# Flippy the Train vs Triddle

The clearest difference is update cadence: Triddle at every 5 days against Flippy the Train's every 6 months. Flippy the Train's advantage is iOS requirement (13.0 vs 15.6). 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.

Flippy the Train ships an update every 6 months, Triddle every 5 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Flippy the Train | Triddle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/flippy-the-train/id957889052/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 3 MB | 3 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Karl Voskuil](https://appshunter.io/developer/957889051) | [Lars Wilhelmer](https://appshunter.io/developer/1684731896) |

## What reviewers say

### Flippy the Train

[App page](https://appshunter.io/ios/app/flippy-the-train/id957889052)

Solve digital circuitry puzzles by building train tracks that model logic gates like NOT, AND, and OR. Challenge yourself to create complex circuits such as XOR gates and half-adders with minimal track segments. Explore a sandbox mode for freeform track creation.

**Highlights:** Digital circuitry puzzles, Logic gate simulation (NOT, AND, OR, XOR), Half-adder circuit challenges, Sandbox mode for track creation, Minimal track segment challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Triddle

[App page](https://appshunter.io/ios/app/triddle/id6680186248)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flippy the Train free?

Flippy the Train is free to download, with no in-app purchases.

### Is Triddle free?

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

### Do Flippy the Train or Triddle have ads?

Neither Flippy the Train nor Triddle shows ads.

### Which is updated more often, Flippy the Train or Triddle?

Flippy the Train ships an update every 6 months, and Triddle every 5 days. Most recently, Flippy the Train was updated on October 14, 2026 and Triddle on October 7, 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.*