# e燃費 vs DietFrame

The clearest difference is in-app purchases: e燃費 at none against DietFrame's 1. e燃費 also leads on iOS requirement (11.0 vs 13.0). DietFrame's advantage is update cadence (every 3 days vs every 3 months). On price, ads and device support there is nothing between them.

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

e燃費 ships an update every 3 months, DietFrame every 3 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | e燃費 | DietFrame |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 18.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 25 MB | 28 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IID,Inc.](https://appshunter.io/developer/869181882) | [kenji kuroki](https://appshunter.io/developer/1834943683) |

## What reviewers say

### e燃費

[App page](https://appshunter.io/ios/app/e/id440691273)

Track your car's fuel efficiency with ease. Log your gas purchases by taking photos of receipts and compare your mileage to similar vehicles. The app also helps you manage maintenance schedules and find nearby gas stations with real-time price updates.

**Highlights:** Real-time fuel efficiency tracking, Receipt scanning for logging fuel purchases, Comparison with average vehicle fuel economy, Gas station map with real-time prices, Vehicle maintenance schedule management, Gas price posting via photo

**Features:** Vision Pro support

**In-app purchases:** none


### DietFrame

[App page](https://appshunter.io/ios/app/dietframe-body-log/id6775069622)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DietFrame Pro | $4.99 | one-time |


## Frequently asked questions

### Is e燃費 free?

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

### Is DietFrame free?

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

### Do e燃費 or DietFrame have ads?

Neither e燃費 nor DietFrame shows ads.

### Which is updated more often, e燃費 or DietFrame?

e燃費 ships an update every 3 months, and DietFrame every 3 days. Most recently, e燃費 was updated on October 24, 2026 and DietFrame on October 14, 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.*