# useSUS vs Bllod

The clearest difference is in-app purchases: useSUS at none against Bllod's 4. useSUS also leads on iOS requirement (11.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | useSUS | Bllod |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 17 MB | 111 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | +4 | 12+ |
| Developer | [ADASI Software](https://appshunter.io/developer/1566955981) | [Yan Franca](https://appshunter.io/developer/1678796564) |

## What reviewers say

### useSUS

[App page](https://appshunter.io/ios/app/usesus-palmares/id1594627366)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is useSUS free?

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

### Is Bllod free?

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

### Do useSUS or Bllod have ads?

Neither useSUS nor Bllod shows ads.

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

useSUS ships an update every 3 weeks, and Bllod every 3 weeks. Most recently, useSUS was updated on November 7, 2026 and Bllod on November 9, 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.*