A2V vs Keys Safe
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A2V
Easily transform audio clips into shareable videos featuring their waveforms. Ideal for social media sharing when direct audio uploads aren't supported. Simply use the share sheet to convert your sound into a visual format.
- Audio to video conversion
- Waveform visualization
- Social media sharing
- Works with Voice Memos
- Simple share sheet integration
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Social apps don't accept bare audio. A2V fixes that: it turns any audio clip — a voice memo, a song sketch, a podcast moment, a lecture — into a clean waveform video you can post to feeds, stories, and messages. Share it in seconds. From Voice Memos or any app, tap Share and choose "Convert to Video." Or open A2V to import from Files, record something new, or restyle an old clip. NINE VISUALIZATIONS Wave, Radial, Spectrum, Ribbon, and Spectrogram for classic audio looks — plus Aurora, Pulse, and Starfield, neon visuals that move with the sound and give every recording its own feel. MADE FOR EVERY PLATFORM Export Square (1:1), Vertical (9:16) for stories and short video, or Wide (16:9) for the big players. Pick your waveform and background colors to match your brand. ON-DEVICE CAPTIONS Auto-transcribe speech into burned-in captions so your words land even on mute. Captions are generated entirely on your device (requires iOS 26). A LIBRARY, NOT A ONE-SHOT Every render is saved. Replay it, rename it, share it again, or make a New Version in a different style — without re-importing the audio. PRIVATE BY DESIGN No account. No uploads. No tracking. Recording, transcription, and rendering all happen on your device. Your audio never leaves your phone. ALSO - Live preview before you render - Record straight into the app - Universal — iPhone and iPad - A Shortcuts action: "Convert Audio to Video" - Handles long imports smoothly A2V is free to use. A one-time in-app purchase removes the small watermark (and it's already free for long-time users — thanks for sticking around).
Keys Safe
Securely store and encrypt your vital data and files with this versatile vault. Protect passwords, notes, photos, and documents with multiple layers of encryption and customizable security options.
- Encrypted storage for various file types
- Customizable password complexity
- Proactive protection against brute force attacks
- Integrated password generator
- Smart export and sharing functions
- Advanced import for multiple formats
- AES 256 encryption
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The safest, most versatile and convenient vault for storing data and files on your iPhone and iPad. Keys Safe protects your most sensitive data and files with military-grade encryption — entirely on your device, no cloud, no leaks, no compromises. Designed for professionals and privacy-conscious users who demand the highest standard of data security. --- Try Keys Safe for free --- Tailored Password Complexity Keys Safe adapts to your security requirements by offering multiple authentication methods: - Numeric keypad — from 6 to 23 digits - Alphanumeric — mix letters, symbols and numbers freely - Gesture / Pattern with resizable grid (iPad) - Face ID and Touch ID for everyday convenience Pro-Active Protection Against Brute Force To prevent any unauthorised access attempt, repeated unsuccessful password entries trigger an automatic 3-minute lockout — blocking all further attempts until the timer expires. Built-in Password Generator Generate strong, fully customizable passwords directly within the app and store them instantly in your encrypted vault. Encrypted Backup & Recovery Create fully encrypted backups of your vault and store them securely in iCloud, on your computer, or any location of your choice. Your backup is protected by the same AES-256 encryption as your vault — unreadable without your password, accessible only by you. Smart Export & Sharing Share notes and files between your devices using Keys Safe's proprietary encrypted format (KSX). Export all your notes as CSV or plain text files at any time. Advanced Import Keys Safe supports a wide range of formats — PDF, images, videos, Microsoft Office documents, iWork documents, CSV, text, ZIP and more — with no size restrictions. --- Free Download --- Main Features - Encrypted storage for passwords, notes, PDF files, photos, iWork files and Microsoft Office documents (Word, Excel, PowerPoint) - Encrypted backup to iCloud, local storage or any destination of your choice - Import files from other apps or via Finder file sharing and AirDrop - Export your data to any medium - Customisable password generator - AES-256 encryption with a self-generated 32-character key - Automatic 3-minute lockout after repeated failed attempts - Biometric or password authentication — your choice - Organise your data with fully customisable groups Your Privacy, Guaranteed Keys Safe collects zero data and sends nothing anywhere. Everything stays on your device. Without your password, no one — not even us — can read what you store. Even if your device is lost, stolen or compromised, your data remains completely unreadable. --- Try Keys Safe for free ---
Screenshots
Verdict
The clearest difference is price: A2V at Free against Keys Safe's $12.99. A2V also leads on rating (5.0 vs 4.3). Keys Safe's advantage is update cadence (every 5 weeks vs every 17 months) and ratings volume (7 vs 1). On review sentiment, 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
A2V is free to download; Keys Safe costs $12.99 up front. A2V sells 1 one-off in-app purchase and Keys Safe sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
A2V holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Keys Safe has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.
A2V ships an update every 17 months, Keys Safe every 5 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.
| Parameter | A2V | Keys Safe |
|---|---|---|
| Price | Free — better | $12.99 |
| Rating | 5.0 (1 ratings) — better | 4.3 (7 ratings) |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 17 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 4 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Kaolin Fire | Laurent Bottigliengo |
Customer experience
A2V
Keys Safe
In-app purchases
A2V
- Remove Watermark$0.99
Keys Safe
- Unlimited$7.99









