# Simple Power Grader vs TeacherTool 7

The clearest difference is price: Simple Power Grader at Free against TeacherTool 7's $24.99. TeacherTool 7's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 2 months). On review sentiment, ads, device support and iOS requirement there is nothing between them.

Simple Power Grader is free to download; TeacherTool 7 costs $24.99 up front. Simple Power Grader sells 2 in-app purchases, starting at $2.49 per 6 months. TeacherTool 7 asks for nothing beyond the download.

Simple Power Grader ships an update every 2 months, TeacherTool 7 fortnightly. The most recent releases landed on September 22, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Simple Power Grader | TeacherTool 7 |
| --- | --- | --- |
| Price | **Free** | $24.99 |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/teachertool-7/id1606505499/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **55.6% of reviews** | 47.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 79 MB | 65 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lehrerfreund GmbH](https://appshunter.io/developer/1560701914) | [Udo Hilwerling](https://appshunter.io/developer/305195007) |

## What reviewers say

### Simple Power Grader

[App page](https://appshunter.io/ios/app/simple-power-grader/id1603627742)

This app offers a simple yet powerful tool for educators to create and apply custom grading scales. It supports various international grading systems and allows for detailed customization of how scores are translated into grades, ensuring fair and transparent evaluation.

**Highlights:** Customizable grading scales, Supports international grading systems, Option to count half points, Error grading scale option, Multiple output formats for grades, Save and export grading scales (Pro), Data protection focused

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Abonnement (6 Monate) | $2.49 | per 6 months |
| Pro Abonnement (1 Jahr) | $4.49 | per year |


### TeacherTool 7

[App page](https://appshunter.io/ios/app/teachertool-7/id1606505499)

This app streamlines teacher administration by combining a digital calendar, notebook, and timetable. It offers robust data security, customizable grading systems, and tools for tracking attendance, planning lessons, and managing student information.

**Highlights:** Digital calendar, notebook, and timetable, Secure student data management, Customizable grading systems (numeric, symbolic, emojis), Attendance tracking and absence excuses, Lesson planning and material attachment, Automatic grade calculation, Interactive seating charts

**In-app purchases:** none


## Frequently asked questions

### Is Simple Power Grader free?

Simple Power Grader is free to download, with in-app purchases available.

### Is TeacherTool 7 free?

TeacherTool 7 costs $24.99, with no in-app purchases.

### Do Simple Power Grader or TeacherTool 7 have ads?

Neither Simple Power Grader nor TeacherTool 7 shows ads.

### Which is updated more often, Simple Power Grader or TeacherTool 7?

Simple Power Grader ships an update every 2 months, and TeacherTool 7 fortnightly. Most recently, Simple Power Grader was updated on September 22, 2026 and TeacherTool 7 on October 30, 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.*