# WhatDiff vs Sauce Finder

The clearest difference is ads: WhatDiff at none against Sauce Finder's shown. Sauce Finder's advantage is update cadence (every 3 days vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. WhatDiff sells 3 in-app purchases, starting at $2.99 per month and Sauce Finder sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

WhatDiff ships an update every 5 months, Sauce Finder every 3 days. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | WhatDiff | Sauce Finder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 days** |
| Size | 2 MB | 23 MB |
| Requires iOS | 16.4 | **16.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [栋 陈](https://appshunter.io/developer/560090281) | [Huy Trinh Duc](https://appshunter.io/developer/1528984506) |

## What reviewers say

### 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 |


### Sauce Finder

[App page](https://appshunter.io/ios/app/sauce-finder/id6766261912)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sauce Finder Premium Monthly | $1.99 | per month |
| Sauce Finder Premium Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is WhatDiff free?

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

### Is Sauce Finder free?

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

### Do WhatDiff or Sauce Finder have ads?

Sauce Finder shows ads; WhatDiff does not.

### Which is updated more often, WhatDiff or Sauce Finder?

WhatDiff ships an update every 5 months, and Sauce Finder every 3 days. Most recently, WhatDiff was updated on September 8, 2026 and Sauce Finder on September 22, 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.*