# Farvision Visitor vs Calculator with reverse screen

The clearest difference is ads: Farvision Visitor at none against Calculator with reverse screen's shown. Calculator with reverse screen's advantage is update cadence (fortnightly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Farvision Visitor ships an update every 3 months, Calculator with reverse screen fortnightly. The most recent releases landed on September 18, 2026 and July 30, 2026 respectively.

## The numbers

| Metric | Farvision Visitor | Calculator with reverse screen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 18 MB | 35 MB |
| Requires iOS | **15.6** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GAMUT INFOSYSTEMS LIMITED](https://appshunter.io/developer/1177622095) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Farvision Visitor

[App page](https://appshunter.io/ios/app/farvision-visitor/id6474262122)

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

**In-app purchases:** none


### Calculator with reverse screen

[App page](https://appshunter.io/ios/app/calculator-with-reverse-screen/id6497792768)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Farvision Visitor free?

Farvision Visitor is free to download, with no in-app purchases.

### Is Calculator with reverse screen free?

Calculator with reverse screen is free to download, with no in-app purchases.

### Do Farvision Visitor or Calculator with reverse screen have ads?

Calculator with reverse screen shows ads; Farvision Visitor does not.

### Which is updated more often, Farvision Visitor or Calculator with reverse screen?

Farvision Visitor ships an update every 3 months, and Calculator with reverse screen fortnightly. Most recently, Farvision Visitor was updated on September 18, 2026 and Calculator with reverse screen on July 30, 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.*