# Calcula Keyboard vs ViewSide Link

The clearest difference is update cadence: ViewSide Link at every 5 days against Calcula Keyboard's every 2 weeks. ViewSide Link also leads on iOS requirement (16.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Calcula Keyboard ships an update every 2 weeks, ViewSide Link every 5 days. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Calcula Keyboard | ViewSide Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/viewside-link/id6787559105/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 2 MB | 18 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [锦珍 黄](https://appshunter.io/developer/1731622169) | [Hyun Sik Choi](https://appshunter.io/developer/6787559107) |

## What reviewers say

### Calcula Keyboard

[App page](https://appshunter.io/ios/app/calcula-keyboard/id6764356974)

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

**In-app purchases:** none


### ViewSide Link

[App page](https://appshunter.io/ios/app/viewside-link/id6787559105)

Connect two phones to view a live camera feed from one device on another in real time. Ideal for checking workout form, hard-to-see areas, or magnifying small text. Quick QR code pairing means no account is needed.

**Highlights:** Real-time camera feed streaming, QR code device connection, Workout posture monitoring, Photo and video capture, View hard-to-see spaces, Magnifier for small text, Adjustable video quality

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

**In-app purchases:** none


## Frequently asked questions

### Is Calcula Keyboard free?

Calcula Keyboard is free to download, with no in-app purchases.

### Is ViewSide Link free?

ViewSide Link is free to download, with no in-app purchases.

### Do Calcula Keyboard or ViewSide Link have ads?

Neither Calcula Keyboard nor ViewSide Link shows ads.

### Which is updated more often, Calcula Keyboard or ViewSide Link?

Calcula Keyboard ships an update every 2 weeks, and ViewSide Link every 5 days. Most recently, Calcula Keyboard was updated on October 8, 2026 and ViewSide Link on September 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.*