# Foto Documentos vs Gain Map HDR Converter

The clearest difference is review sentiment: Gain Map HDR Converter at 100% against Foto Documentos's 28%. Gain Map HDR Converter also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 4 months). Foto Documentos's advantage is price (Free vs $3.99) and iOS requirement (15.5 vs 18.6). On ads and device support there is nothing between them.

Foto Documentos is free to download; Gain Map HDR Converter costs $3.99 up front. Foto Documentos sells 1 one-off in-app purchase. Gain Map HDR Converter asks for nothing beyond the download.

Foto Documentos ships an update every 4 months, Gain Map HDR Converter every 2 weeks. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Foto Documentos | Gain Map HDR Converter |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.4 (86 ratings)](https://appshunter.io/ios/app/foto-documentos/id1076029384/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 27.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Size | 70 MB | 7 MB |
| Requires iOS | **15.5** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeferson Assis](https://appshunter.io/developer/819308210) | [MARCELO PITZ ESPINDOLA](https://appshunter.io/developer/1820969307) |

## What reviewers say

### Foto Documentos

[App page](https://appshunter.io/ios/app/foto-documentos/id1076029384)

Easily create passport and ID photos from your own pictures. Adjust positioning, select paper sizes, and choose the number of prints. Supports various international photo dimensions for convenience.

**Highlights:** Capture document photos, Adjust photo positioning, Select paper print formats, Choose number of photos, Generate cutting lines, Supports international formats

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime access | $2.99 | one-time |


### Gain Map HDR Converter

[App page](https://appshunter.io/ios/app/gain-map-hdr-converter/id6794502526)

Enhance your photos by rebuilding their brightness range to create true HDR images. This app preserves metadata and offers batch processing, making your highlights glow on compatible devices while looking great everywhere else.

**Highlights:** Create true HDR gain maps, Preserves metadata, Batch processing, 10-bit HEIF output, Supports Display P3 color, Private by design

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

**In-app purchases:** none


## Frequently asked questions

### Is Foto Documentos free?

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

### Is Gain Map HDR Converter free?

Gain Map HDR Converter costs $3.99, with no in-app purchases.

### Do Foto Documentos or Gain Map HDR Converter have ads?

Neither Foto Documentos nor Gain Map HDR Converter shows ads.

### Which is updated more often, Foto Documentos or Gain Map HDR Converter?

Foto Documentos ships an update every 4 months, and Gain Map HDR Converter every 2 weeks. Most recently, Foto Documentos was updated on October 26, 2026 and Gain Map HDR Converter on October 12, 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.*