MorseFriends vs SyncFlowBoard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MorseFriends
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・アマチュア無線で電信を楽しみたい友達へ贈るアプリです。 ・モールス信号を聴き取る練習ができます。 ・設定機能によりバックグランド 再生や符号の文字間延長秒数の設定ができます。 ・モールス信号を正しく打つための練習ができます。 ・モールスの信号音から簡易な解析により文字に変換することができます。 ※ 解析方法が簡易の為、正しく変換できる確率が低いです。(残念) ・画面に合わせた使い方を表示することができます。
SyncFlowBoard
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SyncFlow is a local, real-time shared communication app designed specifically for stage crews, live event production, PA engineers, and lighting operators. By connecting devices locally, SyncFlow enables instant text announcements and hand-drawn diagrams between backstage, front-of-house (FOH), and the stage. No internet required—keep your team perfectly coordinated even in deep basements or remote venues. ◆ Key Features ◆ • Instant Shared Canvas Draw, write, and map out stage layouts with up to 8 devices simultaneously. Your drawings sync in real time with ultra-low latency. Perfect for conveying visual information (like mic placements, staging modifications, or quick cues) without speaking. • Full-Screen Message Board Need to display the current schedule or critical alerts? Instantly toggle a full-screen, high-contrast Message Board. Put up notices like "18:00 OPEN" or "CLOSE" with custom fonts, colors, a built-in real-time clock, and a vibrant Neon mode for maximum visibility in dark backstage areas. • Professional Power Saving Designed to survive grueling rehearsals and long live shows. When the Message Board is closed, background clock updates and neon animations are suspended 100% (Eco-Sleep mode). This prevents iPad overheating and drastically reduces battery drain. • Robust Offline Sync Running on Apple’s secure local networking, SyncFlow works completely offline. Simply connect both iPads to the same local Wi-Fi router. Experience rock-solid, low-latency synchronization across 100+ meters, free from the packet congestion of busy venue networks. • Smart Display Names Bypass standard system name limitations. Customize your display name so other devices can instantly recognize who sent a drawing or who is currently online in the connection logs. Elevate your backstage communication. Run your next show seamlessly with SyncFlow.
Screenshots
Verdict
The clearest difference is ads: SyncFlowBoard at none against MorseFriends's shown. SyncFlowBoard also leads on update cadence (every 3 days vs every 2 months). MorseFriends's advantage is iOS requirement (14.0 vs 17.6). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
MorseFriends ships an update every 2 months, SyncFlowBoard every 3 days. The most recent releases landed on September 28, 2026 and October 10, 2026 respectively.
| Parameter | MorseFriends | SyncFlowBoard |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 18 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Yoshiaki Nakata | SUGAR SOUND, K.K. |
In-app purchases
MorseFriends
No in-app purchases
SyncFlowBoard
No in-app purchases









