# Principia vs Math Spark

Principia and Math Spark are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Principia ships an update every 3 weeks, Math Spark every 6 weeks. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Principia | Math Spark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 46 MB | 52 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Abdul Rafeeque Parakkal](https://appshunter.io/developer/1464562964) | [Alakmalak](https://appshunter.io/developer/406782291) |

## What reviewers say

### Principia

[App page](https://appshunter.io/ios/app/principia-the-learning-app/id1540900536)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Spark

[App page](https://appshunter.io/ios/app/math-spark/id6448500467)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Principia free?

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

### Is Math Spark free?

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

### Do Principia or Math Spark have ads?

Neither Principia nor Math Spark shows ads.

### Which is updated more often, Principia or Math Spark?

Principia ships an update every 3 weeks, and Math Spark every 6 weeks. Most recently, Principia was updated on October 9, 2026 and Math Spark on October 25, 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.*