ISUD Zero vs NOVA STRIKER
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
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
NOVA STRIKER
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A retro '90s-style vertical bullet-hell shooter you can play with one finger โ free, and fully playable offline. Weave through walls of bullets across 3 stages and massive boss battles. Skim past enemy fire to "graze" for score and bomb gauge, and turn the tables with screen-clearing bombs. Clear everything, and a hidden true battle awaits. โ Features - Intuitive controls: drag to move, auto-fire, double-tap to bomb โ one-handed play - Graze system: near-misses are the path to high scores - 3 stages + more: unique midbosses, bosses, and a hidden final boss - Achievements & rankings: 14 achievements and global rankings (with per-language boards) - Difficulty options: EASY / NORMAL / HARD - 17 languages supported, works offline โ How to Play 1. Drag to move (your ship fires automatically) 2. Double-tap to trigger a bomb (clears enemy bullets) 3. Graze enemy bullets for bonus score 4. Watch a short video to revive after game over and push on for the clear Note: This game contains flashing lights. Player discretion is advised for those with photosensitivity. โ Made for players who enjoy - A retro arcade shooter, pixel art, neon lights, and a tense trip through space - A quick game during a break, or a longer high-score and score-attack session at home - Learning to dodge patterns with one hand in portrait mode instead of aiming every shot - Starting on EASY, settling into NORMAL, then taking on the hardcore density of HARD โ A score run with choices NOVA STRIKER is a danmaku-style shmup where reading a pattern matters as much as reflexes. Your ship fires on its own, leaving you free to steer through the gaps. A close dodge earns graze and fills the bomb gauge, so a daring line can be worth more than a safe one. Spend a bomb to clear a crowded screen, or save it for a boss phase: each run is a chance to refine that decision. โ Reasons to return The three stages are built around distinct enemy waves, midbosses, and boss battles, culminating in the hidden final boss. Choose the pace that suits you: EASY introduces the flow, NORMAL rewards consistency, and HARD asks for careful routing through thicker bullet patterns. Chase all 14 achievements, improve your high-score, and compare results on global leaderboards with separate boards by language. โ Play on your terms This is a free single-player action game for portrait smartphones, designed for a few spare minutes or repeated practice. It works offline, so a connection is not required to fly and dodge. A rewarded video is offered only when you choose to revive after game over; there are no forced ads interrupting play. With drag movement, auto-fire, and a double-tap bomb, it stays focused on the arcade rhythm. Price: Free (rewarded ads only โ no forced ads) Supports: Smartphones (portrait)
Screenshots
Verdict
The clearest difference is ads: ISUD Zero at none against NOVA STRIKER's shown. On price, in-app purchases, device support and iOS requirement 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 | ISUD Zero | NOVA STRIKER |
|---|---|---|
| Price | Free | Free |
| Update frequency | โ | Every 3 days |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 119 MB | 46 MB |
| Age rating | 12+ | 9+ |
| Developer | Suwitcha Sugthana | JOIN CIRCLE LIMITED LIABILITY COMPANY |
In-app purchases
ISUD Zero
No in-app purchases
NOVA STRIKER
No in-app purchases









