# Visual Guide to the Holy Mass vs KeysClass

The clearest difference is price: KeysClass at Free against Visual Guide to the Holy Mass's $4.99. KeysClass also leads on update cadence (every 12 months vs every 25 months). Visual Guide to the Holy Mass's advantage is iOS requirement (12.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

KeysClass is free to download; Visual Guide to the Holy Mass costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Visual Guide to the Holy Mass ships an update every 25 months, KeysClass every 12 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Visual Guide to the Holy Mass | KeysClass |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/visual-guide-to-the-holy-mass/id696067301/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 12 months** |
| Monetization | Paid | — |
| Size | 638 MB | 1 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [School and Family C.I.C.](https://appshunter.io/developer/696067304) | [YiLin Wen](https://appshunter.io/developer/1110629566) |

## What reviewers say

### Visual Guide to the Holy Mass

[App page](https://appshunter.io/ios/app/visual-guide-to-the-holy-mass/id696067301)

This app offers a graphical representation of the Order of Mass, serving as a catechetical tool for families. It aims to help users participate more fully in the Eucharist by providing a learning resource inspired by Montessori and Cavalletti methods.

**Highlights:** Graphical representation of the Order of Mass, Catechetical tool for families, Liturgy of the Word and Eucharist sections, Inspired by Montessori and Cavalletti, Supports family faith sharing and dialogue

**Features:** macOS Compatibility

**In-app purchases:** none


### KeysClass

[App page](https://appshunter.io/ios/app/keysclass/id1486556540)

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

**In-app purchases:** none


## Frequently asked questions

### Is Visual Guide to the Holy Mass free?

Visual Guide to the Holy Mass costs $4.99, with no in-app purchases.

### Is KeysClass free?

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

### Do Visual Guide to the Holy Mass or KeysClass have ads?

Neither Visual Guide to the Holy Mass nor KeysClass shows ads.

### Which is updated more often, Visual Guide to the Holy Mass or KeysClass?

Visual Guide to the Holy Mass ships an update every 25 months, and KeysClass every 12 months. Most recently, Visual Guide to the Holy Mass was updated on November 1, 2026 and KeysClass on October 29, 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.*