AV Flash Sync vs Kargo
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.
Kargo
Easily track the contents of your moving boxes. Add photos, item lists, and destination rooms to quickly find anything you need. Includes a moving checklist and an unpacking mode for a smoother transition.
- Numbered and named boxes
- Box photos and item lists
- Voice dictation for items
- Sort boxes by room
- Mark fragile/high-priority boxes
- Moving checklist
- Unpacking mode
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Find every item without opening ten boxes. Kargo turns moving boxes into a clear inventory. Add a photo, list what is inside, choose its destination room and find it again when you need it. WHILE YOU PACK • Create numbered boxes and name them your way • Take a box photo in the app or pick one from your library • Add items one at a time, or use voice dictation in a box detail • Sort boxes by room and mark fragile or high-priority boxes • Track what still needs packing, what is packed and what is already unpacked ON MOVING DAY • Search an item, room or box number in moments • Use the moving checklist and add your own tasks • Open Day mode to spot first-to-open boxes and move through unpacking calmly FREE TO START Create up to 8 boxes for free, with no account. When your move grows, Kargo Premium is a one-time purchase that unlocks unlimited boxes plus PDF export for labels and inventory. No subscription. Start packing with confidence. Find everything, even when the kettle is already at the bottom of a box. Terms of Use: https://kenoby.fr/applications/kargo/terms
Screenshots
Verdict
The clearest difference is review sentiment: Kargo at 100% against AV Flash Sync's 0%. Kargo also leads on update cadence (every 4 days vs every 19 months). AV Flash Sync's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and monetization model 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 and Kargo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
AV Flash Sync ships an update every 19 months, Kargo every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | AV Flash Sync | Kargo |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 19 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | náhodný | ALEXANDRE JOSEPH PIERRE PAUL |
Customer experience
AV Flash Sync
Kargo
In-app purchases
AV Flash Sync
- Flash Sync Pro$2.99
Kargo
- Kargo Premium$5.99
