# Wisp vs Unit Conversion for Safari

The clearest difference is price: Wisp at Free against Unit Conversion for Safari's $1.99. Unit Conversion for Safari's advantage is in-app purchases (none vs 2) and iOS requirement (15.0 vs 18.0). On update cadence, ads and device support there is nothing between them.

Wisp is free to download; Unit Conversion for Safari costs $1.99 up front. Wisp sells 2 one-off in-app purchases. Unit Conversion for Safari asks for nothing beyond the download.

Wisp ships an update monthly, Unit Conversion for Safari every 2 months. The most recent releases landed on October 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Wisp | Unit Conversion for Safari |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/wisp-full-screen-browser/id6756587346/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 2 MB | 4 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Tony Sundharam](https://appshunter.io/developer/1585189351) | [Seiya.k](https://appshunter.io/developer/383021944) |

## What reviewers say

### Wisp

[App page](https://appshunter.io/ios/app/wisp-full-screen-browser/id6756587346)

This app offers a completely frameless web browsing experience, removing all UI elements for maximum immersion. It's ideal for cloud gaming, kiosks, and digital signage, providing a clean, edge-to-edge display.

**Highlights:** Frameless browsing experience, Optimized for cloud gaming, iOS Game Mode integration, Customizable gesture navigation, Always-On mode for kiosks, Privacy-focused design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Res Streams | $1.99 | one-time |
| Advanced Gesture Zones | $3.99 | one-time |


### Unit Conversion for Safari

[App page](https://appshunter.io/ios/app/unit-conversion-for-safari/id6760579841)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wisp free?

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

### Is Unit Conversion for Safari free?

Unit Conversion for Safari costs $1.99, with no in-app purchases.

### Do Wisp or Unit Conversion for Safari have ads?

Neither Wisp nor Unit Conversion for Safari shows ads.

### Which is updated more often, Wisp or Unit Conversion for Safari?

Wisp ships an update monthly, and Unit Conversion for Safari every 2 months. Most recently, Wisp was updated on October 16, 2026 and Unit Conversion for Safari on September 22, 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.*