Rolf Connect Math vs Oti
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rolf Connect Math
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App for use with Rolf Connect, Math and Number sense Rolf Connect combines physical learning with 21st century skills. Using 14 challenging games, children will practice their number sense and math skills in a playful environment. There are 4 games available by default. By using the Rolf Connect hub & the physical block all 14 games will be unlocked for you to play with. Learning has never been this much fun! The hub and set of blocks can be bought at Rolf Education: http://rolfeducation.com/
Oti
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A comprehensive app to control the TTS Oti-Bot from your iPad. Easily connect to the robot via a QR code and make use of various features such as motors, pen control, LEDs, head movement, line following, colour sensing, setting emotions, facial recognition, taking photos and recording audio or video. Oti-Bot can even stream video so students can watch on as their program is executed. Programs can be created using a block-based programming environment to stretch and challenge even further.
Screenshots
Verdict
The clearest difference is update cadence: Rolf Connect Math at every 3 months against Oti's every 5 months. Rolf Connect Math also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Rolf Connect Math ships an update every 3 months, Oti every 5 months. The most recent releases landed on May 17, 2026 and September 18, 2026 respectively.
| Parameter | Rolf Connect Math | Oti |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 12.2 — better | 13.0 |
| Further details — not scored | ||
| Size | 251 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | de Rolf groep BV | TTS Group Limited |
In-app purchases
Rolf Connect Math
No in-app purchases
Oti
No in-app purchases
Questions
Is Rolf Connect Math free?
Is Oti free?
Do Rolf Connect Math or Oti have ads?
Which is updated more often, Rolf Connect Math or Oti?
Other comparisons
