# Calvin's Bible Commentaries vs Truth78 Reader

The clearest difference is in-app purchases: Truth78 Reader at none against Calvin's Bible Commentaries's 4. Truth78 Reader also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Calvin's Bible Commentaries sells 4 one-off in-app purchases. Truth78 Reader asks for nothing beyond the download.

Calvin's Bible Commentaries ships an update every 4 months, Truth78 Reader every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calvin's Bible Commentaries | Truth78 Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (54 ratings)](https://appshunter.io/ios/app/calvins-bible-commentaries/id1521769137/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 278 MB | 49 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [RAVINDHIRAN SUMITHRA](https://appshunter.io/developer/1571016391) | [Booklane](https://appshunter.io/developer/1763061520) |

## What reviewers say

### Calvin's Bible Commentaries

[App page](https://appshunter.io/ios/app/calvins-bible-commentaries/id1521769137)

Explore John Calvin's profound theological insights into Scripture. This app offers a systematic and deep understanding of the Bible, focusing on original languages and historical context. It's a trusted resource for theologians, pastors, and lay readers seeking scholarly interpretation.

**Highlights:** Systematic theological understanding, Focus on original languages, Historical context analysis, Scholarly and precise interpretation, Valued by theologians and pastors, Trusted resource for serious study

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Three Months | $7.99 | one-time |
| Ads Free Version - Life Time | $9.99 | one-time |
| One Year | $24.99 | one-time |
| Two Years | $34.99 | one-time |


### Truth78 Reader

[App page](https://appshunter.io/ios/app/truth78-reader/id6751578495)

**In-app purchases:** none


## Frequently asked questions

### Is Calvin's Bible Commentaries free?

Calvin's Bible Commentaries is free to download, with in-app purchases available.

### Is Truth78 Reader free?

Truth78 Reader is free to download, with no in-app purchases.

### Do Calvin's Bible Commentaries or Truth78 Reader have ads?

Calvin's Bible Commentaries shows ads; Truth78 Reader does not.

### Which is updated more often, Calvin's Bible Commentaries or Truth78 Reader?

Calvin's Bible Commentaries ships an update every 4 months, and Truth78 Reader every 3 months. Most recently, Calvin's Bible Commentaries was updated on October 24, 2026 and Truth78 Reader on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*