# 教祖140年祭 vs 瞬速！燃費計算

The clearest difference is in-app purchases: 教祖140年祭 at none against 瞬速！燃費計算's 1. 教祖140年祭 also leads on iOS requirement (14.0 vs 17.0). 瞬速！燃費計算's advantage is update cadence (every 3 months vs every 20 months). On price, ads and device support there is nothing between them.

Both are free to download. 瞬速！燃費計算 sells 1 in-app purchase, starting at $1.99 per month. 教祖140年祭 asks for nothing beyond the download.

教祖140年祭 ships an update every 20 months, 瞬速！燃費計算 every 3 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | 教祖140年祭 | 瞬速！燃費計算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 months** |
| Size | 1 MB | 7 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Suits](https://appshunter.io/developer/511704647) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### 教祖140年祭

[App page](https://appshunter.io/ios/app/140/id6444141712)

**Features:** macOS Compatibility

**In-app purchases:** none


### 瞬速！燃費計算

[App page](https://appshunter.io/ios/app/id6727004599)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示（初週無料） | $1.99 | per month |


## Frequently asked questions

### Is 教祖140年祭 free?

教祖140年祭 is free to download, with no in-app purchases.

### Is 瞬速！燃費計算 free?

瞬速！燃費計算 is free to download, with in-app purchases available.

### Do 教祖140年祭 or 瞬速！燃費計算 have ads?

Neither 教祖140年祭 nor 瞬速！燃費計算 shows ads.

### Which is updated more often, 教祖140年祭 or 瞬速！燃費計算?

教祖140年祭 ships an update every 20 months, and 瞬速！燃費計算 every 3 months. Most recently, 教祖140年祭 was updated on October 27, 2026 and 瞬速！燃費計算 on October 27, 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.*