IMOMU vs Invaders Retro
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
IMOMU
Experience a retro electronic game with challenging gameplay and unlockable characters. Recreate a nostalgic atmosphere with authentic visual elements and enjoy a unique play experience.
- Difficult Mode B
- Unlockable characters with unique rules
- Nostalgic atmosphere recreation
- Deteriorating reflectors and polarizers
- Authentic retro gameplay
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- Difficult Mode B There is also a difficult mode, Game B, in which the grass burns from side to side. - Elements of gameplay As you play through the game, you will unlock new characters that you can use. The rules are a little different for each character. - Recreating a nostalgic atmosphere The instructions that come with the electronic game reproduce the atmosphere of the time. In addition, you can play with deteriorating reflectors and polarizers. I hope you enjoy the nostalgic sense of play!
Invaders Retro
Defend Earth from relentless alien waves in this retro-inspired shooter. Discover hidden scoring mechanics as you battle through increasingly challenging levels to save the planet.
- Alien invasion gameplay
- Wave-based challenges
- Hidden scoring system
- Retro graphics
- Planet defense
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Climb the ranks and save the planet from the alien invasion. Waves and waves of aliens, when will it end ? Find hidden scoring as you play.
Screenshots
Verdict
The clearest difference is update cadence: Invaders Retro at weekly against IMOMU's every 12 months. Invaders Retro also leads on device support (4 vs 2). IMOMU's advantage is iOS requirement (11.0 vs 14.2). On price, review sentiment, ads and in-app purchases 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
IMOMU costs $0.99 and Invaders Retro $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
IMOMU ships an update every 12 months, Invaders Retro weekly. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | IMOMU | Invaders Retro |
|---|---|---|
| Price | $0.99 | $0.99 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Every 12 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 11.0 — better | 14.2 |
| Further details — not scored | ||
| Size | 46 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideki Kubo | Justin Ngan |
Customer experience
IMOMU
Invaders Retro
In-app purchases
IMOMU
No in-app purchases
Invaders Retro
No in-app purchases
