# Fastest Weight Tracker vs Bivryn Biological Intelligence

The clearest difference is in-app purchases: Fastest Weight Tracker at none against Bivryn Biological Intelligence's 2. Fastest Weight Tracker also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Bivryn Biological Intelligence sells 2 in-app purchases, starting at $14.99 per month. Fastest Weight Tracker asks for nothing beyond the download.

## The numbers

| Metric | Fastest Weight Tracker | Bivryn Biological Intelligence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fastest-weight-tracker/id1490596570/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 11 days |
| Monetization | Free | — |
| Size | 1 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Voglhuber](https://appshunter.io/developer/433453828) | [Amita Dhand](https://appshunter.io/developer/1437246199) |

## What reviewers say

### Fastest Weight Tracker

[App page](https://appshunter.io/ios/app/fastest-weight-tracker/id1490596570)

Easily log your weight in seconds using your Apple Watch. The app automatically loads your last entry, allowing you to quickly input and save your new weight with a single tap.

**Highlights:** Quick weight logging, Apple Watch integration, Automatic last entry loading, One-tap save, Syncs with Apple Health

**Features:** Apple Watch app

**In-app purchases:** none


### Bivryn Biological Intelligence

[App page](https://appshunter.io/ios/app/bivryn-biological-intelligence/id6774502017)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bivryn Premium Monthly | $14.99 | per month |
| Bivryn Premium Annual | $99.99 | per year |


## Frequently asked questions

### Is Fastest Weight Tracker free?

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

### Is Bivryn Biological Intelligence free?

Bivryn Biological Intelligence is free to download, with in-app purchases available.

### Do Fastest Weight Tracker or Bivryn Biological Intelligence have ads?

Neither Fastest Weight Tracker nor Bivryn Biological Intelligence shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*