# Paraphrase tool vs SourceKeeper

The clearest difference is rating: SourceKeeper at 5.0 against Paraphrase tool's 4.3. SourceKeeper also leads on monetization model (free vs free with in-app purchases) and review sentiment (100% vs 88%). Paraphrase tool's advantage is ratings volume (71 vs 1) and iOS requirement (15.6 vs 26.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Paraphrase tool sells 2 in-app purchases, starting at $4.99 per 7 days and SourceKeeper sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SourceKeeper holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Paraphrase tool has 71 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 88% of Paraphrase tool's written reviews are positive against 100% of SourceKeeper's.

Paraphrase tool ships an update every 2 weeks, SourceKeeper every 9 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Paraphrase tool | SourceKeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (71 ratings)](https://appshunter.io/ios/app/paraphrase-tool-ai-helper/id6447300510/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sourcekeeper/id6762437054/reviews)** |
| Number of ratings | **71** | 1 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 56 MB | 2 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Editr Apps Inc.](https://appshunter.io/developer/1437562435) | [NATHANIEL J MOREHOUSE](https://appshunter.io/developer/1889388056) |

## What reviewers say

### Paraphrase tool

[App page](https://appshunter.io/ios/app/paraphrase-tool-ai-helper/id6447300510)

Transform any text into natural, fluent, and human-sounding writing. This tool offers multiple paraphrasing styles, a readability checker, and AI assistance for essays and professional documents. It supports file uploads and includes history tracking.

**Highlights:** Human-like paraphrasing, Multiple writing modes, AI writing assistant, Readability checker, File and document support, History tracking, Dark mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited AI Rewrite | $4.99 | per 7 days |
| Unlimited AI features | $29.99 | per year |


### SourceKeeper

[App page](https://appshunter.io/ios/app/sourcekeeper/id6762437054)

Effortlessly create properly formatted citations for various source types. Organize your research by project and export bibliographies or footnotes directly to your word processor. Customize the app's appearance with multiple themes and color options.

**Highlights:** Automated source scanning (barcode, photo), Manual source entry, Supports Chicago, MLA, and APA styles, Organize sources by project, Export bibliographies and footnotes, Customizable themes and colors

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProMode | $1.99 | one-time |
| Pro Mode | $1.99 | one-time |


## Frequently asked questions

### Is Paraphrase tool free?

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

### Is SourceKeeper free?

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

### Which has better reviews, Paraphrase tool or SourceKeeper?

SourceKeeper is rated higher. Paraphrase tool averages 4.3 out of 5 from 71 ratings, while SourceKeeper averages 5.0 from 1 ratings.

### Do Paraphrase tool or SourceKeeper have ads?

Neither Paraphrase tool nor SourceKeeper shows ads.

### Which is updated more often, Paraphrase tool or SourceKeeper?

Paraphrase tool ships an update every 2 weeks, and SourceKeeper every 9 days. Most recently, Paraphrase tool was updated on October 16, 2026 and SourceKeeper on October 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.*