# 2357P vs P=NP

The clearest difference is rating: P=NP at 5.0 against 2357P's 3.0. P=NP also leads on iOS requirement (12.0 vs 15.0). 2357P's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. P=NP sells 6 one-off in-app purchases. 2357P asks for nothing beyond the download.

P=NP holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

2357P ships an update every 15 months, P=NP every 28 months. The most recent releases landed on June 1, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | 2357P | P=NP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/2357p/id957233368/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pnp/id1437987800/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 15 months** | Every 28 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 74 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuantong Lu](https://appshunter.io/developer/884739279) | [Ken L'Heritier](https://appshunter.io/developer/1437987799) |

## What reviewers say

### 2357P

[App page](https://appshunter.io/ios/app/2357p/id957233368)

A simple number-based game where players decompose and compose numbers using prime bases 2, 3, 5, and 7. Aim to achieve higher scores and compete on the Game Center leaderboard.

**Highlights:** Number decomposition, Number composition, Prime number bases (2, 3, 5, 7), Score-based gameplay, Game Center leaderboard integration

**Features:** macOS Compatibility

**In-app purchases:** none


### P=NP

[App page](https://appshunter.io/ios/app/pnp/id1437987800)

Connect dots to find the shortest path in a puzzle game where the world wraps around. Use hints to guide your progress or purchase them to extend your gameplay. Unlock new challenges by completing levels.

**Highlights:** Dot-connecting puzzles, Wrapping world mechanic, Hint system, In-app shop for hints, Unlockable random puzzles, Device-adaptive puzzles

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 hints | $0.99 | one-time |
| Remove ads | $1.99 | one-time |
| 50 hints | $3.99 | one-time |
| 120 hints | $8.99 | one-time |
| 250 hints | $16.99 | one-time |
| Unlimited hints | $42.99 | one-time |


## Frequently asked questions

### Is 2357P free?

2357P is free to download, with no in-app purchases.

### Is P=NP free?

P=NP is free to download, with in-app purchases available.

### Which has better reviews, 2357P or P=NP?

P=NP is rated higher. 2357P averages 3.0 out of 5 from 2 ratings, while P=NP averages 5.0 from 3 ratings.

### Do 2357P or P=NP have ads?

P=NP shows ads; 2357P does not.

### Which is updated more often, 2357P or P=NP?

2357P ships an update every 15 months, and P=NP every 28 months. Most recently, 2357P was updated on June 1, 2026 and P=NP on June 2, 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.*