Tacpac vs Oti
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tacpac
This app offers specially created music sets designed to benefit individuals with sensory processing difficulties, including children, adults, and those with memory loss or sensory impairment. All music can be played offline after logging in with your account details.
- Sensory processing support
- Music sets for various needs
- Offline playback
- Website account sync
- Suitable for all ages
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Tacpac is hugely beneficial for people who have sensory processing difficulties. This can mean anyone of any age or stage of ability. Tacpac is effective with: - young children - adults and older people - anyone who may be suffering from sensory impairment or loss of memory Whit this app you can play all the specially created music offline for each Tacpac Set you are subscribed to. HOW TO USE: Login using your Tacpac account details so the app can sync with your website account and you are then good to go!
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: Oti at every 5 months against Tacpac's every 45 months. Tacpac's advantage is 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.
Tacpac ships an update every 45 months, Oti every 5 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | Tacpac | Oti |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| Update frequency | Every 45 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 12.4 — better | 13.0 |
| Further details — not scored | ||
| Size | 15 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | TACPAC LTD | TTS Group Limited |
In-app purchases
Tacpac
No in-app purchases
Oti
No in-app purchases
