# Plotter XL vs Noise Light for School

The clearest difference is update cadence: Noise Light for School at monthly against Plotter XL's every 24 months. Noise Light for School also leads on review sentiment (14% vs 0%) and device support (4 vs 1). Plotter XL's advantage is price ($1.99 vs $5.99). On ads, in-app purchases and monetization model there is nothing between them.

Plotter XL costs $1.99 and Noise Light for School $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Plotter XL ships an update every 24 months, Noise Light for School monthly. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Plotter XL | Noise Light for School |
| --- | --- | --- |
| Price | **$1.99** | $5.99 |
| Positive reviews | 0.0% of reviews | **14.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 1 MB | 21 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Christopher Eggs](https://appshunter.io/developer/1464483763) |

## What reviewers say

### Plotter XL

[App page](https://appshunter.io/ios/app/plotter-xl/id368017095)

Visualize mathematical functions by entering formulas and specifying a plotting range. Supports multiple functions, theme customization, and saving formulas for future use. Share your creations via email.

**Highlights:** Plot multiple functions, Customizable chart themes, Save and reuse formulas, Email formulas and charts, Retina display support

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

**In-app purchases:** none


### Noise Light for School

[App page](https://appshunter.io/ios/app/noise-light-for-school/id642915411)

This tool assists educators in managing classroom noise levels. It features a visual indicator and statistics to track class quietness. An accompanying watch app allows for remote monitoring of class activity.

**Highlights:** Classroom noise level indicator, Microphone sensitivity adjustment, Classroom activity statistics, Apple Watch companion app, iPhone and iPad support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Plotter XL free?

Plotter XL costs $1.99, with no in-app purchases.

### Is Noise Light for School free?

Noise Light for School costs $5.99, with no in-app purchases.

### Do Plotter XL or Noise Light for School have ads?

Neither Plotter XL nor Noise Light for School shows ads.

### Which is updated more often, Plotter XL or Noise Light for School?

Plotter XL ships an update every 24 months, and Noise Light for School monthly. Most recently, Plotter XL was updated on October 5, 2026 and Noise Light for School on October 8, 2026.

---

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