# Mersenne Primes vs 少年环球视野

The clearest difference is rating: Mersenne Primes at 5.0 against 少年环球视野's 4.0. Mersenne Primes also leads on ads (none vs shown) and review sentiment (100% vs 83%). 少年环球视野's advantage is in-app purchases (none vs 1) and ratings volume (4 vs 1). On price, update cadence and device support there is nothing between them.

Both are free to download. Mersenne Primes sells 1 one-off in-app purchase. 少年环球视野 asks for nothing beyond the download.

Mersenne Primes holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 100% of Mersenne Primes's written reviews are positive against 83% of 少年环球视野's.

Mersenne Primes ships an update weekly, 少年环球视野 every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mersenne Primes | 少年环球视野 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mersenne-primes/id1362004527/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/id6767075757/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | **100.0% of reviews** | 82.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 60 MB | 134 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [华 魏](https://appshunter.io/developer/454719266) | [郑州星读科技有限公司](https://appshunter.io/developer/1874566046) |

## What reviewers say

### Mersenne Primes

[App page](https://appshunter.io/ios/app/mersenne-primes/id1362004527)

Explore and view the digits of all known Mersenne prime numbers. Witness the generation process for extremely large primes, page by page, and locate specific digits by their sequence number.

**Highlights:** View all digits of known Mersenne Primes, Witness prime number generation process, Page-by-page digit exploration, Locate specific digits by sequence number, Generates primes using mobile CPU

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Support | $0.99 | one-time |


### 少年环球视野

[App page](https://appshunter.io/ios/app/id6767075757)

This platform offers global literacy and current affairs learning for students, covering world geography, history, science, and international news. It provides engaging content through animated videos and courses, alongside updated articles for writing and reading practice. Features include text-to-speech, voice recording, and vocabulary tools to enhance learning.

**Highlights:** Global literacy and current affairs content, Animated videos and engaging courses, Updated original articles for practice, Text-to-speech and voice recording, Vocabulary lookup and wordbook, Integrated learning and practice loop

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

**In-app purchases:** none


## Frequently asked questions

### Is Mersenne Primes free?

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

### Is 少年环球视野 free?

少年环球视野 is free to download, with no in-app purchases.

### Which has better reviews, Mersenne Primes or 少年环球视野?

Mersenne Primes is rated higher. Mersenne Primes averages 5.0 out of 5 from 1 ratings, while 少年环球视野 averages 4.0 from 4 ratings.

### Do Mersenne Primes or 少年环球视野 have ads?

少年环球视野 shows ads; Mersenne Primes does not.

### Which is updated more often, Mersenne Primes or 少年环球视野?

Mersenne Primes ships an update weekly, and 少年环球视野 every 4 days. Most recently, Mersenne Primes was updated on November 2, 2026 and 少年环球视野 on October 31, 2026.

---

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