# St Michael's vs Dual

The clearest difference is price: St Michael's at Free against Dual's $0.99. St Michael's also leads on rating (5.0 vs 4.8). Dual's advantage is review sentiment (90% vs 60%) and update cadence (every 2 days vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

St Michael's is free to download; Dual costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

St Michael's holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 60% of St Michael's's written reviews are positive against 90% of Dual's, so the app with the better star average is not the one people write more warmly about.

St Michael's ships an update every 7 months, Dual every 2 days. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | St Michael's | Dual |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/st-michaels/id1370167180/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/dual-n-back/id6744232772/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 60.0% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | **Free** | Paid |
| Size | 82 MB | 1 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [St Michaels Grammar School](https://appshunter.io/developer/1370167179) | [Andrew Tang](https://appshunter.io/developer/1806563018) |

## What reviewers say

### St Michael's

[App page](https://appshunter.io/ios/app/st-michaels/id1370167180)

This app enhances home-school communication with features like personalized notifications, direct messaging between parents, teachers, and students, and an e-diary for tracking schedules and assignments. It provides easy access to school news, contact information, and timetables.

**Highlights:** Personalized notifications, Direct messaging, e-Diary for schedules, Assignment due date reminders, School news and newsletters, Dynamic timetable access

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

**In-app purchases:** none


### Dual

[App page](https://appshunter.io/ios/app/dual-n-back/id6744232772)

This cognitive training game is designed to enhance working memory through a simple yet challenging experience. It offers a clean interface with detailed history tracking and customizable gameplay and aesthetics. All data is stored locally for enhanced privacy.

**Highlights:** Working memory improvement, Detailed game history, Replay previous rounds, Gameplay customization, Aesthetic customization, Local data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is St Michael's free?

St Michael's is free to download, with no in-app purchases.

### Is Dual free?

Dual costs $0.99, with no in-app purchases.

### Which has better reviews, St Michael's or Dual?

St Michael's is rated higher. St Michael's averages 5.0 out of 5 from 1 ratings, while Dual averages 4.8 from 4 ratings.

### Do St Michael's or Dual have ads?

Neither St Michael's nor Dual shows ads.

### Which is updated more often, St Michael's or Dual?

St Michael's ships an update every 7 months, and Dual every 2 days. Most recently, St Michael's was updated on November 2, 2026 and Dual on November 8, 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.*