ESC Link vs Murmur Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ESC Link
Simplify the configuration of Electronic Speed Controllers (ESCs) using built-in Wi-Fi communication. This app offers a more convenient alternative to traditional PC-based settings.
- Wi-Fi communication for ESC setup
- Easier than PC configuration
- Streamlined ESC settings
- Intuitive user interface
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With the built-in WIFI communication, ESC Link makes the job of setting ESC (Electronic Speed Controller) much easier than the traditional setting via PC.
Murmur Keyboard
This app converts your voice to text using advanced AI, all processed locally on your device for maximum privacy. It functions as a standalone application or a keyboard extension, allowing seamless dictation across any app without internet connectivity.
- 100% on-device transcription
- Offline functionality
- Custom keyboard for any app
- Smart warm/cold engine
- Dark mode support
- Transcription history
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Murmur turns your voice into text — entirely on your iPhone. No internet, no accounts, no data leaving your device. Powered by WhisperKit, Murmur runs a real speech recognition model locally, so your words stay yours. Use it as a standalone app or switch to the Murmur keyboard in any app — Messages, Notes, Mail, wherever you type. Tap the mic, speak naturally, and your transcription appears instantly. Most voice-to-text apps send your audio to the cloud. Murmur doesn't. It runs WhisperKit directly on your iPhone — no server, no account, no data collection. The new keyboard extension lets you dictate in any app, and v2.2 makes the whole flow feel faster and more polished in both light and dark mode. • 100% on-device transcription • Works offline, no cloud processing • Custom keyboard for dictation in any app • Smart warm/cold engine — fast when ready, clear when loading • Dark mode designed to feel intentional, not just inverted • Copy, share, or search your transcription history Your voice. Your words. Your device.
Screenshots
Verdict
The clearest difference is review sentiment: Murmur Keyboard at 100% against ESC Link's 25%. Murmur Keyboard also leads on rating (3.0 vs 2.2) and update cadence (every 5 days vs every 6 months). ESC Link's advantage is iOS requirement (5.1.1 vs 17.0). On price, ratings volume, ads and in-app purchases 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.
Murmur Keyboard holds the better App Store score, 3.0 against 2.2. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 25% of ESC Link's written reviews are positive against 100% of Murmur Keyboard's.
ESC Link ships an update every 6 months, Murmur Keyboard every 5 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.
| Parameter | ESC Link | Murmur Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (5 ratings) | 3.0 (2 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 6 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 5.1.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | SkyRC Technology Co.,Ltd. | John Wang |
Customer experience
ESC Link
Murmur Keyboard
In-app purchases
ESC Link
No in-app purchases
Murmur Keyboard
No in-app purchases
