# SternbergTests vs Lorraine Helper

The clearest difference is in-app purchases: SternbergTests at none against Lorraine Helper's 1. SternbergTests also leads on iOS requirement (15.0 vs 18.6). Lorraine Helper's advantage is update cadence (every 5 days vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Lorraine Helper sells 1 in-app purchase, starting at $11.99 per month. SternbergTests asks for nothing beyond the download.

SternbergTests ships an update every 9 months, Lorraine Helper every 5 days. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SternbergTests | Lorraine Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sternbergtests/id1531083988/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 4 MB | 18 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CereScape Pty Ltd](https://appshunter.io/developer/722047803) | [RedArrow](https://appshunter.io/developer/1821181141) |

## What reviewers say

### 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


### Lorraine Helper

[App page](https://appshunter.io/ios/app/lorraine-helper/id6752116108)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $11.99 | per month |


## Frequently asked questions

### Is SternbergTests free?

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

### Is Lorraine Helper free?

Lorraine Helper is free to download, with in-app purchases available.

### Do SternbergTests or Lorraine Helper have ads?

Neither SternbergTests nor Lorraine Helper shows ads.

### Which is updated more often, SternbergTests or Lorraine Helper?

SternbergTests ships an update every 9 months, and Lorraine Helper every 5 days. Most recently, SternbergTests was updated on October 18, 2026 and Lorraine Helper on October 28, 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.*