Paraphrase tool vs SourceKeeper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Paraphrase tool
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.
- Human-like paraphrasing
- Multiple writing modes
- AI writing assistant
- Readability checker
- File and document support
- History tracking
- Dark mode
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Paraphrase Tool: AI Helper Make your writing sound natural, fluent, and human. Transform any text—AI-generated, academic, or professional—into polished, easy-to-read writing. Whether you’re rewording essays, improving readability, or rewriting sentences for clarity, Paraphrase Tool helps you express ideas in your own style. +++++++++++++++ Key Features +++++++++++++++ Human-like Paraphrasing: Instantly rewrite text to sound more natural and authentic. Multiple Modes: Choose from Standard, Fluency, Academic, Creative, or Shorten styles. AI Writing Assistant: Improve essays, assignments, and professional letters effortlessly. Readability Checker: Measure and enhance readability with 10+ readability indexes (Flesch-Kincaid, Gunning Fog, SMOG, and more). File & Document Support: Upload files or scan documents directly for rewriting. History Tracking: Keep all your rewritten and analyzed files saved for future use. Dark Mode: Write comfortably day or night. +++++++++++++++ Perfect For +++++++++++++++ Students rewriting essays or assignments Professionals refining business or academic writing Bloggers and content creators making AI text sound more human Anyone improving their writing clarity and tone +++++++++++++++ Why You’ll Love It +++++++++++++++ Paraphrase Tool helps you go beyond grammar correction — it turns your text into engaging, natural writing that feels truly human. Note: AI features are available on limited basis before subscription. Terms of Service: https://editr.app/tos.html Privacy Policy : https://editr.app/privacy-policy.html
SourceKeeper
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.
- 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
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SourceKeeper is the research companion built for students, academics, and anyone who needs properly formatted citations without the headache. Scan a book's barcode and SourceKeeper looks up the title, authors, publisher, and publication details automatically. Photograph a journal article page and it reads the metadata for you. Or skip the scanning entirely and enter sources by hand — whatever fits your workflow. Cite every source type Books, journal articles, book chapters, websites, and newspaper or magazine articles — all formatted correctly in Chicago 17th edition, MLA 9th edition, or APA 7th edition. Stay organized by project Create a project for each paper, chapter, or course. Your sources stay grouped, your bibliography stays clean. Export in one tap Generate a formatted bibliography or footnote list for any project, or a master bibliography across all your projects. Export as RTF and open directly in Word, Pages, or Google Docs — italics and formatting intact. Built for real research Citations follow current style guide rules for author formatting, title case, volume and issue numbers, DOIs, edited volumes, and more. Footnote and bibliography formats are both generated for every source. Make it yours Four built-in themes — Academia, Midnight, Botanical, and Slate — plus full color pickers for accent, background, and card colors. Adjust button shape from square to fully rounded.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Paraphrase tool | SourceKeeper |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (71 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 87.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 71 — better | 1 |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 56 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Editr Apps Inc. | NATHANIEL J MOREHOUSE |
Customer experience
Paraphrase tool
SourceKeeper
In-app purchases
Paraphrase tool
- Unlimited AI Rewrite7 Days trial$4.997 Days
- Unlimited AI features7 Days trial$29.991 Year
SourceKeeper
- ProMode$1.99
- Pro Mode$1.99









