AI tool summary for DPOs and governors
Times Tables Rock Stars / NumBots
Maths Circle Ltd · Facts last checked 2026-10-23 · Printed 23 October 2026
AI Prefect
Staff: Amber · Use with caution
- Doesn’t say whether it trains on what you type
Pupils: Amber · Use with caution
- Doesn’t say whether it trains on what you type
- Minimum age not stated
| Supplier | Maths Circle Ltd |
|---|---|
| Category | maths practice |
| Pupil-facing | yes |
| Processor or controller | processor (school is controller) |
| Where data is stored | Europe (Hetzner Germany, AWS and Heroku EU) |
| Trains AI models on inputs | not stated |
| How long inputs are kept | pupil data deleted 90 days after subscription lapses |
| Data processing agreement (DPA) | https://mathscircle.com/uploads/Maths_Circle_Ltd_Terms_and_Conditions.pdf |
| Signs individual DPAs with schools | not stated |
| UK GDPR representative / DPO | not stated |
| Minimum age | not stated |
| Key safety note | adaptive practice, not generative AI; states AADC compliance; no chat or ads |
| Main use | Adaptive maths practice |
Better-rated alternatives for the same use: Dr Frost Learning (Green)
Before using it: check the minimum age fits your pupils, confirm a data processing agreement is in place, switch off AI training where possible, and record the decision in your DPIA.
Sources: https://mathscircle.com/privacy-notice/ · https://mathscircle.com/uploads/Maths_Circle_GDPR_and_Data_Protection_FAQs.pdf · https://mathscircle.com/uploads/Maths_Circle_Ltd_Terms_and_Conditions.pdf
Full entry: aiprefect.co.uk/tools/times-tables-rock-stars-numbots. Rating is a rules-based summary of the supplier’s published terms. “Not stated” means we could not find it in their documents. This is not legal advice and does not replace your DPIA.