Comparison

Shai vs ISUD Zero

Price, ratings, monetisation and update history for both games, side by side โ€” with what reviewers say about each.

Head to head
About

Shai

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Fremen term for the sandworm of Arrakis also known as dune. Brings terror to many who wonders and tries to collect spice from the sand. Eat the spice harvesters and grow to be a legend. Enjoy the relaxing music we have chosen for you. A different perspective to the classical game snake for those who enjoy a little theme of dune. Eat all the spice harvesters to grow. Use the fremen to slow down and pills to shrink down so you can operate more easily. Watch out for the big rocks.

About

ISUD Zero

Features
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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

Shai3 screens
ISUD Zero4 screens

Verdict

The call

The clearest difference is price: Shai at Free against ISUD Zero's $0.99. Shai also leads on iOS requirement (11.0 vs 15.0). ISUD Zero's advantage is device support. On in-app purchases 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Shai is free to download; ISUD Zero costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences ยท 2 level
Shai versus ISUD Zero: the parameters behind the verdict, then further details
ParameterShaiISUD Zero
PriceFree โ€” better$0.99
Adsโ€”No
In-app purchasesNoNo
Devicesโ€”iPhone, iPad, iPod โ€” better
Requires iOS11.0 โ€” better15.0
Further details โ€” not scored
Size27 MB119 MB
Age rating4+12+
DeveloperSafak YalcinkayaSuwitcha Sugthana

In-app purchases

None

Shai

No in-app purchases

None

ISUD Zero

No in-app purchases

Questions

Is Shai free?
Shai is free to download, with no in-app purchases.
Is ISUD Zero free?
ISUD Zero costs $0.99, with no in-app purchases.

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