# ZappID vs Rewritify

The clearest difference is in-app purchases: ZappID at none against Rewritify's 4. ZappID also leads on update cadence (every 4 days vs every 11 days) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Rewritify sells 4 in-app purchases, starting at $4.99 per 7 days. ZappID asks for nothing beyond the download.

ZappID ships an update every 4 days, Rewritify every 11 days. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ZappID | Rewritify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/rewritify-rephrased-text-tool/id6747351680/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 11 days |
| Monetization | — | Freemium |
| Size | 11 MB | 19 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fredrik Petersson](https://appshunter.io/developer/555276018) | [Karan Verma](https://appshunter.io/developer/1820965946) |

## What reviewers say

### ZappID

[App page](https://appshunter.io/ios/app/zappid/id1455029820)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rewritify

[App page](https://appshunter.io/ios/app/rewritify-rephrased-text-tool/id6747351680)

This AI-powered writing assistant helps users rewrite text, humanize AI-generated content, and check grammar. It also offers tools for summarizing articles and generating optimized bios for social media and dating profiles.

**Highlights:** Rewrite and rephrase text instantly, Humanize AI-generated content, AI grammar and spelling correction, Summarize long articles and documents, Generate optimized social media bios, Paraphrase documents, PDFs, and images

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $4.99 | per 7 days |
| All Access | $4.99 | per 7 days |
| All Access | $29.99 | per year |
| All Access | $29.99 | per year |


## Frequently asked questions

### Is ZappID free?

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

### Is Rewritify free?

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

### Do ZappID or Rewritify have ads?

Neither ZappID nor Rewritify shows ads.

### Which is updated more often, ZappID or Rewritify?

ZappID ships an update every 4 days, and Rewritify every 11 days. Most recently, ZappID was updated on September 15, 2026 and Rewritify on September 14, 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.*