# Carendar Mobile vs Simple Fuel Tracker

The clearest difference is in-app purchases: Carendar Mobile at none against Simple Fuel Tracker's 3. Carendar Mobile also leads on update cadence (every 2 weeks vs every 4 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Simple Fuel Tracker sells 3 in-app purchases, starting at $2.49 per month. Carendar Mobile asks for nothing beyond the download.

Carendar Mobile ships an update every 2 weeks, Simple Fuel Tracker every 4 months. Both last shipped on September 15, 2026.

## The numbers

| Metric | Carendar Mobile | Simple Fuel Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 52 MB | 2 MB |
| Requires iOS | **15.1** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Revauxy LLC](https://appshunter.io/developer/1678955028) | [Nikita Cherednikov](https://appshunter.io/developer/1802840676) |

## What reviewers say

### Carendar Mobile

[App page](https://appshunter.io/ios/app/carendar-mobile/id6448033326)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Fuel Tracker

[App page](https://appshunter.io/ios/app/simple-fuel-tracker/id6467199813)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $2.49 | per month |
| 6 Months | $11.99 | per 6 months |
| Yearly | $17.99 | per year |


## Frequently asked questions

### Is Carendar Mobile free?

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

### Is Simple Fuel Tracker free?

Simple Fuel Tracker is free to download, with in-app purchases available.

### Do Carendar Mobile or Simple Fuel Tracker have ads?

Neither Carendar Mobile nor Simple Fuel Tracker shows ads.

### Which is updated more often, Carendar Mobile or Simple Fuel Tracker?

Carendar Mobile ships an update every 2 weeks, and Simple Fuel Tracker every 4 months. Most recently, Carendar Mobile was updated on September 15, 2026 and Simple Fuel Tracker on September 15, 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.*