MinuteONE vs Decibel Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MinuteONE
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Transcribe meetings, lectures, and interviews on your iPhone with no internet connection and no subscription. Your first 10 transcriptions are free. After that, one purchase unlocks MinuteONE for good. Everything runs on the phone. MinuteONE uses Apple's on-device speech recognition and Apple Intelligence, so it works in Airplane Mode, in a building with no signal, or on a spare iPhone with no SIM card. There is no MinuteONE server, so your audio has nowhere to go and there is nothing for us to collect. HOW IT WORKS Tap record and the words appear on screen as people speak. When you stop, on-device AI writes a title, a short summary, action items with owners and deadlines, and the decisions that were made. Keep the transcript, export a report, or save the original audio file. IMPORT AUDIO AND VIDEO Already have a recording? Import audio from Files, or video from Files or Photos. MinuteONE pulls out the audio and transcribes it on the device. Audio: M4A, MP3, WAV, AIFF, FLAC, CAF. Video: MP4, MOV, and other formats iOS can play. TRANSCRIPTS YOU CAN READ Transcripts come out as conversational turns with timestamps, with stutters and duplicated lines cleaned up. Play the recording back and the transcript highlights along with it. PRIVATE BY DESIGN MinuteONE has no accounts and no servers. Nothing you record is uploaded or used to train anything. The live transcript is hidden from the app switcher. TOOLS - Export PDF, Markdown, or plain text reports - Save the original audio file - Send action items to Reminders - Search, filter, and tag your meeting library - Get an alert if you forget a recording is running - Optional iCloud sync across iPhone, iPad, and Mac PRICING Download free and use every feature for your first 10 transcriptions. Live recordings and imported files both count. Failed transcriptions don't. Then unlock MinuteONE permanently with a single $4.99 purchase (US price; other regions vary). One unlock covers iPhone, iPad, and Mac. No subscription, no monthly fee, no premium tier. Buying the unlock needs a connection. Once Apple's on-device speech recognition and Apple Intelligence are set up on your device, recording, transcription, and summaries don't. REQUIREMENTS - iPhone 15 Pro or later, iPad with M1 or later, or Apple silicon Mac - iOS 26, iPadOS 26, or macOS 26 or later - Apple Intelligence must be enabled for summaries, action items, and decisions
Decibel Meter
Measure ambient sound levels in real-time using your device's microphone. Understand your environment's noise status, save measurement sessions, and generate PDF reports with data and scene photos. Useful for everyday reference and record-keeping.
- Real-time decibel readings
- Spectrum analysis
- Environment status labels
- Session statistics
- Measurement history
- Audio playback
- Scene photo records
- PDF reports
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Decibel Meter turns your phone into a quick way to check how loud a place really is. Tap Start and you see the current sound level in dB with a live spectrum. End the session and the app keeps the average, peak and minimum values, the duration and the audio it recorded, so you can go back and compare later. WHAT YOU CAN DO • Live dB reading with a spectrum that reacts to the room • Save a session together with its audio and stats • Review every session in History and replay the recording • Generate a PDF report from a session, or attach one you already have • Take a scene photo with the time, place and reading printed on it • Calibrate the offset so readings sit closer to a reference meter • Compare a reading with familiar places: library, office, traffic, construction WHERE PEOPLE USE IT • Noise from renovation, machines or the road outside • Talking to a neighbour, a landlord or a building manager with something concrete • Checking whether a bedroom or study is quiet enough • Comparing two rooms, or the same room before and after a change EVERYTHING STAYS ON YOUR PHONE Recordings, reports and photos are saved on the device. The app does not upload them. PERMISSIONS • Microphone: needed to measure sound. Keep the app in the foreground while measuring. • Camera and location: used only when you take a scene photo with the reading on it. PLEASE NOTE Readings come from your phone's microphone, so they vary between devices and are affected by cases, dust and system audio processing. Calibration helps, but the numbers and reports are for reference and comparison only. They do not replace a calibrated sound level meter or a certified test report. Free with ads.
Screenshots
Verdict
The clearest difference is price: MinuteONE at Free against Decibel Meter's $0.99. Decibel Meter's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 26.0). On update cadence, 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
MinuteONE is free to download; Decibel Meter costs $0.99 up front. MinuteONE sells 1 one-off in-app purchase. Decibel Meter asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | MinuteONE | Decibel Meter |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Paid |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Sonne | 恒盛 程 |
In-app purchases
MinuteONE
- MinuteONE Unlimited$4.99
Decibel Meter
No in-app purchases









