# Study by A1 vs Colophon

The clearest difference is in-app purchases: Study by A1 at none against Colophon's 4. Study by A1 also leads on update cadence (daily vs monthly). Colophon's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Colophon sells 4 one-off in-app purchases. Study by A1 asks for nothing beyond the download.

Study by A1 ships an update daily, Colophon monthly. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Study by A1 | Colophon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/colophon-interlinear-bible/id6789892808/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 168 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alex Sanders](https://appshunter.io/developer/1896352765) | [Mustafa Salim Erek](https://appshunter.io/developer/1896175573) |

## What reviewers say

### Study by A1

[App page](https://appshunter.io/ios/app/study-by-a18/id6767036548)

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

**In-app purchases:** none


### Colophon

[App page](https://appshunter.io/ios/app/colophon-interlinear-bible/id6789892808)

Explore the original Greek and Hebrew words behind English text in this offline study Bible. Tap any word to see its definition, transliteration, and usage frequency. Your notes and highlights are private and saved locally.

**Highlights:** Reverse-interlinear word lookup, Offline access to translations, Private notes and highlights, Search and cross-references, Distraction-free reading, Optional Pro features

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip: Ink | $1.99 | one-time |
| Tip: Quill | $4.99 | one-time |
| Colophon Pro | $9.99 | one-time |
| Tip: Patron | $9.99 | one-time |


## Frequently asked questions

### Is Study by A1 free?

Study by A1 is free to download, with no in-app purchases.

### Is Colophon free?

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

### Do Study by A1 or Colophon have ads?

Neither Study by A1 nor Colophon shows ads.

### Which is updated more often, Study by A1 or Colophon?

Study by A1 ships an update daily, and Colophon monthly. Most recently, Study by A1 was updated on October 3, 2026 and Colophon on October 19, 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.*