# Serumo vs First Merci

The clearest difference is update cadence: First Merci at every 3 days against Serumo's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Serumo sells 8 in-app purchases, starting at $7.99 per month and First Merci sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Serumo ships an update every 3 weeks, First Merci every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Serumo | First Merci |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/serumo/id6762191392/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 47 MB | 57 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Amandev Technologies](https://appshunter.io/developer/1880059133) | [ANTOINE PHILIPPE DESMARTIN](https://appshunter.io/developer/6798343346) |

## What reviewers say

### Serumo

[App page](https://appshunter.io/ios/app/serumo/id6762191392)

Organize your laboratory test results and visualize trends over time. This app helps you understand your health markers with clear charts and educational context, supporting personal wellness tracking. It's designed for educational use and not for medical diagnosis or treatment.

**Highlights:** Upload lab reports (PDF/images), Visualize marker trends over time, Compare results across visits, Add health logs and reminders, Multi-language support, Secure data handling

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Serumo Premium Monthly | $7.99 | per month |
| Serumo Premium Monthly 2 Seat | $9.99 | per month |
| Serumo Premium Monthly 3 Seat | $11.99 | per month |
| Serumo Premium Monthly 4 Seat | $13.99 | per month |
| Serumo Premium Yearly | $59.99 | per year |
| Serumo Premium Yearly 2 Seat | $79.99 | per year |
| Serumo Premium Yearly 3 Seat | $99.99 | per year |
| Serumo Premium Monthly 4 Seat | $119.99 | per year |


### First Merci

[App page](https://appshunter.io/ios/app/first-merci-gratitude/id6798343344)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $0.99 | per month |
| Premium yearly | $8.99 | per year |
| Analysis of a past month | $0.99 | one-time |
| A small thank you | $1.99 | one-time |
| A big thank you | $3.99 | one-time |
| A huge thank you | $8.99 | one-time |


## Frequently asked questions

### Is Serumo free?

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

### Is First Merci free?

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

### Do Serumo or First Merci have ads?

Neither Serumo nor First Merci shows ads.

### Which is updated more often, Serumo or First Merci?

Serumo ships an update every 3 weeks, and First Merci every 3 days. Most recently, Serumo was updated on October 31, 2026 and First Merci 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.*