# BigFiveGym vs Serumo

The clearest difference is in-app purchases: BigFiveGym at none against Serumo's 8. Serumo's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Serumo sells 8 in-app purchases, starting at $7.99 per month. BigFiveGym asks for nothing beyond the download.

BigFiveGym ships an update monthly, Serumo every 2 weeks. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | BigFiveGym | Serumo |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 118 MB | 45 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIKOLAOU - TSOVGKAN O.E](https://appshunter.io/developer/1783560611) | [Amandev Technologies](https://appshunter.io/developer/1880059133) |

## What reviewers say

### BigFiveGym

[App page](https://appshunter.io/ios/app/bigfivegym/id6739066396)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is BigFiveGym free?

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

### Is Serumo free?

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

### Do BigFiveGym or Serumo have ads?

BigFiveGym shows ads; Serumo does not.

### Which is updated more often, BigFiveGym or Serumo?

BigFiveGym ships an update monthly, and Serumo every 2 weeks. Most recently, BigFiveGym was updated on September 29, 2026 and Serumo on October 5, 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.*