# SchoolTool vs PHYWE measureAPP

The clearest difference is price: PHYWE measureAPP at Free against SchoolTool's $7.99. PHYWE measureAPP also leads on rating (5.0 vs 1.0) and update cadence (monthly vs every 2 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

PHYWE measureAPP is free to download; SchoolTool costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PHYWE measureAPP holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

SchoolTool ships an update every 2 months, PHYWE measureAPP monthly. The most recent releases landed on September 23, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | SchoolTool | PHYWE measureAPP |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/schooltool/id1204863582/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phywe-measureapp/id1510916483/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 44 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Kroeger](https://appshunter.io/developer/517655669) | [PHYWE Systeme GmbH & Co. KG](https://appshunter.io/developer/649820638) |

## What reviewers say

### SchoolTool

[App page](https://appshunter.io/ios/app/schooltool/id1204863582)

This app helps create a quiet learning environment with a visual noise warning light and a timer. It provides optical and acoustic feedback on volume levels and helps students grasp remaining work time.

**Highlights:** Noise warning light with optical and acoustic feedback, Adjustable sensitivity for different groups, Configurable warnings for noise limit breaches, Visual timer for work phases, Develops a sense of time in students, Timer can be relative or absolute

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

**In-app purchases:** none


### PHYWE measureAPP

[App page](https://appshunter.io/ios/app/phywe-measureapp/id1510916483)

This educational app facilitates simple and fast data logging for science lessons. It works with specific sensors to measure various phenomena, offering intuitive handling, data visualization, and over 100 experiment descriptions.

**Highlights:** Simple and fast data logging, Wireless sensor connectivity (Bluetooth/USB), Graphical and digital data visualization, Over 100 experiment descriptions, Individual notes, photos, and videos, Multilingual support (17 languages)

**In-app purchases:** none


## Frequently asked questions

### Is SchoolTool free?

SchoolTool costs $7.99, with no in-app purchases.

### Is PHYWE measureAPP free?

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

### Which has better reviews, SchoolTool or PHYWE measureAPP?

PHYWE measureAPP is rated higher. SchoolTool averages 1.0 out of 5 from 1 ratings, while PHYWE measureAPP averages 5.0 from 2 ratings.

### Do SchoolTool or PHYWE measureAPP have ads?

Neither SchoolTool nor PHYWE measureAPP shows ads.

### Which is updated more often, SchoolTool or PHYWE measureAPP?

SchoolTool ships an update every 2 months, and PHYWE measureAPP monthly. Most recently, SchoolTool was updated on September 23, 2026 and PHYWE measureAPP on August 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.*