# 燃費メモ vs Ubki

The clearest difference is in-app purchases: Ubki at none against 燃費メモ's 1. Ubki also leads on iOS requirement (10.2 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 燃費メモ sells 1 one-off in-app purchase. Ubki asks for nothing beyond the download.

燃費メモ ships an update every 2 months, Ubki monthly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 燃費メモ | Ubki |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 2 MB | 51 MB |
| Requires iOS | 12.0 | **10.2** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [enaksoft.com](https://appshunter.io/developer/521038978) | [Jean Zeren](https://appshunter.io/developer/1599682022) |

## What reviewers say

### 燃費メモ

[App page](https://appshunter.io/ios/app/id665057764)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の非表示＆機能拡張 | $0.99 | one-time |


### Ubki

[App page](https://appshunter.io/ios/app/ubki/id1599682020)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 燃費メモ free?

燃費メモ is free to download, with in-app purchases available.

### Is Ubki free?

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

### Do 燃費メモ or Ubki have ads?

Neither 燃費メモ nor Ubki shows ads.

### Which is updated more often, 燃費メモ or Ubki?

燃費メモ ships an update every 2 months, and Ubki monthly. Most recently, 燃費メモ was updated on October 29, 2026 and Ubki on October 25, 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.*