# PCS Instruments vs MathWake Loud Math Alarm Clock

The clearest difference is in-app purchases: PCS Instruments at none against MathWake Loud Math Alarm Clock's 8. PCS Instruments also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.5). On price, review sentiment and device support there is nothing between them.

Both are free to download. MathWake Loud Math Alarm Clock sells 8 in-app purchases, starting at $1.99 per 7 days. PCS Instruments asks for nothing beyond the download.

## The numbers

| Metric | PCS Instruments | MathWake Loud Math Alarm Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (14 ratings)](https://appshunter.io/ios/app/mathwake-loud-math-alarm-clock/id6759845811/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 254 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PCS Instruments Limited](https://appshunter.io/developer/1575085372) | [Ali Eser Koca](https://appshunter.io/developer/1777503652) |

## What reviewers say

### PCS Instruments

[App page](https://appshunter.io/ios/app/pcs-instruments/id1575085370)

Calculate Hertz contact pressures and sizes for various geometries, loads, and materials. Pre-loaded with specimen data from PCS Instruments machines and common materials, with options to add custom ones.

**Highlights:** Hertz contact pressure calculations, Contact size calculations, Load and material input, Pre-loaded specimen data, Custom material support, Circular and line contact calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### MathWake Loud Math Alarm Clock

[App page](https://appshunter.io/ios/app/mathwake-loud-math-alarm-clock/id6759845811)

This smart alarm clock uses interactive math and puzzle challenges to help heavy sleepers and those who struggle to wake up get out of bed. It offers customizable missions, including shake and wake-and-shake tasks, to ensure users are fully alert before dismissing their alarms.

**Highlights:** Math challenges, Puzzle missions, Shake challenges, Wake-and-shake tasks, Customizable difficulty, No-snooze options, Music alarms

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Weekly Premium | $2.99 | per 7 days |
| Premium Monthly | $6.99 | per month |
| Monthly Premium | $7.99 | per month |
| MathWake Premium Yearly | $29.99 | per year |
| Premium Yearly | $49.99 | per year |
| Yearly Premium | $52.99 | per year |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is PCS Instruments free?

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

### Is MathWake Loud Math Alarm Clock free?

MathWake Loud Math Alarm Clock is free to download, with in-app purchases available.

### Do PCS Instruments or MathWake Loud Math Alarm Clock have ads?

MathWake Loud Math Alarm Clock shows ads; PCS Instruments does not.

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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.*