# FLIPS vs KEEPYBOO

The clearest difference is in-app purchases: FLIPS at none against KEEPYBOO's 10. KEEPYBOO's advantage is update cadence (every 2 days vs every 8 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KEEPYBOO sells 10 one-off in-app purchases. FLIPS asks for nothing beyond the download.

FLIPS ships an update every 8 days, KEEPYBOO every 2 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | FLIPS | KEEPYBOO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Every 2 days** |
| Size | 105 MB | 99 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [wapon Inc.](https://appshunter.io/developer/563984006) | [株式会社ビット](https://appshunter.io/developer/6813510089) |

## What reviewers say

### FLIPS

[App page](https://appshunter.io/ios/app/flips-number-logic-puzzle/id6787373890)

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

**In-app purchases:** none


### KEEPYBOO

[App page](https://appshunter.io/ios/app/keepyboo-ghost-logic-puzzle/id6813510087)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theme: Halloween | $0.99 | one-time |
| Theme: Toy Box | $0.99 | one-time |
| Theme: Comic Hero | $0.99 | one-time |
| Theme: Pixel Castle | $0.99 | one-time |
| Sound: Koto Strings | $0.99 | one-time |
| Sound: Water Drops | $0.99 | one-time |
| Sound: 80s Ghost | $0.99 | one-time |
| ULTIMATE Pack | $1.99 | one-time |
| EXTREME Pack | $3.99 | one-time |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is FLIPS free?

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

### Is KEEPYBOO free?

KEEPYBOO is free to download, with in-app purchases available.

### Do FLIPS or KEEPYBOO have ads?

Both FLIPS and KEEPYBOO show ads.

### Which is updated more often, FLIPS or KEEPYBOO?

FLIPS ships an update every 8 days, and KEEPYBOO every 2 days. Most recently, FLIPS was updated on November 10, 2026 and KEEPYBOO on November 6, 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.*