ShowPattern vs Lens Pattern
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ShowPattern
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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.
Lens Pattern
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Grid Professional Test Patterns for Camera Calibration Turn your iPad, iPhone, or Apple TV into a precision test pattern generator for camera and lens analysis. Lens Pattern displays pixel-accurate test charts directly on your device screen β no printed charts, no extra hardware. Perfect for camera calibration, lens quality testing, color grading verification, and production monitoring. INCLUDED TEST PATTERNS: Markers & Calibration β’ Grid Tags β AprilTag marker grid with adjustable tag size and start ID, ideal for camera calibration and spatial tracking Color & Exposure β’ SMPTE Bars β Standard SMPTE EG-1-1990 color bars β’ SMPTE 303M β HD color bars with PLUGE and Y-ramp zones β’ EBU Bars β EBU Tech 3325 color bars (75% and 100%) β’ ColorChecker β Classic 24-patch color reference chart β’ Color Scales β R/G/B/C/M/Y/W gradient ramps with percentage markers β’ Clipping β Shadow and highlight clipping test (1% steps) with stepped ramp β’ Grayscale β 21-step grayscale ramp with percentage labels Geometry & Focus β’ Crosshatch β Grid pattern for distortion analysis β’ Checkerboard β Black/white checkerboard for resolution testing β’ Caro β Diamond pattern (45Β° rotated checkerboard) β’ Dot Grid β Uniform dot array for distortion measurement β’ Siemens Star β Resolution target for sharpness evaluation β’ Focus Chart β Comprehensive focus and resolution target Timing & Animation β’ Motion Test β Moving bars for rolling shutter and motion blur analysis β’ Timecode β Real-time HH:MM:SS:FF display at 60fps β’ Flicker β Adjustable frequency flicker (0.5β30 Hz) KEY FEATURES: β’ Full-screen, pixel-perfect rendering on any screen size β’ Physical dimensions in millimeters displayed on iOS devices
Screenshots
Verdict
The clearest difference is update cadence: Lens Pattern at fortnightly against ShowPattern's every 4 months. ShowPattern's advantage is iOS requirement (12.4 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ShowPattern ships an update every 4 months, Lens Pattern fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | ShowPattern | Lens Pattern |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Fortnightly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple TV |
| Requires iOS | 12.4 β better | 18.6 |
| Further details β not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | ηδΊ ε·’ | Stage Precision GmbH |
In-app purchases
ShowPattern
No in-app purchases
Lens Pattern
No in-app purchases
Questions
Is ShowPattern free?
Is Lens Pattern free?
Do ShowPattern or Lens Pattern have ads?
Which is updated more often, ShowPattern or Lens Pattern?
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