Invaders(Simple) vs RETRO
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Invaders(Simple)
A classic retro shooter game inspired by Space Invaders. Experience simple, nostalgic gameplay with a focus on pure shooting action. Perfect for quick gaming sessions.
- Retro shooter gameplay
- Classic arcade style
- Simple controls
- Nostalgic experience
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This is a space invaders like retro shooter game. very simple and classic. please play.
RETRO
Pilot a spacecraft in this retro-inspired arcade shooter. Blast through waves of alien invaders and face off against powerful bosses across eight challenging levels. Compete for the highest score and enjoy a modern take on classic mobile gaming.
- 8 levels
- 8 bosses
- Diverse enemies
- Modern graphics
- Classic gameplay
- Score comparison
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In this space shooter game your goal is to destroy all the invaders and get the best score. Inspired by a famous game, Retro Space has 8 levels and 8 bosses for you to destroy. With a more colorful and modern look, you will remember what it was like to play on an old cell phone. You can compare your best score with other people. Features: - 8 levels - 8 bosses - Different enemies - Awesome effects - Great graphics - Great sounds
Screenshots
Verdict
The clearest difference is in-app purchases: Invaders(Simple) at none against RETRO's 1. Invaders(Simple) also leads on ads (none vs shown) and review sentiment (63% vs 35%). RETRO's advantage is ratings volume (15 vs 1). On price, rating, update cadence and device support 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
Both are free to download. RETRO sells 1 one-off in-app purchase. Invaders(Simple) asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Invaders(Simple) against 4.9 for RETRO. That said, the two scores are not equally well evidenced: RETRO has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 63% of Invaders(Simple)'s written reviews are positive against 35% of RETRO's.
Invaders(Simple) ships an update every 20 months, RETRO every 11 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.
| Parameter | Invaders(Simple) | RETRO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.9 (15 ratings) |
| Positive reviews | 62.5% of reviews — better | 35.1% of reviews |
| Number of ratings | 1 | 15 — better |
| Update frequency | Every 20 months | Every 11 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 5 MB | 107 MB |
| Age rating | 4+ | 9+ |
| Developer | Masanao Baba | Apps Bergman Ltda |
Customer experience
Invaders(Simple)
RETRO
In-app purchases
Invaders(Simple)
No in-app purchases
RETRO
- Remove all ads$2.99
Questions
Is Invaders(Simple) free?
Is RETRO free?
Which has better reviews, Invaders(Simple) or RETRO?
Do Invaders(Simple) or RETRO have ads?
Which is updated more often, Invaders(Simple) or RETRO?
Other comparisons
