# FuelMizer vs o46scope

The clearest difference is in-app purchases: FuelMizer at none against o46scope's 1. o46scope's advantage is update cadence (every 6 weeks vs every 27 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. o46scope sells 1 in-app purchase, starting at $19.99 per year. FuelMizer asks for nothing beyond the download.

FuelMizer ships an update every 27 months, o46scope every 6 weeks. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | FuelMizer | o46scope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fuelmizer/id1550669490/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 53 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LocoDog Design LLC](https://appshunter.io/developer/1131466723) | [Shinsuke Tsutsui](https://appshunter.io/developer/1707110915) |

## What reviewers say

### FuelMizer

[App page](https://appshunter.io/ios/app/fuelmizer/id1550669490)

Accurately measure the fuel level in partially used canisters and estimate the number of meals you can prepare with the remaining fuel. Utilizes a standard kitchen scale and offers preloaded data for common brands and stoves, with the ability to add custom entries.

**Highlights:** Accurate fuel level measurement, Estimate meals from remaining fuel, Supports common brands and sizes, Add custom canister and stove data, Utilizes a standard kitchen scale

**Features:** macOS Compatibility

**In-app purchases:** none


### o46scope

[App page](https://appshunter.io/ios/app/o46scope/id6754371407)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | per year |


## Frequently asked questions

### Is FuelMizer free?

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

### Is o46scope free?

o46scope is free to download, with in-app purchases available.

### Do FuelMizer or o46scope have ads?

Neither FuelMizer nor o46scope shows ads.

### Which is updated more often, FuelMizer or o46scope?

FuelMizer ships an update every 27 months, and o46scope every 6 weeks. Most recently, FuelMizer was updated on November 3, 2026 and o46scope on November 9, 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.*