# Circle Pop Up vs Train Flipper

The clearest difference is in-app purchases: Train Flipper at none against Circle Pop Up's 7. Train Flipper also leads on update cadence (daily vs every 2 months). Circle Pop Up's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price and ads there is nothing between them.

Both are free to download. Circle Pop Up sells 7 one-off in-app purchases. Train Flipper asks for nothing beyond the download.

Circle Pop Up ships an update every 2 months, Train Flipper daily. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Circle Pop Up | Train Flipper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Daily** |
| Size | 599 MB | 38 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +4 | 12+ |
| Developer | [ABCiSoft](https://appshunter.io/developer/409799840) | [Andreas Lie Gulbrandsen](https://appshunter.io/developer/1872786865) |

## What reviewers say

### Circle Pop Up

[App page](https://appshunter.io/ios/app/circle-pop-up/id6462883037)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 800 Stars | $0.99 | one-time |
| 2000 Stars | $1.99 | one-time |
| Double Stars | $1.99 | one-time |
| 4000 Stars | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Unlock Levels | $5.99 | one-time |
| Super Pack | $7.99 | one-time |


### Train Flipper

[App page](https://appshunter.io/ios/app/train-flipper/id6758412016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Circle Pop Up free?

Circle Pop Up is free to download, with in-app purchases available.

### Is Train Flipper free?

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

### Do Circle Pop Up or Train Flipper have ads?

Both Circle Pop Up and Train Flipper show ads.

### Which is updated more often, Circle Pop Up or Train Flipper?

Circle Pop Up ships an update every 2 months, and Train Flipper daily. Most recently, Circle Pop Up was updated on October 27, 2026 and Train Flipper on October 28, 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.*