# Training Visualizer vs Sleep Tracker

The clearest difference is iOS requirement: Sleep Tracker at 17.4 against Training Visualizer's 26.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Training Visualizer | Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 5 MB | 179 MB |
| Requires iOS | 26.6 | **17.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fredrik Dalmo](https://appshunter.io/developer/1788310480) | [Identiq Infotech](https://appshunter.io/developer/1881019162) |

## What reviewers say

### Training Visualizer

[App page](https://appshunter.io/ios/app/training-visualizer/id6740084468)

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

**In-app purchases:** none


### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-calm-and-meditate/id6752654569)

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

**In-app purchases:** none


## Frequently asked questions

### Is Training Visualizer free?

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

### Is Sleep Tracker free?

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

### Do Training Visualizer or Sleep Tracker have ads?

Neither Training Visualizer nor Sleep Tracker shows ads.

### Which is updated more often, Training Visualizer or Sleep Tracker?

Training Visualizer ships an update monthly, and Sleep Tracker monthly. Most recently, Training Visualizer was updated on October 28, 2026 and Sleep Tracker on October 30, 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.*