Turnion vs Invaders Retro
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Turnion
Experience a fresh take on falling block puzzles with unique gesture controls. Draw circles to rotate blocks and swipe to maneuver them, clearing lines by matching four or more. Enjoy intuitive gameplay designed for quick, engaging sessions.
- Gesture-based controls
- Circle rotation mechanic
- Swipe to move blocks
- Match 4+ for clearance
- Intuitive gameplay
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A new twist on the falling block puzzle game with innovative gesture based controls. Draw circles to rotate and swipe to move right, left, or down. Match 4+ in a row to remove blocks. Intuitive play control by TouchCircus. Turnion - A misspelling of the word ternion. ternion [tur-nee-uh n] a set or group of three; triad. turn [turn] to move around on an axis or about a center; rotate.
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 Turnion's every 11 months. 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
Turnion costs $0.99 and Invaders Retro $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Turnion ships an update every 11 months, Invaders Retro weekly. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.
| Parameter | Turnion | Invaders Retro |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | — |
| Update frequency | Every 11 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 13.6 — better | 14.2 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Danny Bliss | Justin Ngan |
Customer experience
Turnion
Invaders Retro
In-app purchases
Turnion
No in-app purchases
Invaders Retro
No in-app purchases
Questions
Is Turnion free?
Is Invaders Retro free?
Do Turnion or Invaders Retro have ads?
Which is updated more often, Turnion or Invaders Retro?
Other comparisons
