# phyphox vs MathWrite Notes

The clearest difference is in-app purchases: phyphox at none against MathWrite Notes's 2. phyphox also leads on iOS requirement (12.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. MathWrite Notes sells 2 in-app purchases, starting at $9.99 per month. phyphox asks for nothing beyond the download.

## The numbers

| Metric | phyphox | MathWrite Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (272 ratings)](https://appshunter.io/ios/app/phyphox/id1127319693/reviews)** | — |
| Number of ratings | **272** | — |
| Positive reviews | 78.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 19 MB | 35 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RWTH Aachen University](https://appshunter.io/developer/371466796) | [Andres Osorio Leyenda](https://appshunter.io/developer/6807434389) |

## 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


### MathWrite Notes

[App page](https://appshunter.io/ios/app/mathwrite-notes/id6807434387)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathWriteNotes Monthly Subscription | $9.99 | per month |
| MathWriteNotes Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is phyphox free?

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

### Is MathWrite Notes free?

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

### Do phyphox or MathWrite Notes have ads?

Neither phyphox nor MathWrite Notes shows ads.

---

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