# Kudlify vs Biyo

The clearest difference is in-app purchases: Kudlify at none against Biyo's 4. Biyo's advantage is update cadence (every 9 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Biyo sells 4 in-app purchases, starting at $4.99 per month. Kudlify asks for nothing beyond the download.

Kudlify ships an update every 3 months, Biyo every 9 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Kudlify | Biyo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.1 (8 ratings)](https://appshunter.io/ios/app/biyo/id6751734725/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 44 MB | 92 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [XO Student Discounts Ltd](https://appshunter.io/developer/1515794916) | [Nurecover](https://appshunter.io/developer/1836527960) |

## What reviewers say

### Kudlify

[App page](https://appshunter.io/ios/app/kudlify/id6469044310)

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

**In-app purchases:** none


### Biyo

[App page](https://appshunter.io/ios/app/biyo/id6751734725)

This health tracking app offers personalized insights and AI-powered guidance to help you manage and optimize your wellness and recovery. Monitor your progress, track product usage, and receive tailored daily routines to enhance your performance.

**Highlights:** Track health progress and readiness, Manage Biyo product usage, AI wellness guide (RAI), Personalized daily routines, Visualize health trends, Product library access

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NUHealth Monthly Pro | $4.99 | per month |
| BIyo Monthly | $19.99 | per month |
| NUHealth Yearly Pro | $39.99 | per year |
| Biyo Yearly | $99.99 | per year |


## Frequently asked questions

### Is Kudlify free?

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

### Is Biyo free?

Biyo is free to download, with in-app purchases available.

### Do Kudlify or Biyo have ads?

Neither Kudlify nor Biyo shows ads.

### Which is updated more often, Kudlify or Biyo?

Kudlify ships an update every 3 months, and Biyo every 9 days. Most recently, Kudlify was updated on October 7, 2026 and Biyo on October 10, 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.*