# Digital Battenberg vs Image to PDF ·

The clearest difference is in-app purchases: Digital Battenberg at none against Image to PDF ·'s 2. Digital Battenberg also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On update cadence and ads there is nothing between them.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Digital Battenberg | Image to PDF · |
| --- | --- | --- |
| Price | — | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/digital-battenberg/id6758563246/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Paid | — |
| Size | 4 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Swaminathan .](https://appshunter.io/developer/1855199856) | [Kiran Gajjar](https://appshunter.io/developer/1896307932) |

## What reviewers say

### Digital Battenberg

[App page](https://appshunter.io/ios/app/digital-battenberg/id6758563246)

This specialized marine navigation tool assists bridge officers and naval professionals in solving complex relative motion problems. It offers a high-fidelity tactical plot for station keeping and maneuvers, replacing manual plotting with a fast, error-free calculator.

**Highlights:** Relative motion solver, PPI radar-style display, Stationing from ahead module, Flying course and wind calculator, Customizable vessel profiles, Offline calculations

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

**In-app purchases:** none


### Image to PDF ·

[App page](https://appshunter.io/ios/app/image-to-pdf/id6793604447)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Image to PDF Converter Pro | $4.99 | per 7 days |
| PDF Converter Pro - Photo to PDF | $29.99 | per year |


## Frequently asked questions

### Is Digital Battenberg free?

Pricing for Digital Battenberg is not currently listed on the App Store.

### Is Image to PDF · free?

Image to PDF · is free to download, with in-app purchases available.

### Do Digital Battenberg or Image to PDF · have ads?

Neither Digital Battenberg nor Image to PDF · shows ads.

### Which is updated more often, Digital Battenberg or Image to PDF ·?

Digital Battenberg ships an update fortnightly, and Image to PDF · fortnightly. Most recently, Digital Battenberg was updated on November 5, 2026 and Image to PDF · on October 31, 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.*