# Bllod vs N4S

The clearest difference is in-app purchases: N4S at none against Bllod's 4. N4S also leads on update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Bllod sells 4 in-app purchases, starting at $6.99 per month. N4S asks for nothing beyond the download.

Bllod ships an update every 3 weeks, N4S weekly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bllod | N4S |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 111 MB | 57 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Yan Franca](https://appshunter.io/developer/1678796564) | [Nicolas Dehayes](https://appshunter.io/developer/6776109969) |

## What reviewers say

### Bllod

[App page](https://appshunter.io/ios/app/bllod-blood-test-tracker/id6755365127)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bllod Plus (Monthly) | $6.99 | per month |
| Bllod Pro (Monthly) | $14.99 | per month |
| Bllod Plus (Annual) | $39.99 | per year |
| Bllod Pro (Annual) | $89.99 | per year |


### N4S

[App page](https://appshunter.io/ios/app/n4s/id6776109967)

This app creates precise, gram-accurate nutritional plans tailored to your health conditions, fitness level, and goals. It automatically re-evaluates your needs based on your progress and offers personalized hydration reminders. Access certified nutritionists and receive automatic grocery lists.

**Highlights:** Gram-accurate personalized nutrition plans, Automatic re-evaluation based on progress, Covers 35+ clinical pathologies, Personalized hydration tracking, Automatic grocery list generation, Access to certified nutritionists

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

**In-app purchases:** none


## Frequently asked questions

### Is Bllod free?

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

### Is N4S free?

N4S is free to download, with no in-app purchases.

### Do Bllod or N4S have ads?

Neither Bllod nor N4S shows ads.

### Which is updated more often, Bllod or N4S?

Bllod ships an update every 3 weeks, and N4S weekly. Most recently, Bllod was updated on November 9, 2026 and N4S on October 31, 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.*