Tematris vs ISUD Zero
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Tematris
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To those who think tetris is an easy game, enter the world of a 3 dimensional tetris. Tread lightly as this game is not for everyone. If you wish to see the truth enter the tematris. The problem is choice, as always. Challenges you with many shapes and colors and don't forget the layers below as it is hard to see from above. Many buttons are designed to explain the direction you want to turn the object. Fill the layers and feel the satisfaction it brings.
ISUD Zero
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Dodge readable bullet patterns, graze for Phase Pulse, and chase clean weekly scores against the Pattern Engine. Description: I.S.U.D. Zero is a portrait bullet-hell boss rush built around clean reads, a tiny fair hitbox, and fast retry mastery. Enter the simulation chamber, learn each boss pattern, graze close calls to charge Phase Pulse, and chase cleaner clears across The Instructor, Mirror Cadet, Twin Array, and The Cartographer. Every run is short, sharp, and score-driven. Bosses move, mutate, and escalate through multiple phases. The ship only takes damage at the red core, so the chaos stays readable even when the screen blooms with bullets. Features: - Precision drag controls for portrait play - Fair red-core hitbox with optional callout - Graze scoring and Phase Pulse screen clears - Four multi-phase bosses with distinct patterns and visual escalation - Five additional boss slots marked Coming Soon - Difficulty options, persistent best scores, and ranks - Game Center weekly and all-time high score leaderboards - Neon arcade presentation with original audio hooks
Screenshots
Verdict
The clearest difference is ads: ISUD Zero at none against Tematris's shown. Tematris's advantage is iOS requirement (11.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Tematris | ISUD Zero |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 16 months | โ |
| Ads | Yes | No โ better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 54 MB | 119 MB |
| Age rating | 4+ | 12+ |
| Developer | Safak Yalcinkaya | Suwitcha Sugthana |
In-app purchases
Tematris
No in-app purchases
ISUD Zero
No in-app purchases









