# TREK Bio vs Tally Light

The clearest difference is iOS requirement: Tally Light at 13.0 against TREK Bio's 15.0. 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.

## The numbers

| Metric | TREK Bio | Tally Light |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 18 MB | 22 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trek2000](https://appshunter.io/developer/409284633) | [MIRO Corp.](https://appshunter.io/developer/1291269251) |

## What reviewers say

### TREK Bio

[App page](https://appshunter.io/ios/app/trek-bio/id6444411830)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tally Light

[App page](https://appshunter.io/ios/app/tally-light/id6476167649)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TREK Bio free?

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

### Is Tally Light free?

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

### Do TREK Bio or Tally Light have ads?

Neither TREK Bio nor Tally Light 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.*