# TapTapUp vs TrainChain

The clearest difference is ads: TapTapUp at none against TrainChain's shown. TapTapUp also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, 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.

TapTapUp ships an update every 3 days, TrainChain every 3 weeks. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | TapTapUp | TrainChain |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 28 MB | 135 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hasancan Cakicioglu](https://appshunter.io/developer/1798437420) | [BOSPHOX YAZILIM VE TEKNOLOJI LIMITED SIRKETI](https://appshunter.io/developer/6776859552) |

## What reviewers say

### TapTapUp

[App page](https://appshunter.io/ios/app/taptapup-reflex-run/id6744987786)

A minimalist arcade game challenges your reflexes with simple one-tap controls. Navigate a triangle through procedurally generated obstacles that increase in speed. Unlock new color themes as you progress and customize your gameplay experience.

**Highlights:** One-tap left/right movement, Endless runner gameplay, Procedurally increasing speed, Unlockable color themes, Minimalist arcade style

**In-app purchases:** none


### TrainChain

[App page](https://appshunter.io/ios/app/trainchain-railway-builder/id6800795067)

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

**In-app purchases:** none


## Frequently asked questions

### Is TapTapUp free?

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

### Is TrainChain free?

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

### Do TapTapUp or TrainChain have ads?

TrainChain shows ads; TapTapUp does not.

### Which is updated more often, TapTapUp or TrainChain?

TapTapUp ships an update every 3 days, and TrainChain every 3 weeks. Most recently, TapTapUp was updated on October 22, 2026 and TrainChain on October 21, 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.*