# 2357P vs Billion

The clearest difference is rating: Billion at 5.0 against 2357P's 3.0. Billion also leads on iOS requirement (14.0 vs 17.0). 2357P's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Billion holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | 2357P | Billion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/2357p/id957233368/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/billion-block-chain-puzzle/id6443875271/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | — |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 14 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuantong Lu](https://appshunter.io/developer/884739279) | [Absolutist Ltd](https://appshunter.io/developer/354691168) |

## 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

**In-app purchases:** none


### Billion

[App page](https://appshunter.io/ios/app/billion-block-chain-puzzle/id6443875271)

A smart puzzle game that challenges your logic and strategy with unique number-matching mechanics. Test your IQ, aim for high scores, and progress through gradually challenging levels. It's a casual game with a hardcore challenge, suitable for all ages.

**Highlights:** Smart puzzle game mechanics, Unique game scoring system, Casual logic and strategy gameplay, Match pairs or neighboring numbers, Gradually challenging level goals, Brain game for mind health, Hint feature available

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 2357P free?

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

### Is Billion free?

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

### Which has better reviews, 2357P or Billion?

Billion is rated higher. 2357P averages 3.0 out of 5 from 2 ratings, while Billion averages 5.0 from 1 ratings.

### Do 2357P or Billion have ads?

Billion shows ads; 2357P does not.

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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.*