# SchoolTool vs Noise Timer

The clearest difference is update cadence: SchoolTool at every 2 months against Noise Timer's every 16 months. Noise Timer's advantage is price ($6.99 vs $7.99) and iOS requirement (13.1 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

SchoolTool costs $7.99 and Noise Timer $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SchoolTool ships an update every 2 months, Noise Timer every 16 months. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SchoolTool | Noise Timer |
| --- | --- | --- |
| Price | $7.99 | **$6.99** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/schooltool/id1204863582/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | Paid | — |
| Size | 5 MB | 1 MB |
| Requires iOS | 16.0 | **13.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Kroeger](https://appshunter.io/developer/517655669) | [Werner Krause](https://appshunter.io/developer/1180618127) |

## 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


### Noise Timer

[App page](https://appshunter.io/ios/app/noise-timer/id1503516276)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SchoolTool free?

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

### Is Noise Timer free?

Noise Timer costs $6.99, with no in-app purchases.

### Do SchoolTool or Noise Timer have ads?

Neither SchoolTool nor Noise Timer shows ads.

### Which is updated more often, SchoolTool or Noise Timer?

SchoolTool ships an update every 2 months, and Noise Timer every 16 months. Most recently, SchoolTool was updated on September 23, 2026 and Noise Timer on September 10, 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.*