Dencall vs GenR8
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dencall
Read full descriptionHide full description
Dencall app is for Denphone Cloud PBX users for voice, chat and video communications.
GenR8
Generate professional test patterns for display calibration and validation. Supports external displays via HDMI, DisplayPort, or AirPlay, with HDR pattern support and precision controls for accurate results. Export patterns in various formats.
- 28+ Professional Test Patterns
- External Display Support (HDMI, DisplayPort, AirPlay)
- HDR Pattern Support
- Audio Test Tones & Live Metering
- Precision Controls & Customizable Overlays
- Export Test Patterns
Read full descriptionHide full description
KEY FEATURES: * 28+ Professional Test Patterns - SMPTE color bars, calibration grids, convergence patterns, HDR test signals, luma stepping, IRE patterns, and more * External Display Support - Connect via USB-C to HDMI/DisplayPort or AirPlay. Full 1:1 pixel mapping for accurate calibration * AV Sync Test * Audio Test Tones - Sine, square, sawtooth, and white noise waveforms from 20Hz to 20kHz with live stereo metering * HDR Pattern Support - PQ curve test patterns, HDR color bars, and BT.2111 UHD patterns for HDR display validation * Precision Controls - Customizable aspect ratio overlays, diagnostic crosshairs, border guides, and adjustable scanning color bars * Live Audio Metering - Real-time L/R level meters with peak detection for audio signal monitoring * iPad Optimized - Split-view interface with pattern library sidebar and full-screen preview * Customizable Overlays - Display resolution info, clock, date, custom text, and diagnostic guides * Export Test Patterns in PNG, PDF, JPG, TIFF PERFECT FOR: - Video engineers calibrating displays - AV technicians testing signal chains - Filmmakers validating monitor accuracy - Content creators ensuring color fidelity - Anyone needing professional test patterns on the go DISPLAYS SUPPORTED: *External monitors, projectors, TVs, and broadcast displays via HDMI, DisplayPort, or AirPlay. Made with precision for professionals who demand accuracy.
Screenshots
Verdict
The clearest difference is price: Dencall at Free against GenR8's $19.99. GenR8's advantage is update cadence (every 10 days vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Dencall is free to download; GenR8 costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Dencall ships an update every 5 months, GenR8 every 10 days. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.
| Parameter | Dencall | GenR8 |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | — | 4.9 (9 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 5 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 108 MB | 21 MB |
| Age rating | 17+ | 4+ |
| Developer | Denphone K.K. | Christopher Van Hoose |
In-app purchases
Dencall
No in-app purchases
GenR8
No in-app purchases
