# Number Pieces, by MLC vs SAS Math Stretch

The clearest difference is rating: SAS Math Stretch at 5.0 against Number Pieces, by MLC's 3.9. SAS Math Stretch also leads on review sentiment (100% vs 88%) and iOS requirement (9.1 vs 14.7). Number Pieces, by MLC's advantage is ratings volume (22 vs 1). 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.

SAS Math Stretch holds the better App Store score, 5.0 against 3.9. 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. Written reviews point the same way: 88% of Number Pieces, by MLC's written reviews are positive against 100% of SAS Math Stretch's.

Number Pieces, by MLC ships an update every 9 months, SAS Math Stretch every 10 months. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Number Pieces, by MLC | SAS Math Stretch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (22 ratings)](https://appshunter.io/ios/app/number-pieces-by-mlc/id605433778/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sas-math-stretch/id607137453/reviews)** |
| Number of ratings | **22** | 1 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 10 months |
| Monetization | Free | Free |
| Size | 8 MB | 88 MB |
| Requires iOS | 14.7 | **9.1** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [SAS Institute Inc.](https://appshunter.io/developer/364784971) |

## 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


### SAS Math Stretch

[App page](https://appshunter.io/ios/app/sas-math-stretch/id607137453)

This app offers a variety of interactive activities designed to build elementary math skills and number sense. It covers counting, number relations, operations, and time-telling with customizable difficulty levels. Progress can be easily shared with parents and teachers.

**Highlights:** Counting and number relations activities, Time telling and manipulation exercises, Practice and quiz modes, Customizable difficulty levels, Progress sharing with parents/teachers, Whole numbers, fractions, and decimals support

**Features:** macOS Compatibility

**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 SAS Math Stretch free?

SAS Math Stretch is free to download, with no in-app purchases.

### Which has better reviews, Number Pieces, by MLC or SAS Math Stretch?

SAS Math Stretch is rated higher. Number Pieces, by MLC averages 3.9 out of 5 from 22 ratings, while SAS Math Stretch averages 5.0 from 1 ratings.

### Do Number Pieces, by MLC or SAS Math Stretch have ads?

Neither Number Pieces, by MLC nor SAS Math Stretch shows ads.

### Which is updated more often, Number Pieces, by MLC or SAS Math Stretch?

Number Pieces, by MLC ships an update every 9 months, and SAS Math Stretch every 10 months. Most recently, Number Pieces, by MLC was updated on November 1, 2026 and SAS Math Stretch on November 10, 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.*