# Mersenne Primes vs ShweNarSin

The clearest difference is review sentiment: Mersenne Primes at 100% against ShweNarSin's 50%. Mersenne Primes also leads on rating (5.0 vs 4.0) and update cadence (weekly vs every 3 months). ShweNarSin's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Mersenne Primes sells 1 one-off in-app purchase and ShweNarSin sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Mersenne Primes holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: ShweNarSin has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Mersenne Primes's written reviews are positive against 50% of ShweNarSin's.

Mersenne Primes ships an update weekly, ShweNarSin every 3 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Mersenne Primes | ShweNarSin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mersenne-primes/id1362004527/reviews)** | [4.0 (6 ratings)](https://appshunter.io/ios/app/shwenarsin/id1598048663/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 60 MB | 54 MB |
| Requires iOS | **9.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [华 魏](https://appshunter.io/developer/454719266) | [Wun Zinn](https://appshunter.io/developer/923072973) |

## 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 |


### ShweNarSin

[App page](https://appshunter.io/ios/app/shwenarsin/id1598048663)

Access a vast library of over 3,000 copyrighted audiobooks and podcasts across various genres. Enjoy high-quality recordings, offline listening, and stream content on multiple devices. Discover bestsellers and free titles for an immersive audio experience.

**Highlights:** Over 3,000 audiobooks and podcasts, High-quality narration, Offline listening, Cross-device streaming, Free audiobook options, Sound effects

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shwe Nar Sin Premium | $0.99 | per month |


## Frequently asked questions

### Is Mersenne Primes free?

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

### Is ShweNarSin free?

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

### Which has better reviews, Mersenne Primes or ShweNarSin?

Mersenne Primes is rated higher. Mersenne Primes averages 5.0 out of 5 from 1 ratings, while ShweNarSin averages 4.0 from 6 ratings.

### Do Mersenne Primes or ShweNarSin have ads?

Neither Mersenne Primes nor ShweNarSin shows ads.

### Which is updated more often, Mersenne Primes or ShweNarSin?

Mersenne Primes ships an update weekly, and ShweNarSin every 3 months. Most recently, Mersenne Primes was updated on November 2, 2026 and ShweNarSin on November 7, 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.*