# Prompt+ vs Diff Checker

The clearest difference is in-app purchases: Prompt+ at none against Diff Checker's 2. Prompt+ also leads on update cadence (every 2 weeks vs every 2 months). Diff Checker's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

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

Prompt+ ships an update every 2 weeks, Diff Checker every 2 months. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Prompt+ | Diff Checker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 13 MB | 5 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lomanov Alexsandr](https://appshunter.io/developer/1569896185) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Prompt+

[App page](https://appshunter.io/ios/app/prompt-plus/id6747319504)

This app helps users craft effective prompts for AI models. It offers an intuitive designer for quick creation, a catalog for saving and organizing prompts, and one-click export options. Optimize your AI interactions with this tool.

**Highlights:** Intuitive prompt designer, Prompt catalog for saving and sorting, Optimization for various neural networks, One-click prompt export, Simplified AI communication

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Prompt+ free?

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

### Is Diff Checker free?

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

### Do Prompt+ or Diff Checker have ads?

Neither Prompt+ nor Diff Checker shows ads.

### Which is updated more often, Prompt+ or Diff Checker?

Prompt+ ships an update every 2 weeks, and Diff Checker every 2 months. Most recently, Prompt+ was updated on October 11, 2026 and Diff Checker on September 29, 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.*