Comparison

VoidShift vs ISUD Zero

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

Head to head
About

VoidShift

Engage in intense arcade space combat with one-touch controls. Survive endless enemy waves, unlock new ships and weapons, and compete on leaderboards. Experience multiple game modes including campaign progression and objective-based challenges.

Highlights
  • One-touch drag controls
  • Wave Survival, Sector Run, Void Armada modes
  • Unlockable ships and weapons
  • Boss fights and escalating enemy patterns
  • Campaign-style progression track
  • Game Center leaderboards
Features
Read full description

Survive the void. One thumb. Endless waves. No mercy. VoidShift is a fast neon arcade space shooter built for quick runs, brutal enemy waves, unlockable ships, powerful weapons, boss fights, space maps, and leaderboard chasing. Fly through classic Wave Survival, take on objective-based Sector Run, or push through Void Armada, a campaign-style progression track with replayable levels, rewards, and escalating missions. Dodge asteroids, weave through enemy fire, collect upgrades, trigger ship powers, and push deeper into the void with every run. Earn Galactic Credits as you play, unlock ships and cosmetics through progression, or speed things up with optional credit packs. Version 3.0 brings a full visual refresh with sharper neon sci-fi menus, cleaner store screens, updated ship and weapon previews, custom lightning effects, and four advanced ships with new abilities: Crimson, Frost, Prism, and Vortex. Features: • Fast one-touch drag controls • Classic Wave Survival, Hard Mode, Sector Run, and Void Armada • Campaign-style Armada track with replayable levels and rewards • New advanced ships with unique abilities and combat effects • Space maps, boss waves, mini-boss encounters, hazards, and escalating enemy patterns • Unlockable ships, trails, and custom explosions • Galactic Credits and progression-based unlocks • Powerful weapons including lasers, drones, black hole mines, chain lightning, gravity sling, and more • Custom ship-colored lightning effects • Game Center leaderboards for score and wave progress • Quick arcade runs built for one more try

About

ISUD Zero

Features
Read full description

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

VoidShift4 screens
ISUD Zero4 screens

Verdict

The call

The clearest difference is in-app purchases: ISUD Zero at none against VoidShift's 10. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. VoidShift sells 10 one-off in-app purchases. ISUD Zero asks for nothing beyond the download.

Scorecard1 real difference · 9 level
VoidShift versus ISUD Zero: the parameters behind the verdict, then further details
ParameterVoidShiftISUD Zero
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 10 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size113 MB119 MB
Age rating9+12+
DeveloperTech N Tweaks LLCSuwitcha Sugthana

In-app purchases

10 purchases

VoidShift

One-time10
  • Spark Pack$0.99
  • Void Ship$0.99
  • Ember Ship$0.99
Show 7 more
  • Obsidian Ship$0.99
  • Prism Ship$1.99
  • Crimson Ship$1.99
  • Vortex Ship$1.99
  • Frost Ship$1.99
  • Standard Ship Pack$2.99
  • Advanced Ship Pack$4.99
None

ISUD Zero

No in-app purchases

Questions

Is VoidShift free?
VoidShift is free to download, with in-app purchases available.
Is ISUD Zero free?
ISUD Zero is free to download, with no in-app purchases.
Do VoidShift or ISUD Zero have ads?
Neither VoidShift nor ISUD Zero shows ads.

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