# TAN Digital vs Self Study CS

The clearest difference is ads: TAN Digital at none against Self Study CS's shown. TAN Digital also leads on iOS requirement (15.1 vs 18.0). Self Study CS's advantage is update cadence (daily vs every 2 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TAN Digital ships an update every 2 weeks, Self Study CS daily. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TAN Digital | Self Study CS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (80 ratings)](https://appshunter.io/ios/app/tan-digital/id6749004517/reviews)** | — |
| Number of ratings | **80** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Ad-supported | — |
| Size | 54 MB | 15 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SAINT BENDICT PRESS LLC](https://appshunter.io/developer/1608128568) | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) |

## What reviewers say

### TAN Digital

[App page](https://appshunter.io/ios/app/tan-digital/id6749004517)

Access a vast library of authentic Catholic literature, including spiritual classics, writings of Saints, and catechetical texts. Enjoy a reverent reading experience with features like bookmarking and offline access to deepen your spiritual journey.

**Highlights:** Thousands of Catholic books and devotionals, Reverent reading experience, Day and night modes, Bookmark passages, Offline access, Curated collections

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

**In-app purchases:** none


### Self Study CS

[App page](https://appshunter.io/ios/app/self-study-cs-learn-to-code/id6765632695)

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

**In-app purchases:** none


## Frequently asked questions

### Is TAN Digital free?

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

### Is Self Study CS free?

Self Study CS is free to download, with no in-app purchases.

### Do TAN Digital or Self Study CS have ads?

Self Study CS shows ads; TAN Digital does not.

### Which is updated more often, TAN Digital or Self Study CS?

TAN Digital ships an update every 2 weeks, and Self Study CS daily. Most recently, TAN Digital was updated on October 10, 2026 and Self Study CS on October 7, 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.*