# GasFlowMeter vs unloading meter

The clearest difference is ads: unloading meter at none against GasFlowMeter's shown. GasFlowMeter's advantage is iOS requirement (9.3 vs 12.0). 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.

## The numbers

| Metric | GasFlowMeter | unloading meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 months |
| Size | 22 MB | 42 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rajam Raghu](https://appshunter.io/developer/893080670) | [Zhejiang Koeo Petroleum Machinery Co.,Ltd](https://appshunter.io/developer/1527963988) |

## What reviewers say

### GasFlowMeter

[App page](https://appshunter.io/ios/app/gasflowmeter-flow-calibration/id1489078800)

**Features:** macOS Compatibility

**In-app purchases:** none


### unloading meter

[App page](https://appshunter.io/ios/app/unloading-meter/id1575907612)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GasFlowMeter free?

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

### Is unloading meter free?

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

### Do GasFlowMeter or unloading meter have ads?

GasFlowMeter shows ads; unloading meter does not.

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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.*