# K vs Owlet

The clearest difference is iOS requirement: K at 10.0 against Owlet's 12.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for K against 5.0 for Owlet. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

K ships an update every 4 months, Owlet every 3 months. The most recent releases landed on June 25, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | K | Owlet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/k-2-math-tools/id1000444174/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/owlet-glowgrid/id1540125619/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 35 MB | 124 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPad | **iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Classroom Focused Software](https://appshunter.io/developer/406741679) | [BirdBrain Technologies LLC](https://appshunter.io/developer/1012525349) |

## 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


### Owlet

[App page](https://appshunter.io/ios/app/owlet-glowgrid/id1540125619)

This app uses a physical manipulative to teach arithmetic operations. Students model addition, subtraction, multiplication, and division using colored lights on a board, with the app reflecting their work in real-time. It offers various modes for exploration, problem-solving, and creation.

**Highlights:** Model arithmetic operations with colored lights, Real-time app and board synchronization, Addition, Subtraction, Multiplication, Division modes, Explore, Make, Solve, Find, and Create activities, Supports missing number problems, Create custom arithmetic problems

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is Owlet free?

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

### Which has better reviews, K or Owlet?

K and Owlet are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do K or Owlet have ads?

Neither K nor Owlet shows ads.

### Which is updated more often, K or Owlet?

K ships an update every 4 months, and Owlet every 3 months. Most recently, K was updated on June 25, 2026 and Owlet on September 8, 2026.

---

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