# Mathstrack vs Did You Know..

The clearest difference is device support: Mathstrack at 3 against Did You Know..'s 1. Mathstrack also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Mathstrack sells 4 in-app purchases, starting at $9.00 per month and Did You Know.. sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mathstrack ships an update every 8 days, Did You Know.. every 5 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Mathstrack | Did You Know.. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/did-you-know/id6761013561/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 43 MB | 4 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Mc Carron](https://appshunter.io/developer/1793477247) | [柏生 杨](https://appshunter.io/developer/1887198371) |

## What reviewers say

### Mathstrack

[App page](https://appshunter.io/ios/app/mathstrack/id6741184811)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.00 | per month |
| Monthly Plan | $19.99 | per month |
| Yearly Plan | $100.00 | per year |
| Annual Plan | $119.99 | per year |


### Did You Know..

[App page](https://appshunter.io/ios/app/did-you-know/id6761013561)

Discover fascinating facts across various subjects in a quick and engaging format. This app delivers bite-sized insights without lengthy reading or pressure, making learning accessible and memorable.

**Highlights:** Short, impactful facts, Bite-sized learning, Covers science, psychology, history, Engaging swipe interface, No long reading required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited Facts | $3.99 | one-time |


## Frequently asked questions

### Is Mathstrack free?

Mathstrack is free to download, with in-app purchases available.

### Is Did You Know.. free?

Did You Know.. is free to download, with in-app purchases available.

### Do Mathstrack or Did You Know.. have ads?

Neither Mathstrack nor Did You Know.. shows ads.

### Which is updated more often, Mathstrack or Did You Know..?

Mathstrack ships an update every 8 days, and Did You Know.. every 5 days. Most recently, Mathstrack was updated on October 2, 2026 and Did You Know.. on October 15, 2026.

---

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