# MathNotes vs KnixKids

MathNotes and KnixKids 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. MathNotes sells 1 in-app purchase, starting at $2.99 per month and KnixKids sells 9 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

MathNotes ships an update every 11 days, KnixKids every 3 weeks. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | MathNotes | KnixKids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (51 ratings)](https://appshunter.io/ios/app/mathnotes-math-problem-solver/id6453477170/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 61 MB | 44 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [KnixKids Limited](https://appshunter.io/developer/1891782515) |

## What reviewers say

### MathNotes

[App page](https://appshunter.io/ios/app/mathnotes-math-problem-solver/id6453477170)

This app helps students with math by offering effortless note-taking, organized study materials, and an AI-powered solver for equations. It provides step-by-step explanations to ensure understanding and includes a floating calculator for simultaneous use.

**Highlights:** Effortless note-taking for equations and concepts, Organized study notes with categorization, AI Math Solver with step-by-step explanations, Floating calculator for simultaneous use, Study notes on the go

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $2.99 | per month |


### KnixKids

[App page](https://appshunter.io/ios/app/knixkids/id6761859528)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knixkid Starter Monthly | $19.99 | per month |
| Knixkid Basic Monthly | $39.99 | per month |
| Knixkid Basic Monthly | $79.99 | per month |
| Knixkid Starter Yearly | $190.00 | per year |
| Knixkid Basic Yearly | $390.00 | per year |
| Knixkid Pro Yearly | $790.00 | per year |
| Knixkids small pack | $12.99 | one-time |
| Knixkids medium pack | $24.99 | one-time |
| Knixkids large pack | $59.99 | one-time |


## Frequently asked questions

### Is MathNotes free?

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

### Is KnixKids free?

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

### Do MathNotes or KnixKids have ads?

Neither MathNotes nor KnixKids shows ads.

### Which is updated more often, MathNotes or KnixKids?

MathNotes ships an update every 11 days, and KnixKids every 3 weeks. Most recently, MathNotes was updated on October 1, 2026 and KnixKids on September 17, 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.*