# WARP(ワープ) vs Hardness Unit Converter

The clearest difference is price: WARP(ワープ) at Free against Hardness Unit Converter's $1.99. WARP(ワープ) also leads on review sentiment (50% vs 17%) and iOS requirement (11.0 vs 15.6). Hardness Unit Converter's advantage is update cadence (every 5 months vs every 31 months). On ads, in-app purchases and device support there is nothing between them.

WARP(ワープ) is free to download; Hardness Unit Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WARP(ワープ) ships an update every 31 months, Hardness Unit Converter every 5 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | WARP(ワープ) | Hardness Unit Converter |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[4.0 (7 ratings)](https://appshunter.io/ios/app/hardness-unit-converter/id1409248484/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | **50.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 5 months** |
| Monetization | **Free** | Paid |
| Size | 140 MB | 1 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KOHOSHA CO., LTD.](https://appshunter.io/developer/1056449657) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### WARP(ワープ)

[App page](https://appshunter.io/ios/app/warp/id1056449658)

Experience augmented reality by warping from real-world media like paper and signs into a virtual space. Explore a variety of content including videos, 3D models, images, sound, and 360-degree panoramas.

**Highlights:** Augmented reality experience, Warp from real media to virtual, View videos in AR, View 3D models in AR, View images in AR, View sound in AR, View 360-degree panoramas in AR

**Features:** macOS Compatibility

**In-app purchases:** none


### Hardness Unit Converter

[App page](https://appshunter.io/ios/app/hardness-unit-converter/id1409248484)

Easily convert hardness values between 12 different units, including Vickers, Brinell, Rockwell, and Shore. Input your value and select the desired unit for instant conversion, referencing ASTM E 140 standards and polynomial approximations for accuracy.

**Highlights:** Converts 12 hardness units, Vickers, Brinell, Rockwell, Shore support, Tensile strength conversion, ASTM E 140 reference, Polynomial approximation for data, Simple input and unit selection

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

**In-app purchases:** none


## Frequently asked questions

### Is WARP(ワープ) free?

WARP(ワープ) is free to download, with no in-app purchases.

### Is Hardness Unit Converter free?

Hardness Unit Converter costs $1.99, with no in-app purchases.

### Do WARP(ワープ) or Hardness Unit Converter have ads?

Neither WARP(ワープ) nor Hardness Unit Converter shows ads.

### Which is updated more often, WARP(ワープ) or Hardness Unit Converter?

WARP(ワープ) ships an update every 31 months, and Hardness Unit Converter every 5 months. Most recently, WARP(ワープ) was updated on October 7, 2026 and Hardness Unit Converter 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.*