ReviewBook vs X
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReviewBook
Securely record and revisit your personal experiences, from drinks and books to concerts and movies. Never forget how you felt about past events to better navigate future ones. This journal helps you recall the good, the bad, and everything in between.
- Securely catalog personal experiences
- Record feelings about events
- Recall past experiences
- Track drinks, books, movies, concerts
- Personalized memory journal
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ReviewBook provides users the ability to securely catalog their personal experiences in life, no matter how big or small they might be. Never forget how you felt about a drink, book, concert, movie, or whatever else you desire to look back on. We hope that through our app, users will never forget the good, the bad, and everything in between so they know how to navigate the next time the experience presents itself.
X
This AI-powered note-taking app helps students organize and access study materials across devices. It converts handwriting, speech, and images to text, and allows for lecture recording. Notes are kept private and secure within the Apple ecosystem.
- Handwriting to Text conversion
- Speech to Text for lectures
- Image to Text (OCR)
- Voice notes for lectures
- iPad & Mac sync via iCloud
- Private and secure note-taking
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X-Notes: The Ultimate Study Companion for iPad & Mac Take your studies to the next level with X-Notes—your AI-powered note-taking app designed for students! Whether you're in class, reviewing lectures, or preparing for exams, X-Notes helps you organize and access your notes effortlessly across iPad and MacBook. Why Students Love X-Notes? Handwriting to Text – Convert handwritten notes into digital text instantly. Speech to Text (NEW!) – Turn lectures and voice notes into text automatically. Image to Text (OCR) – Extract text from books, handouts, and whiteboards. Voice Notes for Lectures – Record classes and review them later. Seamless iPad & Mac Sync – Access all notes anytime with iCloud. Private & Secure – No accounts, no tracking—just your notes in your Apple ecosystem. Perfect for: Students taking class notes. Researchers and learners organizing study materials. Anyone who wants AI-powered note-taking with handwriting, voice, and image conversion. Download X-Notes today and simplify your student life!
Screenshots
Verdict
The clearest difference is in-app purchases: X at none against ReviewBook's 1. ReviewBook's advantage is update cadence (every 2 days vs monthly) and ratings volume (7 vs 2). On price, rating, review sentiment and ads 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. ReviewBook sells 1 one-off in-app purchase. X asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for ReviewBook against 5.0 for X. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
ReviewBook ships an update every 2 days, X monthly. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.
| Parameter | ReviewBook | X |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 7 — better | 2 |
| Update frequency | Every 2 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.4 — better | 15.6 |
| Further details — not scored | ||
| Size | 5 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Austin Marino | VanAnh Nguyen |
Customer experience
ReviewBook
X
In-app purchases
ReviewBook
- Premium$0.99
X
No in-app purchases
