# GoBig vs FitterCalc

The clearest difference is in-app purchases: GoBig at none against FitterCalc's 1. GoBig also leads on iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. FitterCalc sells 1 one-off in-app purchase. GoBig asks for nothing beyond the download.

## The numbers

| Metric | GoBig | FitterCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 47 months | — |
| Size | 7 MB | 19 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Big Brothers Big Sisters of New York City, Inc.](https://appshunter.io/developer/1199628486) | [Jonathan Weick](https://appshunter.io/developer/1681278482) |

## What reviewers say

### GoBig

[App page](https://appshunter.io/ios/app/gobig/id1199628487)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is GoBig free?

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

### Is FitterCalc free?

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

### Do GoBig or FitterCalc have ads?

Neither GoBig nor FitterCalc 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.*