RO! Viking Raid vs Book Sort
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
RO! Viking Raid
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RO! Viking Raid is a fast, one-button rhythm game. Norway's fans are rowing across the Atlantic to reach the grand final — and you set the pace! Tap RO! when the sweeping line hits the gold band. Land it dead center on the red for a PERFECT — more points and bigger combos. Miss and you lose a shield; lose all five and the crew is exhausted. HOW TO PLAY • One button. Tap on the beat and keep the rhythm. • Hit the gold zone for points, the red center for PERFECT. • Chain hits to build huge combos and faster clears. • Cross all five zones — from the fjord to the coast. FEATURES • Easy to learn, hard to master — pure timing and rhythm. • Six stages, each with its own scene and music. • Real-time WORLD SCOREBOARD — climb the rankings by total score, combo and country. • Choose your player name and country, and fly your flag. • Play offline — the full game works with no connection; the scoreboard syncs when you're online. • No ads. No purchases. No login. Free to play. Grab an oar, keep the beat, and row your way to glory. Ro! Ro! Ro!
Book Sort
Organize colorful books on a shelf by sorting them into their correct color groups. Strategically plan your moves to uncover hidden books and complete each level within a limited number of turns. Utilize helpful boosters like Undo and Joker to overcome challenges.
- Color-based book sorting
- Hidden books and strategic moves
- Limited moves per level
- Crown book starting mechanic
- Undo and Joker boosters
- Increasingly challenging levels
- Relaxing puzzle gameplay
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Book Sort: Shelf Puzzle A messy shelf. Colorful books. And a limited number of moves. Sort the books by color and place them on the shelf. Only the top book in each column is visible, so you need to carefully plan your moves to uncover the hidden books underneath. Start each sequence with the crown book and continue until every book is in its place. Use the boosters when you need them: Undo lets you go back to a previous move, while Joker is a wild card that can be placed anywhere and can be followed by any color. Features: Color-based book sorting Hidden books and strategic moves Limited number of moves in each level Crown books to start each sequence Undo and Joker boosters Increasingly challenging levels Relaxing puzzle gameplay Plan every move, use your boosters wisely, and sort all the books before you run out of moves in Book Sort: Shelf Puzzle. Privacy: https://igorchetr.us/privacy/ Terms: https://igorchetr.us/terms/
Screenshots
Verdict
The clearest difference is in-app purchases: RO! Viking Raid at none against Book Sort's 1. RO! Viking Raid also leads on ads (none vs shown). On price, device support and iOS requirement 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. Book Sort sells 1 one-off in-app purchase. RO! Viking Raid asks for nothing beyond the download.
| Parameter | RO! Viking Raid | Book Sort |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (10 ratings) — better |
| Number of ratings | — | 10 — better |
| Update frequency | Every 3 days | — |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 9 MB | 178 MB |
| Age rating | 9+ | 4+ |
| Developer | NORIENT INNOVATION AND DEVELOPMENT AS | Igor Chetrus |
In-app purchases
RO! Viking Raid
No in-app purchases
Book Sort
- Remove ads$9.99









