Ralph the Restless Rhythm Rat vs Categorize!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Ralph the Restless Rhythm Rat
Test your rhythm and reflexes in this engaging game where you follow on-screen commands by touching, tapping, or tilting your device. It supports international multiplayer with a single iPhone, allowing players to select their preferred language.
- Rhythm-based gameplay
- Touch, tap, or tilt controls
- International group play on one device
- Multiple language support
- Adjustable difficulty
- Suitable for all ages
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Ralph, the Restless Rhythm Rat has rhythm in his blood. Do you too? Make the right Moves while keeping the beat, following the commands that Ralph gives you. Touch, tap or tilt him, just don’t make any mistakes! The beat gets faster and faster… A game requiring a sense of rhythm for 1-4 players from 6-99 years. Ralph is the world's first app that can be played in an INTERNATIONAL GROUP with ONE iPhone. How does it work? In the preferences, you select the number of players in the group. And specify the language in which each individual player would like to play. There are currently 6 different languages to choose from. Player 1 starts the game. On the command "Pass on!" (Or German "Weitergeben!", French "Passer!" ...), he passes the device (without shaking it) to player 2. Etc. If a player makes a mistake, he starts the next round. Reviews: Simple but challenging. A creative use of accelerometer, which is it's only limitation, as it doesn't always recognize my gestures, but it's still very fun to play and a good way to keep your mind sharp. (ijudy)
Categorize!
Test your observation skills by finding and grouping similar items. This game challenges you to identify patterns and categorize elements effectively.
- Find similar elements
- Group items
- Pattern recognition
- Observation skills test
- Categorization challenges
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Find similar elements and group them.
Screenshots
Verdict
The clearest difference is review sentiment: Ralph the Restless Rhythm Rat at 86% against Categorize!'s 0%. Categorize!'s advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 3 months). On price, ads, 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. Ralph the Restless Rhythm Rat sells 1 one-off in-app purchase. Categorize! asks for nothing beyond the download.
Ralph the Restless Rhythm Rat ships an update every 3 months, Categorize! weekly. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.
| Parameter | Ralph the Restless Rhythm Rat | Categorize! |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 85.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 | 9.0 |
| Further details — not scored | ||
| Size | 37 MB | 197 MB |
| Age rating | 4+ | 4+ |
| Developer | Christian Ecker | Noor Creative, LLC |
Customer experience
Ralph the Restless Rhythm Rat
Categorize!
In-app purchases
Ralph the Restless Rhythm Rat
- Upgrade to full version$0.99
Categorize!
No in-app purchases
Questions
Is Ralph the Restless Rhythm Rat free?
Is Categorize! free?
Do Ralph the Restless Rhythm Rat or Categorize! have ads?
Which is updated more often, Ralph the Restless Rhythm Rat or Categorize!?
Other comparisons
