1 |
| Positive reviews | 94.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 168 MB | 11 MB |
| Requires iOS | **13.0** | 13.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Beijing Is-Cool Technology Co., Ltd](https://appshunter.io/developer/1089038448) | [Beijing Tabledox Technology Co., Limited](https://appshunter.io/developer/1448361669) |

## What reviewers say

### 不背单词

[App page](https://appshunter.io/ios/app/id698570469)

Learn English vocabulary through authentic movie and TV show examples. Utilize a vast library of phrases, root words, and affixes for effective memorization. Features include exam-focused content, smart review scheduling, and gamified progress tracking.

**Highlights:** 1.5M+ original sound example sentences, 50K+ phrase pairings, 2000+ root words and affixes, Collins English-Chinese dictionary, All-stage vocabulary banks, Exam-focused word meanings and phrases, Ebbinghaus forgetting curve review

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 充值4 | $0.99 | one-time |
| 充值3 | $0.99 | one-time |
| 充值6 | $0.99 | one-time |
| 充值5 | $0.99 | one-time |
| 充值9.9 | $0.99 | one-time |
| 充值62 | $8.99 | one-time |
| 充值116 | $17.99 | one-time |
| 充值248 | $34.99 | one-time |
| 酷币包 31 | $39.99 | one-time |
| 充值298 | $39.99 | one-time |

**What reviewers like**

- 🌟 Comprehensive vocabulary coverage
- 👍 Intuitive and user-friendly interface
- 🎬 Helpful example sentences from movies/TV
- 💡 Effective memorization techniques
- 🎯 Customizable word lists and study plans

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔊 Inconsistent audio volume for word pronunciations
- 🔍 Limited search and filtering options
- 🖼️ Outdated or unappealing visual design
- 🕰️ Repetitive review schedule can feel tedious

**Reported bugs**

- Login issues for users with non-Chinese phone numbers
- Compatibility problems on newer iOS/Android devices
- Unreliable syncing of progress across multiple devices

**Requested features**

- Ability to import/export custom word lists
- Integration with other language learning resources
- More personalized learning algorithms and recommendations
- Enhanced social features for group/team learning
- Expanded support for non-English vocabulary


### Numbertopia

[App page](https://appshunter.io/ios/app/numbertopia/id1536525498)

This educational game challenges players to use arithmetic operations on a set of cards to reach a target number. It features both pre-set levels and randomly generated puzzles, encouraging strategic thinking and advanced math skills.

**Highlights:** Reach target numbers with arithmetic operations, Level-based puzzles with unlockable stages, Randomly generated puzzles, Multiple solutions for puzzles, Star rewards for progress and solutions

**In-app purchases:** none


## Frequently asked questions

### Is 不背单词 free?

不背单词 is free to download, with in-app purchases available.

### Is Numbertopia free?

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

### Which has better reviews, 不背单词 or Numbertopia?

Numbertopia is rated higher. 不背单词 averages 4.8 out of 5 from 3.6K ratings, while Numbertopia averages 5.0 from 1 ratings.

### Do 不背单词 or Numbertopia have ads?

Neither 不背单词 nor Numbertopia shows ads.

### Which is updated more often, 不背单词 or Numbertopia?

不背单词 ships an update every 3 weeks, and Numbertopia every 5 months. Most recently, 不背单词 was updated on November 1, 2026 and Numbertopia 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.*