# ShowPattern

> ShowPattern (iPhone/iPad app by 留云 巢.)

- Source: https://appshunter.io/ios/app/showpattern/id1544686957 (this page in markdown: same URL + `.md`)
- Developer: [留云 巢](https://appshunter.io/developer/1542717462)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.4 · 2 MB
- Languages: English
- Released: 2020-12-28
- Data updated: 2025-12-19
- User reviews in markdown: https://appshunter.io/ios/app/showpattern/id1544686957/reviews.md

## What is ShowPattern?

ShowPattern is a tool application. It runs on iOS devices, listens connection request form display test system and renders requested test pattern on screen during the automatic display testing.  The test patterns are drawn on-screen real-time from a set of scale-free mathematical equations so it renders exact and accurate test patterns for any display resolution and any screen aspect ratio.


## Version history (last 5 releases)

### 1.5.5 — 2024-12-20

1. Add some patterns for DI test.

### 1.5.2 — 2023-05-24

1. Modification of some pattern by new parameters.

### 1.5.0 — 2023-03-27

1. Add QR code on information view for scanning the connection information (IP Address);
2. Add new patterns.

### 1.3.8 — 2021-12-02

1. Add new patterns(Patterns for Rtings and uniformity measurement); modify rendering of some patterns.
2. Add support for ProMotion Refresh Rates.

### 1.3.3 — 2021-06-07

1. Optimization for color space, sRGB or DCI-P3 can be specified in the settings and solid color would be rendered with specified color space.
2. Add new patterns(Solid circles with more parameters to specify the location and size).

## Apps similar to ShowPattern

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Roost 360](https://appshunter.io/ios/app/roost-360/id1471178253) | 3.6 (8) | Free | Utilities |
| [Lensit](https://appshunter.io/ios/app/lensit/id1468948972) | — | Free | Utilities |
| [Lumiro](https://appshunter.io/ios/app/lumiro/id1323579578) | — | $0.99 | Utilities |
| [SysStats Monitor](https://appshunter.io/ios/app/sysstats-monitor/id333260467) | 3.0 (4) | $0.99 | Utilities |
| [10 in One Toolset](https://appshunter.io/ios/app/10-in-one-toolset/id1529795830) | 2.5 (2) | Free | Utilities |
| [Spiffy Clock](https://appshunter.io/ios/app/spiffy-clock/id1602707841) | 4.9 (11) | Free | Utilities |

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2025-12-19.*