iTeo vs ProtAct17
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
iTeo
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With iTeo stories in any target language can be produced while relying on the native language for discussing and negotiating the contents of the story as well as the language forms needed. Within schools iTeo can perform a differentiated lot of didactical approaches to oral language learning. iTeo outgrows the βsimpleβ tool metaphor so often referred to when it comes to describe the implementation and the role of technological devices in the learning and educational processes. iTeo offers opportunities of language production and of sustained language learning in the distributed network and association of human and non-human.
ProtAct17
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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 device support: ProtAct17 at 3 against iTeo's 1. iTeo's advantage is iOS requirement (8.0 vs 13.0). On price, update cadence, ads and in-app purchases 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.
iTeo ships an update every 8 months, ProtAct17 every 9 months. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.
| Parameter | iTeo | ProtAct17 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months β better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPhone, iPad, iPod β better |
| Requires iOS | 8.0 β better | 13.0 |
| Further details β not scored | ||
| Size | 4 MB | 187 MB |
| Age rating | 4+ | 4+ |
| Developer | Bazinga sarl | KIDS interactive GmbH |
In-app purchases
iTeo
No in-app purchases
ProtAct17
No in-app purchases









