# Number Therapy Lite vs SternbergTests

The clearest difference is review sentiment: Number Therapy Lite at 100% against SternbergTests's 0%. Number Therapy Lite also leads on rating (4.8 vs 1.0) and ratings volume (135 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.

Number Therapy Lite holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Number Therapy Lite has 135 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Number Therapy Lite's written reviews are positive against 0% of SternbergTests's.

Number Therapy Lite ships an update every 5 months, SternbergTests every 9 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Number Therapy Lite | SternbergTests |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (135 ratings)](https://appshunter.io/ios/app/number-therapy-lite/id1002098877/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/sternbergtests/id1531083988/reviews) |
| Number of ratings | **135** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 7 MB | 4 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tactus Therapy Solutions Ltd.](https://appshunter.io/developer/438070002) | [CereScape Pty Ltd](https://appshunter.io/developer/722047803) |

## What reviewers say

### Number Therapy Lite

[App page](https://appshunter.io/ios/app/number-therapy-lite/id1002098877)

Practice understanding, saying, and typing numbers to improve essential communication skills. This app helps stroke survivors and others gain independence by strengthening their ability to communicate numbers in various contexts.

**Highlights:** Number comprehension practice, Speech and pronunciation exercises, Typing numbers, Customizable interface, Progress tracking, Evidence-based approach

**In-app purchases:** none


### SternbergTests

[App page](https://appshunter.io/ios/app/sternbergtests/id1531083988)

This app supports various stimuli for working memory testing, including numbers, letters, and words. It offers customizable span selection, randomized order, and detailed timing settings. Results can be exported in spreadsheet or XML formats, and shared as PDFs.

**Highlights:** Multiple stimulus types (numbers, letters, words), Adjustable span selection (1-7), Randomized span order and display, Customizable timing settings, Graph-based results visualization, Exportable data (spreadsheet, XML), Shareable PDF reports

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Therapy Lite free?

Number Therapy Lite is free to download, with no in-app purchases.

### Is SternbergTests free?

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

### Which has better reviews, Number Therapy Lite or SternbergTests?

Number Therapy Lite is rated higher. Number Therapy Lite averages 4.8 out of 5 from 135 ratings, while SternbergTests averages 1.0 from 1 ratings.

### Do Number Therapy Lite or SternbergTests have ads?

Neither Number Therapy Lite nor SternbergTests shows ads.

### Which is updated more often, Number Therapy Lite or SternbergTests?

Number Therapy Lite ships an update every 5 months, and SternbergTests every 9 months. Most recently, Number Therapy Lite was updated on October 24, 2026 and SternbergTests 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.*