# FitterCalc vs PipeAtlas

The clearest difference is device support: FitterCalc at 3 against PipeAtlas's 1. FitterCalc also leads on iOS requirement (15.0 vs 18.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. FitterCalc sells 1 one-off in-app purchase and PipeAtlas sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | FitterCalc | PipeAtlas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 19 MB | 61 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Weick](https://appshunter.io/developer/1681278482) | [Shenzhen Seize Times E-Commerce Co., Ltd.](https://appshunter.io/developer/368397197) |

## What reviewers say

### FitterCalc

[App page](https://appshunter.io/ios/app/fittercalc/id6793714393)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $9.99 | one-time |


### PipeAtlas

[App page](https://appshunter.io/ios/app/pipeatlas/id6796687644)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PipeAtlas Pro One Month | $1.99 | per month |
| PipeAtlas Pro One Year | $19.99 | per year |
| PipeAtlas Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is FitterCalc free?

FitterCalc is free to download, with in-app purchases available.

### Is PipeAtlas free?

PipeAtlas is free to download, with in-app purchases available.

### Do FitterCalc or PipeAtlas have ads?

Neither FitterCalc nor PipeAtlas shows ads.

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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.*