# Convertui vs IllusionTEST

The clearest difference is update cadence: Convertui at every 5 days against IllusionTEST's every 14 months. Convertui also leads on chart position (#115 vs unranked) and iOS requirement (14.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Convertui costs $0.99 and IllusionTEST $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Convertui ships an update every 5 days, IllusionTEST every 14 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Convertui | IllusionTEST |
| --- | --- | --- |
| Price | $0.99 | **$0.49** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/convertui-pixel-to-inch/id1565379256/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 14 months |
| Monetization | Paid | — |
| Best chart rank | **#115** | — |
| Size | 1 MB | 1 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wido](https://appshunter.io/developer/1485386735) | [SHUNJI KUSAKA](https://appshunter.io/developer/1738810004) |

## What reviewers say

### Convertui

[App page](https://appshunter.io/ios/app/convertui-pixel-to-inch/id1565379256)

**Currently charting:** #115 Top Paid · Graphics & Design (US App Store)

Easily convert between print sizes, screen sizes, and resolutions. Calculate pixels per inch (dpi), print size from pixels, or pixel count based on print size and resolution. Supports multiple units for print and screen definitions.

**Highlights:** Pixel to inch conversion, Inch to pixel conversion, DPI calculation, Supports multiple units (mm, cm, inch, etc.), Light and dark interface, Multiple language options

**Features:** Vision Pro support

**In-app purchases:** none


### IllusionTEST

[App page](https://appshunter.io/ios/app/illusiontest/id6749799038)

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

**In-app purchases:** none


## Frequently asked questions

### Is Convertui free?

Convertui costs $0.99, with no in-app purchases.

### Is IllusionTEST free?

IllusionTEST costs $0.49, with no in-app purchases.

### Do Convertui or IllusionTEST have ads?

Neither Convertui nor IllusionTEST shows ads.

### Which is updated more often, Convertui or IllusionTEST?

Convertui ships an update every 5 days, and IllusionTEST every 14 months. Most recently, Convertui was updated on October 27, 2026 and IllusionTEST on October 28, 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.*