Klax Teacher vs ProtAct17
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Klax Teacher
Read full descriptionHide full description
With Klax Teacher from Klax you can administrate everything about the daycare, including the children, parents and teachers. Klax Teacher is a tool for creating diaries, news, bulletins, accessing the childrenβs index cards, as well as communicating with other users and much more.
ProtAct17
Read full descriptionHide full description
The app aims to provide children and adolescents with a playful approach to the complex topic of sustainability and the 17 sustainability goals of the United Nations. ProtAct17 imparts knowledge in an age-appropriate and interactive way, arouses curiosity and the spirit of research through virtual and real experiments, addresses current and future challenges for the environment, economy and society and shows their own β albeit small β possibilities for action. Inspiring and empowering students to protect the environment (Protect) and to take action in line with the 17 sustainability goals of the United Nations (Act) β this is the idea behind the app. Using the scan mode, children can bring the app's poster to life and explore the topics step by step.
Screenshots
Verdict
The clearest difference is update cadence: Klax Teacher at every 2 months against ProtAct17's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Klax Teacher ships an update every 2 months, ProtAct17 every 9 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.
| Parameter | Klax Teacher | ProtAct17 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months β better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 β better | 13.0 |
| Further details β not scored | ||
| Size | 17 MB | 187 MB |
| Age rating | 4+ | 4+ |
| Developer | Klax Kreativ UG (haftungsbeschraenkt) | KIDS interactive GmbH |
In-app purchases
Klax Teacher
No in-app purchases
ProtAct17
No in-app purchases








