# K vs Montessori Math

The clearest difference is rating: K at 5.0 against Montessori Math's 3.5. K also leads on in-app purchases (none vs 2) and iOS requirement (10.0 vs 12.0). Montessori Math's advantage is ratings volume (6 vs 1) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Montessori Math sells 2 in-app purchases, starting at $3.99 per month. K asks for nothing beyond the download.

K holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Montessori Math has 6 ratings behind it against 1, so its average is the more settled of the two.

K ships an update every 4 months, Montessori Math every 3 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | K | Montessori Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-2-math-tools/id1000444174/reviews)** | [3.5 (6 ratings)](https://appshunter.io/ios/app/montessori-math/id1528038775/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 385 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Classroom Focused Software](https://appshunter.io/developer/406741679) | [Rantek Inc.](https://appshunter.io/developer/319592818) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-2-math-tools/id1000444174)

This app provides a collection of interactive math tools for kindergarten through second-grade classrooms. It includes manipulatives like base 10 blocks, counters, and number lines, along with grids and a basic calculator to aid in problem-solving.

**Highlights:** Marker board, Base 10 blocks (1s & 10s), Counters, 10 frames, Number line, Addition grids, 100s chart, Basic calculator

**Features:** macOS Compatibility

**In-app purchases:** none


### Montessori Math

[App page](https://appshunter.io/ios/app/montessori-math/id1528038775)

This app teaches math concepts for children aged 3 and up, from basic preschool skills to arithmetic. It features interactive activities like the Hundred Board and Fractions, designed with Montessori principles. Audio and graphics support non-readers.

**Highlights:** Interactive math activities, Montessori-inspired learning, Covers preschool to arithmetic, Audio and visual support, Self-correcting activities, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Montessori Math Monthly Sub. | $3.99 | per month |
| Montessori Math Yearly Sub. | $39.99 | per year |


## Frequently asked questions

### Is K free?

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

### Is Montessori Math free?

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

### Which has better reviews, K or Montessori Math?

K is rated higher. K averages 5.0 out of 5 from 1 ratings, while Montessori Math averages 3.5 from 6 ratings.

### Do K or Montessori Math have ads?

Neither K nor Montessori Math shows ads.

### Which is updated more often, K or Montessori Math?

K ships an update every 4 months, and Montessori Math every 3 months. Most recently, K was updated on October 16, 2026 and Montessori Math on October 7, 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.*