Save Button App vs Murmur Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Save Button App
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Use Save Button to save bookmarks, notes, images, PDFs, and other files locally in an immutable timeline. Open source, local-first, and server optional.
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 update cadence: Murmur Keyboard at every 5 days against Save Button App's every 2 months. Save Button App's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price, 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.
Save Button App ships an update every 2 months, Murmur Keyboard every 5 days. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.
| Parameter | Save Button App | Murmur Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 22 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | STEVEN T DEOBALD | John Wang |
In-app purchases
Save Button App
No in-app purchases
Murmur Keyboard
No in-app purchases








