# Die Klima App vs TeacherTool 7 Flex

The clearest difference is price: Die Klima App at Free against TeacherTool 7 Flex's $5.99. Die Klima App also leads on in-app purchases (none vs 9) and review sentiment (40% vs 8%). On ads and device support there is nothing between them.

Die Klima App is free to download; TeacherTool 7 Flex costs $5.99 up front. TeacherTool 7 Flex sells 9 one-off in-app purchases. Die Klima App asks for nothing beyond the download.

Die Klima App ships an update every 4 days, TeacherTool 7 Flex fortnightly. Both last shipped on October 14, 2026.

## The numbers

| Metric | Die Klima App | TeacherTool 7 Flex |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/die-klima-app/id1545947682/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **40.4% of reviews** | 8.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1.7 GB | 65 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WDR](https://appshunter.io/developer/728414655) | [Udo Hilwerling](https://appshunter.io/developer/305195007) |

## What reviewers say

### Die Klima App

[App page](https://appshunter.io/ios/app/die-klima-app/id1545947682)

Experience climate change impacts through immersive augmented reality modules. Learn about flood disasters, ocean pollution, forest fires, and personal stories of those affected by a changing climate. Includes interactive games and factual information.

**Highlights:** Augmented reality flood disaster simulation, Interactive 'Save the Sea' plastic cleanup game, Virtual forest fire experience, Personal stories of climate change impact, Offline functionality, Lesson plans for educators

**In-app purchases:** none


### 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 Die Klima App free?

Die Klima App is free to download, with no in-app purchases.

### Is TeacherTool 7 Flex free?

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

### Do Die Klima App or TeacherTool 7 Flex have ads?

Neither Die Klima App nor TeacherTool 7 Flex shows ads.

### Which is updated more often, Die Klima App or TeacherTool 7 Flex?

Die Klima App ships an update every 4 days, and TeacherTool 7 Flex fortnightly. Most recently, Die Klima App was updated on October 14, 2026 and TeacherTool 7 Flex on October 14, 2026.

---

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