AV Flash Sync vs RTS Edge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AV Flash Sync
Enhance your AV media recordings with a one-second tone and red flash. This tool aids in synchronizing audio and video during post-production, streamlining your workflow.
- Add one-second tone
- Add red flash
- Synchronize audio and video
- Post-production tool
- Media recording enhancement
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Quickly add a one second tone and red flash to your AV media recording and then use it to synchronize audio and video in post production.
RTS Edge
Transform your device into a portable key panel for a cloud-based intercom system. This app offers seamless connectivity and control for broadcasters and audio professionals, ideal for remote production and live events.
- Portable key panel functionality
- Seamless cloud-based intercom connectivity
- Remote production support
- Live broadcast environment use
- Event management tool
- Collaborative media workflows
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Turn your device into a powerful, portable key panel with RTS Edge. Designed for broadcasters and audio communication professionals, our mobile app provides seamless connectivity to your cloud-based RVOC intercom system, delivering unparalleled flexibility and control right at your fingertips. Ideal For: Remote production teams Live broadcast environments Event management Collaborative media workflows
Screenshots
Verdict
The clearest difference is rating: RTS Edge at 5.0 against AV Flash Sync's 1.0. RTS Edge also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 19 months). AV Flash Sync's advantage is iOS requirement (12.0 vs 15.1). On price, ads and device support 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. AV Flash Sync sells 1 one-off in-app purchase. RTS Edge asks for nothing beyond the download.
RTS Edge holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
AV Flash Sync ships an update every 19 months, RTS Edge every 3 weeks. The most recent releases landed on September 24, 2026 and August 8, 2026 respectively.
| Parameter | AV Flash Sync | RTS Edge |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 19 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 1 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | náhodný | Keenfinity |
Customer experience
AV Flash Sync
RTS Edge
In-app purchases
AV Flash Sync
- Flash Sync Pro$2.99
RTS Edge
No in-app purchases
