# FeverFriend vs CSABIGYM

The clearest difference is update cadence: CSABIGYM at weekly against FeverFriend's every 2 months. FeverFriend's advantage is iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FeverFriend ships an update every 2 months, CSABIGYM weekly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FeverFriend | CSABIGYM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 41 MB | 109 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Civil Support Kozhasznu Nonprofit Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1472948791) | [MARK GYENGE](https://appshunter.io/developer/1880431078) |

## What reviewers say

### FeverFriend

[App page](https://appshunter.io/ios/app/feverfriend/id1510180401)

Safely assess the severity of a fever and receive guidance on appropriate actions. This app helps reduce anxiety, avoid unnecessary medication or doctor visits, and empowers users to confidently manage febrile illnesses. It also facilitates documentation for personal records and sharing with healthcare providers.

**Highlights:** Fever severity assessment, Actionable guidance for febrile conditions, Reduces anxiety and uncertainty, Avoids unnecessary medication/doctor visits, Documentation of illnesses, Supports scientific research

**In-app purchases:** none


### CSABIGYM

[App page](https://appshunter.io/ios/app/csabigym/id6770043365)

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

**In-app purchases:** none


## Frequently asked questions

### Is FeverFriend free?

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

### Is CSABIGYM free?

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

### Do FeverFriend or CSABIGYM have ads?

Neither FeverFriend nor CSABIGYM shows ads.

### Which is updated more often, FeverFriend or CSABIGYM?

FeverFriend ships an update every 2 months, and CSABIGYM weekly. Most recently, FeverFriend was updated on October 4, 2026 and CSABIGYM on October 7, 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.*