# Diff Checker vs Vays

The clearest difference is in-app purchases: Vays at none against Diff Checker's 2. Vays also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Diff Checker sells 2 in-app purchases, starting at $2.99 per 7 days. Vays asks for nothing beyond the download.

Diff Checker ships an update every 2 months, Vays fortnightly. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Diff Checker | Vays |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 5 MB | 14 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [ARVIND JUNEJA OUMM](https://appshunter.io/developer/1782767786) |

## What reviewers say

### Diff Checker

[App page](https://appshunter.io/ios/app/diff-checker-text-compare/id6772266827)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $14.99 | per year |


### Vays

[App page](https://appshunter.io/ios/app/vays-markdown-reader/id6797046995)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diff Checker free?

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

### Is Vays free?

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

### Do Diff Checker or Vays have ads?

Neither Diff Checker nor Vays shows ads.

### Which is updated more often, Diff Checker or Vays?

Diff Checker ships an update every 2 months, and Vays fortnightly. Most recently, Diff Checker was updated on September 8, 2026 and Vays on September 9, 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.*