SyncKing vs Unit Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SyncKing
Create and host interactive second screen experiences for live streams or local multiplayer games. Customize with widgets like images, scoreboards, and status updates for real-time audience engagement. Requires a WiFi or cellular connection for both host and viewer.
- Host custom second screen experiences
- Real-time widget updates
- Scoreboard display
- Status sharing
- Audience notifications
- Connect via 4-digit code
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Host your own second screen experience filled with your own widgets. SyncKing is especially useful for live streams - be more engaging with your viewers to improve your channel interactivity. Not only that but is useful for local play whether you are at a pub, at home playing a quiz with your friends.. The options are limitless on how you can use SyncKing. Enable widgets to your liking. Show images, put up a scoreboard, share statuses, send your audience notifications and many other features in REAL-TIME. A valid connection to WiFi or Cellular is required to work for both the 'Host' and the 'Viewer'. Just enter the unique code 4-digit code to connect to the correct host.
Unit Converter
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Any unit you can think of. One tap — done. Convert length, weight, temperature, volume, speed and way more — fast, accurate, zero fuss. Cook dinner, plan a trip, ace your homework, or build something cool — we've got your back. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: SyncKing at none against Unit Converter's 2. SyncKing also leads on iOS requirement (9.0 vs 15.0). Unit Converter's advantage is update cadence (every 2 weeks vs every 2 months). 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. Unit Converter sells 2 in-app purchases, starting at $2.49 per month. SyncKing asks for nothing beyond the download.
SyncKing ships an update every 2 months, Unit Converter every 2 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.
| Parameter | SyncKing | Unit Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (11 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 57 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Ashley Richards | Petrichka Yaroslav |
In-app purchases
SyncKing
No in-app purchases
Unit Converter
- Premium Monthly$2.491 Month
- Yearly Premium$14.991 Year
