# Calvin Opera vs Pop Comm Bible Commentary

The clearest difference is price: Pop Comm Bible Commentary at Free against Calvin Opera's $4.99. Pop Comm Bible Commentary also leads on rating (4.8 vs 1.0) and update cadence (every 3 months vs every 9 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Pop Comm Bible Commentary is free to download; Calvin Opera costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pop Comm Bible Commentary holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Pop Comm Bible Commentary has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Calvin Opera ships an update every 9 months, Pop Comm Bible Commentary every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Calvin Opera | Pop Comm Bible Commentary |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/calvin-opera/id1042943229/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/pop-comm-bible-commentary/id1535098765/reviews)** |
| Number of ratings | 1 | **16** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 1.6 GB | 50 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [jeong youngoh](https://appshunter.io/developer/429170564) | [Pearl Crescent](https://appshunter.io/developer/349060606) |

## What reviewers say

### Calvin Opera

[App page](https://appshunter.io/ios/app/calvin-opera/id1042943229)

Access the complete writings of John Calvin with fast search capabilities and an integrated Latin dictionary. This comprehensive collection is a primary resource for studying Calvin's extensive theological works.

**Highlights:** Complete Works of John Calvin, Fast search functionality, Integrated Latin dictionary, Primary source for Calvin studies, Organized by volume and content type

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

**In-app purchases:** none


### Pop Comm Bible Commentary

[App page](https://appshunter.io/ios/app/pop-comm-bible-commentary/id1535098765)

Access a comprehensive Bible commentary written from a Lutheran perspective. This app offers an insightful explanation of Scripture, referencing the King James Version (KJV). It provides an accessible resource for all Christians seeking to understand the Bible.

**Highlights:** Kretzmann's Popular Commentary text, Lutheran perspective, Accessible explanation of Scripture, King James Version (KJV) reference, Resource for Christians

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

**In-app purchases:** none


## Frequently asked questions

### Is Calvin Opera free?

Calvin Opera costs $4.99, with no in-app purchases.

### Is Pop Comm Bible Commentary free?

Pop Comm Bible Commentary is free to download, with no in-app purchases.

### Which has better reviews, Calvin Opera or Pop Comm Bible Commentary?

Pop Comm Bible Commentary is rated higher. Calvin Opera averages 1.0 out of 5 from 1 ratings, while Pop Comm Bible Commentary averages 4.8 from 16 ratings.

### Do Calvin Opera or Pop Comm Bible Commentary have ads?

Neither Calvin Opera nor Pop Comm Bible Commentary shows ads.

### Which is updated more often, Calvin Opera or Pop Comm Bible Commentary?

Calvin Opera ships an update every 9 months, and Pop Comm Bible Commentary every 3 months. Most recently, Calvin Opera was updated on November 6, 2026 and Pop Comm Bible Commentary on November 3, 2026.

---

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