Mutterly vs Quiet Proof
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mutterly
Effortlessly capture your thoughts with quick voice notes and receive AI-generated daily reflections. This app prioritizes privacy with on-device processing, offering mindfulness without the hassle.
- Quick voice note capture (up to 40s)
- On-device AI processing for privacy
- Offline functionality
- AI-powered daily reflections
- Minimalist and clutter-free design
- Optional cloud AI models
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Journaling made simple, private, and powerful. Just speak. Mutterly transforms your scattered thoughts into meaningful daily reflections—perfect for busy people who want mindfulness without the effort. THE 20-SECOND SOLUTION Quick Voice Notes Capture your thoughts in quick 20-second bursts (up to 40s for Premium). Perfect for capturing thoughts on the go, in the car, or whenever inspiration strikes. 100% On-Device AI Your privacy is our priority. Mutterly now runs completely locally on your iPhone using the Llama 3.2 model. Your voice and your thoughts never leave your device. It even works offline in Airplane mode! AI-Powered Daily Summaries At the end of each day, get a beautiful AI-generated reflection. Mutterly synthesizes your recordings into a coherent daily summary to help you spot patterns and find clarity. Premium Experience • On-Device Processing: Unlimited local AI generation using the powerful Llama 3.2 1B model. • Cloud AI Option: Unlock even more powerful models (Gemma, Llama 3 8B +25 more) via the Cloud (Optional). Premium Tiers Elevate your experience with our new premium options: • Monthly ($0.99): Standard AI access & unlimited recordings. • Yearly ($4.99): Pro AI Tier access & best value. Zen-Like Simplicity Minimalist design with soft colors and thoughtful spacing. No clutter, no complexity—just you and your thoughts. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cuti-therapy.com/privacy
Quiet Proof
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You did more than you think. Quiet Proof keeps the proof. Write down what you get done, one line at a time. On the days it feels like you did nothing, open it and see that you did. Most apps track what is left to do. Quiet Proof keeps what you already did, and brings it back to you: on this day, a week ago, you made that call. A month ago, you started this. The progress you stopped seeing, returned. HOW IT WORKS - Log a win in one line. 5 seconds, no setup. - Tap a win to light it up as a milestone. - Lit wins come back on their own: one week, one month, one year later. - Group wins into projects and watch each one grow into a quiet timeline. - Failed attempts count too. You tried, and that is proof. WHAT IT REFUSES TO DO - No streaks to break. Miss a day and nothing gets erased. - No feed, no sharing, no performing. This journal is for your eyes only. - No account, no cloud, no tracking, no ads. Your wins never leave your phone. Made for anyone chasing something with no boss, no grades, and no applause: building a thing, learning a skill, looking for work, getting through a hard season. Start free. A single one-time purchase unlocks unlimited projects. No subscription. Proof you tried, not a box you ticked.
Screenshots
Verdict
The clearest difference is update cadence: Mutterly at every 3 days against Quiet Proof's every 8 days. On price, ads, 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. Mutterly sells 2 in-app purchases, starting at $0.99 per month and Quiet Proof sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Mutterly ships an update every 3 days, Quiet Proof every 8 days. Both last shipped on October 3, 2026.
| Parameter | Mutterly | Quiet Proof |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 days — better | Every 8 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 776 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Franz Richers | 22F |
In-app purchases
Mutterly
- Premium Access$0.991 Month
- Premium Access$4.991 Year
Quiet Proof
- Quiet Proof Plus$24.99









