# SleepTank™ vs FitBurst

The clearest difference is update cadence: FitBurst at every 2 weeks against SleepTank™'s every 2 months. SleepTank™'s advantage is iOS requirement (13.0 vs 18.0). On price, ads, 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.

SleepTank™ ships an update every 2 months, FitBurst every 2 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SleepTank™ | FitBurst |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 25 MB | 127 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Institutes for Behavior Resources, Inc.](https://appshunter.io/developer/1523726030) | [Giampiero Sierra](https://appshunter.io/developer/1768334857) |

## What reviewers say

### SleepTank™

[App page](https://appshunter.io/ios/app/sleeptank/id6480587444)

**Features:** macOS Compatibility

**In-app purchases:** none


### FitBurst

[App page](https://appshunter.io/ios/app/fitburst/id6738640924)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SleepTank™ free?

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

### Is FitBurst free?

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

### Do SleepTank™ or FitBurst have ads?

Neither SleepTank™ nor FitBurst shows ads.

### Which is updated more often, SleepTank™ or FitBurst?

SleepTank™ ships an update every 2 months, and FitBurst every 2 weeks. Most recently, SleepTank™ was updated on October 25, 2026 and FitBurst on October 27, 2026.

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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.*