# Retro Tron vs Untangle

The clearest difference is update cadence: Untangle at every 4 days against Retro Tron's every 20 months. Untangle also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Retro Tron ships an update every 20 months, Untangle every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Retro Tron | Untangle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/retro-tron/id6450889015/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 1 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Morgan Rai](https://appshunter.io/developer/1691350292) | [MSP AI, LLC](https://appshunter.io/developer/6783069493) |

## What reviewers say

### Retro Tron

[App page](https://appshunter.io/ios/app/retro-tron/id6450889015)

Engage in a fast-paced, neon-lit duel where you steer a light-cycle to trap your opponent. Outmaneuver the CPU in two challenging modes, aiming to be the last cycle running to win rounds and the match.

**Highlights:** Fast-paced light-cycle duels, Strategic 90-degree turns, Turbo boost for speed control, Two difficulty modes (Normal, Hard), AI opponent with adaptive strategy, Retro arcade visual and sound style

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

**In-app purchases:** none


### Untangle

[App page](https://appshunter.io/ios/app/untangle-night-sky/id6789270327)

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

**In-app purchases:** none


## Frequently asked questions

### Is Retro Tron free?

Retro Tron is free to download, with no in-app purchases.

### Is Untangle free?

Untangle is free to download, with no in-app purchases.

### Do Retro Tron or Untangle have ads?

Neither Retro Tron nor Untangle shows ads.

### Which is updated more often, Retro Tron or Untangle?

Retro Tron ships an update every 20 months, and Untangle every 4 days. Most recently, Retro Tron was updated on November 3, 2026 and Untangle on November 5, 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.*