CYHY vs A
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CYHY
This app connects to a car's advanced dashcam via Wi-Fi to stream live video, capture photos, and download recordings. It allows for custom settings and utilizes WDR technology for high-quality night vision and motion detection.
- Live video streaming
- Photo capture
- Video/photo download
- Custom tachograph settings
- WDR technology
- Night vision
- Motion detection
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1)”CYHY” is an app that is specially designed for Tachograph. “CYHY” can watch live time videos, take a photo, download videos or pictures which is recorded by anyone, and make a custom setting for Tachograph through wifi. 2)The device of “CYHY” is an advanced DV which is specially designed for car. the DV use WDR technology,has high quality night vision,and has motion detection function. 3)the “CYHY” is made for your super family car.
A
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A-Roll: Retro Video Camera turns ordinary days into vintage home video. Each scene lasts five seconds. Keep one scene or collect up to twelve, then finish your film when you are ready. Review your scenes after recording, keep the look and date, and save or share the finished video. Features • 12 free scenes every day • Fixed five-second capture for every scene • Finish a film from one to twelve scenes • 77 New York, 88 Tokyo and 99 Seoul looks included for free • Summer and Night Tape looks included with A-Roll Plus • Preview your finished scenes on device, then save or share • No account required • No ads; videos stay on your device A one-time A-Roll Plus purchase includes Summer and Night Tape looks and unlimited daily scenes for life. Existing owners keep every Plus benefit. There is no subscription.
Screenshots
Verdict
The clearest difference is in-app purchases: CYHY at none against A's 1. CYHY also leads on device support (3 vs 1) and iOS requirement (7.1 vs 17.0). A's advantage is update cadence (weekly vs monthly). On price and ads 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
Both are free to download. A sells 1 one-off in-app purchase. CYHY asks for nothing beyond the download.
CYHY ships an update monthly, A weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | CYHY | A |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 7.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 85 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市创艺慧云信息有限公司 | donghyeok yeom |
In-app purchases
CYHY
No in-app purchases
A
- Unlimited Capture Forever$0.49









