# SAS Math Stretch vs Critical Thinking Activities

The clearest difference is price: SAS Math Stretch at Free against Critical Thinking Activities's $1.99. SAS Math Stretch also leads on update cadence (every 10 months vs every 26 months) and iOS requirement (9.1 vs 13.2). On ads, in-app purchases and device support there is nothing between them.

SAS Math Stretch is free to download; Critical Thinking Activities costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SAS Math Stretch ships an update every 10 months, Critical Thinking Activities every 26 months. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SAS Math Stretch | Critical Thinking Activities |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sas-math-stretch/id607137453/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 26 months |
| Monetization | Free | — |
| Size | 88 MB | 20 MB |
| Requires iOS | **9.1** | 13.2 |
| Devices | iPad | **iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SAS Institute Inc.](https://appshunter.io/developer/364784971) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### 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


### Critical Thinking Activities

[App page](https://appshunter.io/ios/app/critical-thinking-activities/id1493209960)

**In-app purchases:** none


## Frequently asked questions

### Is SAS Math Stretch free?

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

### Is Critical Thinking Activities free?

Critical Thinking Activities costs $1.99, with no in-app purchases.

### Do SAS Math Stretch or Critical Thinking Activities have ads?

Neither SAS Math Stretch nor Critical Thinking Activities shows ads.

### Which is updated more often, SAS Math Stretch or Critical Thinking Activities?

SAS Math Stretch ships an update every 10 months, and Critical Thinking Activities every 26 months. Most recently, SAS Math Stretch was updated on October 23, 2026 and Critical Thinking Activities on October 18, 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.*