# Summatic vs CELTICS

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.

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.

## The numbers

| Metric | Summatic | CELTICS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/summatic/id1582461128/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 74 MB | 32 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Summatic Ltd](https://appshunter.io/developer/1582461130) | [Hong Kong Metropolitan University](https://appshunter.io/developer/432474107) |

## What reviewers say

### Summatic

[App page](https://appshunter.io/ios/app/summatic/id1582461128)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CELTICS

[App page](https://appshunter.io/ios/app/celtics/id6443766526)

**In-app purchases:** none


## Frequently asked questions

### Is Summatic free?

Summatic is free to download, with no in-app purchases.

### Is CELTICS free?

CELTICS is free to download, with no in-app purchases.

### Do Summatic or CELTICS have ads?

Neither Summatic nor CELTICS shows ads.

### Which is updated more often, Summatic or CELTICS?

Summatic ships an update fortnightly, and CELTICS every 3 weeks. Most recently, Summatic was updated on October 10, 2026 and CELTICS on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*