LibraryThing vs Where's the Unicorn?
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LibraryThing
Catalog your personal book, DVD, and CD collections. Easily add items by searching or scanning barcodes. Enhance your catalog with high-resolution cover photos and browse your collection visually.
- Catalog books, DVDs, and CDs
- Search for media items
- Scan ISBN barcodes
- Add high-resolution cover photos
- Browse collection by cover type
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The LibraryThing app allows LibraryThing members to catalog and browse their collections. LibraryThing is focused on books, but you can add most media, including books, DVDs and CDs. LibraryThing relies on data from Amazon, and over 65 million library records. Add books by searching for them or scanning their ISBN barcode with the camera. Add high-resolution cover photos of your books with the cover editor and browse your books by cover type to find copies that need better covers.
Where's the Unicorn?
Embark on a magical journey to find seven elusive unicorns hidden within 20 intricately illustrated scenes. This search and find game challenges your observation skills with additional 'star find' items to locate after spotting all unicorns. Enjoy a relaxing soundtrack while you explore vibrant global adventures.
- 20 illustrated search scenes
- Find 7 unicorns per scene
- Spot 'star find' hidden items
- Globetrotting unicorn adventures
- Relaxing classical and original soundtrack
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Can you find the seven unicorns hiding in every scene? Explore 24 colourful locations, from sightseeing and the ice rink to dinosaurs, white-water rafting and a magical unicorn world. Pinch to zoom, search the detailed illustrations and find ten bonus objects in each location. Start with four free locations. A single in-app purchase unlocks the other 20, and existing purchases can be restored. Pick up where you left off with Continue, including your zoom and position. If you need a little help, turn on hints in Options. A clue becomes available after a minute of searching without a find, giving you time to enjoy the puzzle. Results keep records with hints and without hints separately. Choose Full, Gentle or Off for decorative effects, with separate music, sound-effect and haptic controls. The app respects your device's Reduce Motion setting. Enjoy a relaxing soundtrack featuring music by Debussy, Chopin, Mozart and Liszt, alongside original compositions. Based on the best-selling 'Where's the Unicorn?' and 'Where's the Unicorn Now?', by Michael O'Mara Books.
Screenshots
Verdict
The clearest difference is rating: Where's the Unicorn? at 4.7 against LibraryThing's 3.5. Where's the Unicorn? also leads on review sentiment (71% vs 47%) and ratings volume (1.5K vs 288). LibraryThing's advantage is in-app purchases (none vs 1) and update cadence (every 4 weeks vs every 8 months). On price, ads and device support 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. Where's the Unicorn? sells 1 one-off in-app purchase. LibraryThing asks for nothing beyond the download.
Where's the Unicorn? holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Where's the Unicorn? has 1.5K ratings behind it against 288, so its average is the more settled of the two. Written reviews point the same way: 47% of LibraryThing's written reviews are positive against 71% of Where's the Unicorn?'s.
LibraryThing ships an update every 4 weeks, Where's the Unicorn? every 8 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.
| Parameter | LibraryThing | Where's the Unicorn? |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (288 ratings) | 4.7 (1.5K ratings) — better |
| Positive reviews | 47.5% of reviews | 71.4% of reviews — better |
| Number of ratings | 288 | 1.5K — better |
| Update frequency | Every 4 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 179 MB |
| Age rating | 4+ | 9+ |
| Developer | LibraryThing.com | Michael O'Mara Books Ltd. |
Customer experience
LibraryThing
Where's the Unicorn?
User reviews
LibraryThing
From 288 App Store ratingsWhat we love
- 🚀 Quick barcode scanning
- 👍 Useful for cataloging library
- 🚀 Fast book addition
Room to improve
- 🐛 Glitches and crashes
- 🔍 Limited search and editing capabilities
- 🤖 Outdated and dated UI
Where's the Unicorn?
From 1.5K App Store ratingsWhat we love
- 👍 Beautiful and detailed graphics
- 🤩 Fun and relaxing gameplay
- 🎨 Excellent artistic style
- 🎉 No ads
- 🧠 Helps improve reading speed
Room to improve
- 💰 Paid levels after initial free levels
- 🔒 Payment issues with unlocked levels
- 🕰️ Not enough levels
- 🐛 Occasional bugs and glitches
- 🌐 Needs language options
Bugs and requests
LibraryThing
Reported bugs
3 issues- Barcode scanner not working
- Books disappearing from catalog
- Editing and saving issues
Requested features
4 requests- Ability to create custom collections
- Offline access to library
- Integration with other book apps
- Lending/loan tracking feature
Where's the Unicorn?
Reported bugs
3 issues- Paid levels getting locked again after reloading the app
- Typos and text issues
- Music issues (multiple songs playing at once)
Requested features
4 requests- More levels
- Option to unlock levels through ads
- Ability to turn off music
- Faster loading times
In-app purchases
LibraryThing
No in-app purchases
Where's the Unicorn?
- Unicorn Scenes Unlock$2.99
Questions
Is LibraryThing free?
Is Where's the Unicorn? free?
Which has better reviews, LibraryThing or Where's the Unicorn??
Do LibraryThing or Where's the Unicorn? have ads?
Which is updated more often, LibraryThing or Where's the Unicorn??
Other comparisons
