# Draw on My Back Challenge vs Train Master 3D

The clearest difference is in-app purchases: Draw on My Back Challenge at none against Train Master 3D's 6. Train Master 3D's advantage is update cadence (weekly vs every 14 months) and iOS requirement (12.5 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Train Master 3D sells 6 one-off in-app purchases. Draw on My Back Challenge asks for nothing beyond the download.

Draw on My Back Challenge ships an update every 14 months, Train Master 3D weekly. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Draw on My Back Challenge | Train Master 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (550 ratings)](https://appshunter.io/ios/app/train-master-3d/id6472495867/reviews)** |
| Number of ratings | — | **550** |
| Positive reviews | — | 17.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 107 MB | 325 MB |
| Requires iOS | 15.0 | **12.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Krushna Sanghani](https://appshunter.io/developer/1648455169) | [MondayOFF](https://appshunter.io/developer/1448226898) |

## What reviewers say

### Draw on My Back Challenge

[App page](https://appshunter.io/ios/app/draw-on-my-back-challenge/id1671694054)

**Features:** macOS Compatibility

**In-app purchases:** none


### Train Master 3D

[App page](https://appshunter.io/ios/app/train-master-3d/id6472495867)

Experience life as a train owner in this simulation game. Manage resources, upgrade your train, and customize it to become the ultimate train boss. Hire workers and serve passengers to make your train the best.

**Highlights:** Train ownership simulation, Resource management, Train customization, Worker hiring, Passenger service, Train upgrades

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins 2000 | $3.99 | one-time |
| No Ads | $4.99 | one-time |
| Coins 6000 | $5.99 | one-time |
| Essentials Pack | $7.99 | one-time |
| Super Boosts Pack | $9.99 | one-time |
| Coins 15000 | $12.99 | one-time |

**What reviewers like**

- 🎃 Fun game
- 👍 So good!
- 💡 Simple Yet Entertaining

**What reviewers complain about**

- 🔍 Too many ads
- 🐛 Game doesn't work properly
- 🐛 Blocked at level 3/4

**Reported bugs**

- Game freezes/crashes
- Levels not unlocking after completing requirements

**Requested features**

- More helpers
- Dark mode option


## Frequently asked questions

### Is Draw on My Back Challenge free?

Draw on My Back Challenge is free to download, with no in-app purchases.

### Is Train Master 3D free?

Train Master 3D is free to download, with in-app purchases available.

### Do Draw on My Back Challenge or Train Master 3D have ads?

Both Draw on My Back Challenge and Train Master 3D show ads.

### Which is updated more often, Draw on My Back Challenge or Train Master 3D?

Draw on My Back Challenge ships an update every 14 months, and Train Master 3D weekly. Most recently, Draw on My Back Challenge was updated on October 8, 2026 and Train Master 3D on October 24, 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.*