# Phoenix CSP vs Rewrite Pro

The clearest difference is price: Phoenix CSP at Free against Rewrite Pro's $0.99. Phoenix CSP also leads on in-app purchases (none vs 4) and iOS requirement (14.0 vs 16.6). Rewrite Pro's advantage is update cadence (fortnightly vs every 16 months). On ads and device support there is nothing between them.

Phoenix CSP is free to download; Rewrite Pro costs $0.99 up front. Rewrite Pro sells 4 one-off in-app purchases. Phoenix CSP asks for nothing beyond the download.

Phoenix CSP ships an update every 16 months, Rewrite Pro fortnightly. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Phoenix CSP | Rewrite Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Fortnightly** |
| Monetization | — | Paid |
| Size | 36 MB | 23 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prophoenix Corporation](https://appshunter.io/developer/863085840) | [FOUTURE](https://appshunter.io/developer/1497510909) |

## What reviewers say

### Phoenix CSP

[App page](https://appshunter.io/ios/app/phoenix-csp/id1582169061)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rewrite Pro

[App page](https://appshunter.io/ios/app/rewrite-pro-ai-text-editor/id6633441176)

Enhance your writing with AI-powered tools. Create, edit, and optimize text for clarity, tone, and length. Offers features like summarization, translation, and idea generation.

**Highlights:** AI-powered text creation and editing, Inline editing with preview, Text summarization and expansion, Tone adjustment and proofreading, Translation to multiple languages, Idea generation for topics

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Core – Starter Pack | $0.49 | one-time |
| Giga – Advanced Pack | $2.79 | one-time |
| Cyber – Expert Pack | $3.99 | one-time |
| Unlock API Key | $8.99 | one-time |


## Frequently asked questions

### Is Phoenix CSP free?

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

### Is Rewrite Pro free?

Rewrite Pro costs $0.99, and also offers in-app purchases.

### Do Phoenix CSP or Rewrite Pro have ads?

Neither Phoenix CSP nor Rewrite Pro shows ads.

### Which is updated more often, Phoenix CSP or Rewrite Pro?

Phoenix CSP ships an update every 16 months, and Rewrite Pro fortnightly. Most recently, Phoenix CSP was updated on October 16, 2026 and Rewrite Pro on October 24, 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.*