# Ré nao Platform vs Day Genius

The clearest difference is in-app purchases: Ré nao Platform at none against Day Genius's 1. Ré nao Platform also leads on iOS requirement (15.0 vs 26.0). Day Genius's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Day Genius sells 1 one-off in-app purchase. Ré nao Platform asks for nothing beyond the download.

Ré nao Platform ships an update every 4 months, Day Genius every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ré nao Platform | Day Genius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/day-genius/id6801888644/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 6 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Uthman Pantina](https://appshunter.io/developer/1849008096) | [Craig Ricks](https://appshunter.io/developer/6801888646) |

## What reviewers say

### Ré nao Platform

[App page](https://appshunter.io/ios/app/re-nao-platform/id6754576374)

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

**In-app purchases:** none


### Day Genius

[App page](https://appshunter.io/ios/app/day-genius/id6801888644)

Learn to calculate the weekday for any date without a calendar or phone. This app teaches a step-by-step method with interactive drills and games to master the skill. Unlock advanced features with a one-time purchase.

**Highlights:** Step-by-step weekday calculation method, Interactive drills and flashcards, Two engaging practice games, Progress tracking and weak-spot identification, Reference tables for calculations, Support for historical calendar rules

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Method | $3.99 | one-time |


## Frequently asked questions

### Is Ré nao Platform free?

Ré nao Platform is free to download, with no in-app purchases.

### Is Day Genius free?

Day Genius is free to download, with in-app purchases available.

### Do Ré nao Platform or Day Genius have ads?

Neither Ré nao Platform nor Day Genius shows ads.

### Which is updated more often, Ré nao Platform or Day Genius?

Ré nao Platform ships an update every 4 months, and Day Genius every 2 weeks. Most recently, Ré nao Platform was updated on October 30, 2026 and Day Genius on October 31, 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.*