Summatic vs CELTICS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Summatic
Master complex STEM concepts with interactive lessons and unlimited practice questions. Tailored for A-level, IB, GCSE, and university courses, this app offers step-by-step guidance and dynamic visualizations to enhance learning. Explore topics through clear explanations and engaging examples.
- Unlimited practice questions
- Step-by-step learning with feedback
- Interactive graphs and visualizations
- Easy navigation and search
- Tailored for various academic levels
- Exam board coverage
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Summatic is an app for STEM students, designed and developed by Cambridge academics. Clear explanations and interactive examples take you on step-by-step journeys through exam topics, so you can master difficult concepts easily. Our resources are tailored to school maths (A-level, IB, (I)GCSE with full exam board coverage), and university courses including economics, physical sciences, biosciences, and business courses, to help you learn exactly what you need to succeed in your course. Key features: Unlimited Practice Questions: Keep busy with authentic questions in a wide range of complex formats for advanced STEM subjects – including formulas, matrices, arguments, graphs, and more – are reliably evaluated by our technology. Step-by-Step Learning: If you get a question wrong, you can see feedback on your steps, you can try to correct your answer, you can see a full worked solution, and you can try again on a new randomized variant. Interactive Graphs: Bring complex concepts to life by dragging points to watch how graphs change. Dynamic animated graphs allow you to visualize tricky topics in statistics, geometry, and more. Easy Navigation: Topics and sub-topics are clearly categorised on the contents page. Use the search function to jump directly into a topic, and dive straight back into your work with recently viewed pages showing on the home screen. ...But don’t just take our word for it, download the app for a free 7-day trial and start practising questions now! Students: write to us and refer your school or university! And we’ll reach out to discuss integrating Summatic into your curriculum. Feedback and bug reports: If you encounter any technical issues, please use the feedback button in the app or email us at contact@summatic.co.uk for support. Always looking to improve, we are happy to listen to any feedback you may have!
CELTICS
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The ‘Co-curricular Extracurricular Learning Toward Innovative Comprehensive Soft-skills’ (CELTICS) programme encourages students to make use of the e-portfolio system and CELTICS app to take ownership of their learning. This app allows students to create their own e-portfolio and showcase their co-curricular and extra-curricular activities. It also provides some useful features like blogs and photo gallery.
Screenshots
Verdict
The clearest difference is iOS requirement: CELTICS at 12.0 against Summatic's 15.0. On price, update cadence, ads and in-app purchases 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.
Summatic ships an update fortnightly, CELTICS every 3 weeks. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.
| Parameter | Summatic | CELTICS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Summatic Ltd | Hong Kong Metropolitan University |
In-app purchases
Summatic
No in-app purchases
CELTICS
No in-app purchases









