# Diff Checker vs FileDuel

The clearest difference is update cadence: Diff Checker at fortnightly against FileDuel's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Diff Checker sells 2 in-app purchases, starting at $7.99 per month and FileDuel sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Diff Checker ships an update fortnightly, FileDuel every 2 months. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Diff Checker | FileDuel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 79 MB | 64 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edusoft Limited](https://appshunter.io/developer/1836364875) | [ValueSpring LLC](https://appshunter.io/developer/1895893729) |

## What reviewers say

### Diff Checker

[App page](https://appshunter.io/ios/app/diff-checker-compare-text/id6753902567)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription Monthly | $7.99 | per month |
| Premium Subscription Yearly | $49.99 | per year |


### FileDuel

[App page](https://appshunter.io/ios/app/fileduel/id6766763429)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FileDuel Pro Monthly | $2.99 | per month |
| Fileduel pro yearly | $24.99 | per year |


## Frequently asked questions

### Is Diff Checker free?

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

### Is FileDuel free?

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

### Do Diff Checker or FileDuel have ads?

Neither Diff Checker nor FileDuel shows ads.

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

Diff Checker ships an update fortnightly, and FileDuel every 2 months. Most recently, Diff Checker was updated on September 30, 2026 and FileDuel on October 7, 2026.

---

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