# PortraitMode.io vs Gx FoCalc

The clearest difference is review sentiment: Gx FoCalc at 100% against PortraitMode.io's 57%. Gx FoCalc also leads on rating (4.9 vs 4.1) and update cadence (daily vs every 2 weeks). PortraitMode.io's advantage is iOS requirement (15.6 vs 17.5). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gx FoCalc holds the better App Store score, 4.9 against 4.1. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews point the same way: 57% of PortraitMode.io's written reviews are positive against 100% of Gx FoCalc's.

PortraitMode.io ships an update every 2 weeks, Gx FoCalc daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | PortraitMode.io | Gx FoCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/portraitmodeio/id6445845431/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/gx-focalc/id6612010267/reviews)** |
| Number of ratings | **8** | 7 |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | Free |
| Size | 58 MB | 0 MB |
| Requires iOS | **15.6** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [MapSteps UG](https://appshunter.io/developer/1674159622) | [Casey Cavanaugh](https://appshunter.io/developer/1761279780) |

## What reviewers say

### PortraitMode.io

[App page](https://appshunter.io/ios/app/portraitmodeio/id6445845431)

A photo-sharing platform for street photographers to showcase their work, connect with peers, and receive feedback. It features a chronological timeline and lossless compression to preserve image quality without cropping.

**Highlights:** Photo-sharing platform, Street photography focus, Chronological timeline, Lossless compression, Community feedback, No video content

**Features:** Vision Pro support

**In-app purchases:** none


### Gx FoCalc

[App page](https://appshunter.io/ios/app/gx-focalc/id6612010267)

Easily calculate the 35mm equivalent focal length and apparent aperture for various camera sensor sizes and lens configurations. Input your focal length, aperture, and any focal reducers or teleconverters to see the full-frame equivalent.

**Highlights:** 35mm crop factor calculation, Equivalent focal length, Apparent aperture calculation, Supports focal reducers, Supports teleconverters

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PortraitMode.io free?

PortraitMode.io is free to download, with no in-app purchases.

### Is Gx FoCalc free?

Gx FoCalc is free to download, with no in-app purchases.

### Which has better reviews, PortraitMode.io or Gx FoCalc?

Gx FoCalc is rated higher. PortraitMode.io averages 4.1 out of 5 from 8 ratings, while Gx FoCalc averages 4.9 from 7 ratings.

### Do PortraitMode.io or Gx FoCalc have ads?

Neither PortraitMode.io nor Gx FoCalc shows ads.

### Which is updated more often, PortraitMode.io or Gx FoCalc?

PortraitMode.io ships an update every 2 weeks, and Gx FoCalc daily. Most recently, PortraitMode.io was updated on October 24, 2026 and Gx FoCalc on October 24, 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.*