# Fast Molality Calculator vs ProtocolTrackerLab

The clearest difference is ads: ProtocolTrackerLab at none against Fast Molality Calculator's shown. Fast Molality Calculator's advantage is iOS requirement (15.0 vs 17.6). 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 | Fast Molality Calculator | ProtocolTrackerLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 35 months | — |
| Size | 30 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JIN-HYUNG KIM](https://appshunter.io/developer/1692050199) | [Mehmet Ali Okay](https://appshunter.io/developer/1871965536) |

## What reviewers say

### Fast Molality Calculator

[App page](https://appshunter.io/ios/app/fast-molality-calculator/id6451112827)

**Features:** macOS Compatibility

**In-app purchases:** none


### ProtocolTrackerLab

[App page](https://appshunter.io/ios/app/protocoltrackerlab/id6758282286)

**In-app purchases:** none


## Frequently asked questions

### Is Fast Molality Calculator free?

Fast Molality Calculator is free to download, with no in-app purchases.

### Is ProtocolTrackerLab free?

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

### Do Fast Molality Calculator or ProtocolTrackerLab have ads?

Fast Molality Calculator shows ads; ProtocolTrackerLab 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.*