# Hourproof vs Mahjong Synthesis

Hourproof and Mahjong Synthesis are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Hourproof | Mahjong Synthesis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 1 MB | 4 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MARTIN ELOY BOLLINI](https://appshunter.io/developer/6809101436) | [MARIA IVANA MARIN GOMEZ](https://appshunter.io/developer/6811697380) |

## What reviewers say

### Hourproof

[App page](https://appshunter.io/ios/app/hourproof-ledger/id6809101434)

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

**In-app purchases:** none


### Mahjong Synthesis

[App page](https://appshunter.io/ios/app/mahjong-synthesis/id6811697378)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hourproof free?

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

### Is Mahjong Synthesis free?

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

### Do Hourproof or Mahjong Synthesis have ads?

Neither Hourproof nor Mahjong Synthesis shows ads.

---

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