REVERSI ZERO vs Katam
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
REVERSI ZERO
Experience a classic board game with multiple difficulty levels and intuitive controls. Compete with players worldwide for the highest score in a dedicated marathon mode. Enjoy a challenging and engaging gameplay experience designed for all skill levels.
- Up to level 75
- Good operability
- High score competition
- Adjustable difficulty levels (Lv1-Lv50)
- One-hand operation
- Marathon mode
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▽We have prepared up to level 75 !! ▽Good operability! ▽ Compete for the high score and the whole country of users! 【Features of the app】 ①In accordance with the level of the user is prepared to Lv1 ~ Lv50 ②Anyone with one hand easy operation is possible. ③ In Marathon mode, you can compete with the country of the user.
Katam
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The rules are simple. Clear each mini-game faster than your rival, and a glowing crystal drops onto their side of the scale. The faster you clear it, the heavier the crystal. Tip the rival's scale until it breaks to win! With every round, the balance sways back and forth like a seesaw. ■ 15 mini-games Letter Scramble, Color Recall, Beat Tap, Number Rush, Bullseye, Odd One Out, Mash, Shadow Match, Memory Flash, Find the Pair, Size Sort, Group Match, What's Next, Catch!, Spot the Difference. A random one each round — your strengths and weaknesses all come into play for a heated match. ■ Solo or together - vs CPU: Easy / Normal / Hard (3 levels) - Online: Quick Match, Friends, or Nearby (Game Center) ■ Great for - Anyone looking for a quick pick-up-and-play duel - Having fun with family, friends, or your partner - Sharpening your reflexes and memory Completely free. No in-app purchases, no ads. Japanese & English. * Online matches pair you only with players who have the same language setting.
Screenshots
Verdict
The clearest difference is in-app purchases: Katam at none against REVERSI ZERO's 1. Katam also leads on ads (none vs shown). REVERSI ZERO's advantage is device support (3 vs 1). On price, update cadence 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. REVERSI ZERO sells 1 one-off in-app purchase. Katam asks for nothing beyond the download.
REVERSI ZERO ships an update monthly, Katam every 5 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.
| Parameter | REVERSI ZERO | Katam |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (75 ratings) — better | — |
| Positive reviews | 86.8% of reviews | — |
| Number of ratings | 75 — better | — |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 198 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | RELEASE BASE, K.K. | seiji honda |
In-app purchases
REVERSI ZERO
- プレミアムサービス30日間$3.99
Katam
No in-app purchases
