# SmartBehavior vs StackLab

The clearest difference is price: StackLab at Free against SmartBehavior's $4.99. SmartBehavior's advantage is in-app purchases (none vs 3) and iOS requirement (16.6 vs 18.6). On ads and device support there is nothing between them.

StackLab is free to download; SmartBehavior costs $4.99 up front. StackLab sells 3 in-app purchases, starting at $6.99 per month. SmartBehavior asks for nothing beyond the download.

## The numbers

| Metric | SmartBehavior | StackLab |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 45 MB | 24 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julian Kern](https://appshunter.io/developer/1695570389) | [BigBalli Consulting llc](https://appshunter.io/developer/363765325) |

## What reviewers say

### SmartBehavior

[App page](https://appshunter.io/ios/app/smartbehavior/id6752805381)

**Features:** macOS Compatibility

**In-app purchases:** none


### StackLab

[App page](https://appshunter.io/ios/app/stacklab-supplement-tracker/id6762133065)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $49.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is SmartBehavior free?

SmartBehavior costs $4.99, with no in-app purchases.

### Is StackLab free?

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

### Do SmartBehavior or StackLab have ads?

Neither SmartBehavior nor StackLab 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.*