# Number Pieces, by MLC vs Owlet

The clearest difference is rating: Number Pieces, by MLC at 3.9 against Owlet's 1.0. Number Pieces, by MLC also leads on ratings volume (22 vs 1). Owlet's advantage is iOS requirement (12.0 vs 14.7). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Number Pieces, by MLC holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Number Pieces, by MLC has 22 ratings behind it against 1, so its average is the more settled of the two.

Number Pieces, by MLC ships an update every 9 months, Owlet every 6 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Number Pieces, by MLC | Owlet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (22 ratings)](https://appshunter.io/ios/app/number-pieces-by-mlc/id605433778/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/owlet-cube3/id1533414683/reviews) |
| Number of ratings | **22** | 1 |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 8 MB | 123 MB |
| Requires iOS | 14.7 | **12.0** |
| Devices | iPad | **iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [BirdBrain Technologies LLC](https://appshunter.io/developer/1012525349) |

## What reviewers say

### Number Pieces, by MLC

[App page](https://appshunter.io/ios/app/number-pieces-by-mlc/id605433778)

This app helps students grasp place value and computation with multi-digit numbers using interactive visual tools. Users can manipulate number pieces to add, subtract, multiply, and divide, fostering a deeper mathematical understanding.

**Highlights:** Manipulate ones, tens, and hundreds pieces, Regroup pieces (e.g., 10 ones to 1 ten), Measure array dimensions with an edge piece, Use drawing and text tools for annotations, Zoom, scroll, and hide/reveal work, Share work via image save or share code

**Features:** macOS Compatibility

**In-app purchases:** none


### Owlet

[App page](https://appshunter.io/ios/app/owlet-cube3/id1533414683)

This app uses a physical manipulative to teach place value concepts. It offers five distinct modes covering tens, hundreds, money, hundredths, and thousandths, with interactive activities for exploration, creation, and problem-solving.

**Highlights:** Place value learning, Tens, Hundreds, Money modes, Hundredths and Thousandths modes, Explore, Make, Build activities, Compare and Round functions, Interactive number puzzles

**In-app purchases:** none


## Frequently asked questions

### Is Number Pieces, by MLC free?

Number Pieces, by MLC 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, Number Pieces, by MLC or Owlet?

Number Pieces, by MLC is rated higher. Number Pieces, by MLC averages 3.9 out of 5 from 22 ratings, while Owlet averages 1.0 from 1 ratings.

### Do Number Pieces, by MLC or Owlet have ads?

Neither Number Pieces, by MLC nor Owlet shows ads.

### Which is updated more often, Number Pieces, by MLC or Owlet?

Number Pieces, by MLC ships an update every 9 months, and Owlet every 6 months. Most recently, Number Pieces, by MLC was updated on October 23, 2026 and Owlet on October 27, 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.*