Proof Recorder vs Unitloft
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Proof Recorder
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Built to protect you — a recording tool designed for moments that matter. The moment you open the app, recording starts. No buttons, no setup. Just open and record. Designed to waste not even a second in urgent situations. [ Key Features ] ■ Instant Recording on Launch Recording starts automatically the moment you open the app. No interaction needed — respond to urgent situations immediately. ■ Pause and Resume Record only the moments that matter. Pause and resume at any time during recording. Full control from Dynamic Island, Live Activity, and the home widget. ■ Auto-Send via Email When recording ends, the file is automatically sent to your configured email address. Presets for Gmail, Naver, Daum/Kakao, Yahoo, Yahoo! Japan, and iCloud. Full SMTP standard support (SSL/TLS and STARTTLS). ■ SHA-256 Hash Integrity Every recording is sent with its SHA-256 hash. Cryptographically prove that your file has not been tampered with — crucial for evidentiary reliability. ■ Lock Screen Control Center Widget Add the recording widget to Control Center and start recording directly from the lock screen. One tap, no app-hunting. ■ Live Activity Timer Recording time is shown in real time on the lock screen and Dynamic Island. Check your recording status without returning to the app. [ Privacy & Security ] ■ Direct SMTP, No Middleman Recordings are sent directly to your own email server. No third-party server in the middle, so your recordings are never exposed externally. ■ On-Device Processing All recording and processing happens on your device. Recordings are never uploaded to any external cloud. [ Technical Specs ] • Audio format: AAC (32kbps, 16kHz mono) • File size: ~0.24MB per minute (~14MB for 1 hour) • Attachment limit: 18MB (~75 minutes continuous) • Recordings under 3 seconds are auto-deleted (prevents accidental captures) • Background recording supported [ Recommended For ] • Those documenting unfair workplace situations • Those preserving important meetings or consultations • Those preparing for legal situations that require evidence • Those needing fast, secure voice memos Designed for urgent moments — start quickly, store safely. No complex setup. Just open, record, and let it send itself. That's all.
Unitloft
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Convert named lists together, review each result with its units, and save the worksheet for the next job. HOW IT WORKS 1. Open Sheets and choose a category plus the source and destination units. 2. Enter up to 200 lines, optionally using Label = number, and review row errors. 3. Save a worksheet, load it again, or share the results as CSV text. The main converter, recipe scaling, pinned conversions and recent conversions remain available. Worksheets use the same unit catalog, including the temperature offset between Celsius and Fahrenheit. WHAT TO KNOW Supports the units in the app catalog. Use your decimal separator without unit symbols or thousands separators. Invalid rows remain visible and block sharing. Up to 30 worksheets are retained. CSV is shared as text. Fuel-economy values must be positive. iPhone and iPad.
Screenshots
Verdict
The clearest difference is price: Proof Recorder at Free against Unitloft's $2.99. Unitloft's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement 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
Proof Recorder is free to download; Unitloft costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Proof Recorder ships an update every 10 days, Unitloft fortnightly. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.
| Parameter | Proof Recorder | Unitloft |
|---|---|---|
| Price | Free — better | $2.99 |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Saturn Studio | Robert Corbin |
In-app purchases
Proof Recorder
No in-app purchases
Unitloft
No in-app purchases









