# Simple Power Grader vs TeacherTool 7 Flex

The clearest difference is review sentiment: Simple Power Grader at 56% against TeacherTool 7 Flex's 8%. Simple Power Grader also leads on price (Free vs $5.99). TeacherTool 7 Flex's advantage is update cadence (fortnightly vs every 2 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Simple Power Grader is free to download; TeacherTool 7 Flex costs $5.99 up front. Simple Power Grader sells 2 in-app purchases, starting at $2.49 per 6 months and TeacherTool 7 Flex sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Simple Power Grader ships an update every 2 months, TeacherTool 7 Flex fortnightly. The most recent releases landed on September 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Simple Power Grader | TeacherTool 7 Flex |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Positive reviews | **55.6% of reviews** | 8.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| 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 Flex

[App page](https://appshunter.io/ios/app/teachertool-7-flex/id1638672996)

Configure your grading and student tracking tool with flexible modules. Manage courses, students, and grades with professional features. Enhance functionality with optional purchases for attendance, timetables, and more.

**Highlights:** Create unlimited courses and manage students, Professional grading features, Track student educational performance, Optional modules for advanced features, Supports various grading systems

**Features:** Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Networking | $1.99 | one-time |
| Checklists | $2.99 | one-time |
| Register | $2.99 | one-time |
| Export | $2.99 | one-time |
| Printing | $2.99 | one-time |
| Timetable | $3.99 | one-time |
| Absence management | $3.99 | one-time |
| Seating plan | $3.99 | one-time |
| Types of grades for exams | $3.99 | one-time |


## Frequently asked questions

### Is Simple Power Grader free?

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

### Is TeacherTool 7 Flex free?

TeacherTool 7 Flex costs $5.99, and also offers in-app purchases.

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

Neither Simple Power Grader nor TeacherTool 7 Flex shows ads.

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

Simple Power Grader ships an update every 2 months, and TeacherTool 7 Flex fortnightly. Most recently, Simple Power Grader was updated on September 22, 2026 and TeacherTool 7 Flex on October 27, 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.*