# Fuel Calculator+ vs AIGFeedback

The clearest difference is ads: AIGFeedback at none against Fuel Calculator+'s shown. AIGFeedback also leads on update cadence (every 3 months vs every 9 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fuel Calculator+ ships an update every 9 months, AIGFeedback every 3 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Fuel Calculator+ | AIGFeedback |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 3 months** |
| Size | 21 MB | 37 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JanoGroup LLC](https://appshunter.io/developer/1781461557) | [Dongguan Tuancheng Automation Equipment Co., Ltd.](https://appshunter.io/developer/1181389850) |

## What reviewers say

### Fuel Calculator+

[App page](https://appshunter.io/ios/app/fuel-calculator-plus/id6745743071)

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

**In-app purchases:** none


### AIGFeedback

[App page](https://appshunter.io/ios/app/aigfeedback/id6746325147)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fuel Calculator+ free?

Fuel Calculator+ is free to download, with no in-app purchases.

### Is AIGFeedback free?

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

### Do Fuel Calculator+ or AIGFeedback have ads?

Fuel Calculator+ shows ads; AIGFeedback does not.

### Which is updated more often, Fuel Calculator+ or AIGFeedback?

Fuel Calculator+ ships an update every 9 months, and AIGFeedback every 3 months. Most recently, Fuel Calculator+ was updated on October 14, 2026 and AIGFeedback on September 30, 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.*