# InFuel vs Fastual

The clearest difference is ads: InFuel at none against Fastual's shown. Fastual's advantage is update cadence (every 6 weeks vs every 10 months) and iOS requirement (15.1 vs 18.0). On price, 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.

InFuel ships an update every 10 months, Fastual every 6 weeks. The most recent releases landed on September 17, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | InFuel | Fastual |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Size | 2 MB | 52 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Fishybear LLC](https://appshunter.io/developer/386484263) | [Redjon Prengzi](https://appshunter.io/developer/1807403123) |

## What reviewers say

### InFuel

[App page](https://appshunter.io/ios/app/infuel/id6743775122)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fastual

[App page](https://appshunter.io/ios/app/fastual-fasting-phase-tracker/id6758233821)

**In-app purchases:** none


## Frequently asked questions

### Is InFuel free?

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

### Is Fastual free?

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

### Do InFuel or Fastual have ads?

Fastual shows ads; InFuel does not.

### Which is updated more often, InFuel or Fastual?

InFuel ships an update every 10 months, and Fastual every 6 weeks. Most recently, InFuel was updated on September 17, 2026 and Fastual on August 5, 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.*