# Diffchecker vs NoteMu

The clearest difference is price: NoteMu at Free against Diffchecker's $2.99. NoteMu also leads on update cadence (every 12 months vs every 77 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NoteMu is free to download; Diffchecker costs $2.99 up front. Diffchecker sells 1 one-off in-app purchase and NoteMu sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Diffchecker ships an update every 77 months, NoteMu every 12 months. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Diffchecker | NoteMu |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/diffchecker/id1446215054/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 77 months | **Every 12 months** |
| Monetization | Paid | — |
| Size | 5 MB | 44 MB |
| Requires iOS | 17.4 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ahmad Rahimi](https://appshunter.io/developer/1235600361) | [Yeun Kae Ngow](https://appshunter.io/developer/1650239962) |

## What reviewers say

### Diffchecker

[App page](https://appshunter.io/ios/app/diffchecker/id1446215054)

Easily find differences between two texts by pasting, typing, or scanning images. This tool automatically highlights discrepancies with synchronized scrolling for a clear comparison.

**Highlights:** Text difference highlighting, Camera OCR for text extraction, Synchronized scrolling, Paste and type input, Instant comparison

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove advertisements | $0.99 | one-time |


### NoteMu

[App page](https://appshunter.io/ios/app/notemu-expense-and-bill-tracker/id6499565840)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteMu 100K Tokens | $0.99 | one-time |
| NoteMu 500K Tokens | $4.99 | one-time |


## Frequently asked questions

### Is Diffchecker free?

Diffchecker costs $2.99, and also offers in-app purchases.

### Is NoteMu free?

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

### Do Diffchecker or NoteMu have ads?

Neither Diffchecker nor NoteMu shows ads.

### Which is updated more often, Diffchecker or NoteMu?

Diffchecker ships an update every 77 months, and NoteMu every 12 months. Most recently, Diffchecker was updated on September 9, 2026 and NoteMu on September 15, 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.*