# hashmaster vs WhatDiff

The clearest difference is in-app purchases: hashmaster at none against WhatDiff's 3. hashmaster also leads on iOS requirement (12.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WhatDiff sells 3 in-app purchases, starting at $2.99 per month. hashmaster asks for nothing beyond the download.

hashmaster ships an update every 6 months, WhatDiff every 5 months. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | hashmaster | WhatDiff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hashmaster/id6447977369/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 37 MB | 2 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [涧武 韩](https://appshunter.io/developer/1490355941) | [栋 陈](https://appshunter.io/developer/560090281) |

## What reviewers say

### hashmaster

[App page](https://appshunter.io/ios/app/hashmaster/id6447977369)

This utility app provides a comprehensive tool for generating various hash algorithms. It supports a wide range of cryptographic hash functions, making it useful for developers and security professionals.

**Highlights:** Generates MD2, MD4, MD5 hashes, Supports SHA-1 and SHA-2 family, Includes SHA-3 variants, Supports KECCAK and RIPEMD algorithms, Includes SM3 and WHIRLPOOL

**Features:** macOS Compatibility

**In-app purchases:** none


### WhatDiff

[App page](https://appshunter.io/ios/app/whatdiff/id6762343310)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhatDiff Month Subscription | $2.99 | per month |
| WhatDiff Annual Subscription | $12.99 | per year |
| WhatDiff Lifetime License | $24.99 | one-time |


## Frequently asked questions

### Is hashmaster free?

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

### Is WhatDiff free?

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

### Do hashmaster or WhatDiff have ads?

Neither hashmaster nor WhatDiff shows ads.

### Which is updated more often, hashmaster or WhatDiff?

hashmaster ships an update every 6 months, and WhatDiff every 5 months. Most recently, hashmaster was updated on September 19, 2026 and WhatDiff on September 8, 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.*