# phyphox vs Cultmax

The clearest difference is update cadence: Cultmax at every 9 days against phyphox's every 3 months. Cultmax also leads on review sentiment (100% vs 79%) and rating (4.9 vs 4.6). phyphox's advantage is monetization model (free vs freemium) and ratings volume (276 vs 11). 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.

Cultmax holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: phyphox has 276 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 79% of phyphox's written reviews are positive against 100% of Cultmax's.

phyphox ships an update every 3 months, Cultmax every 9 days. Both last shipped on October 17, 2026.

## The numbers

| Metric | phyphox | Cultmax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (276 ratings)](https://appshunter.io/ios/app/phyphox/id1127319693/reviews) | **[4.9 (11 ratings)](https://appshunter.io/ios/app/cultmax/id6751407677/reviews)** |
| Number of ratings | **276** | 11 |
| Positive reviews | 78.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | **Free** | Freemium |
| Size | 19 MB | 188 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RWTH Aachen University](https://appshunter.io/developer/371466796) | [Joseph Bou Samra](https://appshunter.io/developer/1834911435) |

## What reviewers say

### phyphox

[App page](https://appshunter.io/ios/app/phyphox/id1127319693)

Unlock your phone's sensors for scientific exploration. Conduct pre-built experiments or create your own using accelerometers, magnetometers, and more. Analyze and export data in various formats for further study.

**Highlights:** Pre-defined experiments, Data export (CSV, TSV, Excel), Web-based remote control, Custom experiment editor, Access to phone sensors, Advanced analysis functions

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

**In-app purchases:** none

**What reviewers like**

- 💡 Access to phone sensors
- 🔬 Useful for physics experiments
- 📊 Data logging and export
- 🆓 Free and no ads
- 🤔 Sparks curiosity

**What reviewers complain about**

- 🐛 Bugs and crashes
- 📉 Inconsistent performance
- 🔒 App locks/minimizes recording
- ❓ Units not always clear
- ⚠️ Potential for device damage

**Reported bugs**

- App crashes on older devices
- Barometer not working on iOS 17.4
- Network error: Generic error
- Sound measurement curve disappears
- App crashes frequently

**Requested features**

- Add infrasound detector
- More units of measurement (G-force, PSI, feet)
- NFC/RFID support
- In-app bug report feature
- Allow other sensors via USB-C


### Cultmax

[App page](https://appshunter.io/ios/app/cultmax/id6751407677)

This app gamifies exam preparation for specific university entrance exams. It transforms past questions into interactive levels with progress tracking, leaderboards, and visual aids. Users can compete with friends and receive instant feedback to boost their learning and motivation.

**Highlights:** Interactive levels from past exams, Gamified learning with points and progression, Real-time leaderboards and friend challenges, Visual aids for memorization, Instant feedback after questions, Friend profiles and motivation features

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

**In-app purchases:** none


## Frequently asked questions

### Is phyphox free?

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

### Is Cultmax free?

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

### Which has better reviews, phyphox or Cultmax?

Cultmax is rated higher. phyphox averages 4.6 out of 5 from 276 ratings, while Cultmax averages 4.9 from 11 ratings.

### Do phyphox or Cultmax have ads?

Neither phyphox nor Cultmax shows ads.

### Which is updated more often, phyphox or Cultmax?

phyphox ships an update every 3 months, and Cultmax every 9 days. Most recently, phyphox was updated on October 17, 2026 and Cultmax on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*