# BioTime Mobile vs Alef Time Tracker

The clearest difference is update cadence: BioTime Mobile at every 6 weeks against Alef Time Tracker's every 13 months. 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.

BioTime Mobile ships an update every 6 weeks, Alef Time Tracker every 13 months. The most recent releases landed on October 12, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | BioTime Mobile | Alef Time Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 13 months |
| Size | 31 MB | 16 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BIOLINK SOLUTIONS, OOO](https://appshunter.io/developer/1135415948) | [Dmitri Kalnitski](https://appshunter.io/developer/1596894527) |

## What reviewers say

### BioTime Mobile

[App page](https://appshunter.io/ios/app/biotime-mobile/id1135415949)

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

**In-app purchases:** none


### Alef Time Tracker

[App page](https://appshunter.io/ios/app/alef-time-tracker/id1626726087)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BioTime Mobile free?

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

### Is Alef Time Tracker free?

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

### Do BioTime Mobile or Alef Time Tracker have ads?

Neither BioTime Mobile nor Alef Time Tracker shows ads.

### Which is updated more often, BioTime Mobile or Alef Time Tracker?

BioTime Mobile ships an update every 6 weeks, and Alef Time Tracker every 13 months. Most recently, BioTime Mobile was updated on October 12, 2026 and Alef Time Tracker on September 28, 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.*