# Turnion vs Invaders Retro

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.

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.

## The numbers

| Metric | Turnion | Invaders Retro |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/turnion/id937983639/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 2 MB | 3 MB |
| Requires iOS | **13.6** | 14.2 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Danny Bliss](https://appshunter.io/developer/1866784316) | [Justin Ngan](https://appshunter.io/developer/1467305957) |

## What reviewers say

### Turnion

[App page](https://appshunter.io/ios/app/turnion/id937983639)

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.

**Highlights:** Gesture-based controls, Circle rotation mechanic, Swipe to move blocks, Match 4+ for clearance, Intuitive gameplay

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Invaders Retro

[App page](https://appshunter.io/ios/app/invaders-retro/id1544672448)

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.

**Highlights:** Alien invasion gameplay, Wave-based challenges, Hidden scoring system, Retro graphics, Planet defense

**Features:** Game Controller support

**In-app purchases:** none


## Frequently asked questions

### Is Turnion free?

Turnion costs $0.99, with no in-app purchases.

### Is Invaders Retro free?

Invaders Retro costs $0.99, with no in-app purchases.

### Do Turnion or Invaders Retro have ads?

Neither Turnion nor Invaders Retro shows ads.

### Which is updated more often, Turnion or Invaders Retro?

Turnion ships an update every 11 months, and Invaders Retro weekly. Most recently, Turnion was updated on October 12, 2026 and Invaders Retro on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*