# 倍数plane vs HakkoQuiz

The clearest difference is update cadence: HakkoQuiz at every 5 weeks against 倍数plane's every 6 months. HakkoQuiz also leads on iOS requirement (11.0 vs 15.0). 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.

倍数plane ships an update every 6 months, HakkoQuiz every 5 weeks. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 倍数plane | HakkoQuiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Size | 58 MB | 45 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 9+ | 4+ |
| Developer | [Hiroyuki Nakano](https://appshunter.io/developer/1091174971) | [HAKKO SMILE](https://appshunter.io/developer/1792690106) |

## What reviewers say

### 倍数plane

[App page](https://appshunter.io/ios/app/plane/id6502582678)

**Features:** macOS Compatibility

**In-app purchases:** none


### HakkoQuiz

[App page](https://appshunter.io/ios/app/hakkoquiz/id6741038473)

**In-app purchases:** none


## Frequently asked questions

### Is 倍数plane free?

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

### Is HakkoQuiz free?

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

### Do 倍数plane or HakkoQuiz have ads?

Neither 倍数plane nor HakkoQuiz shows ads.

### Which is updated more often, 倍数plane or HakkoQuiz?

倍数plane ships an update every 6 months, and HakkoQuiz every 5 weeks. Most recently, 倍数plane was updated on October 10, 2026 and HakkoQuiz on October 11, 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.*