Comparison

Quick Subtitles vs Unit Conversion for Safari

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Quick Subtitles

This app converts audio and video files into accurate text transcriptions and subtitle files directly on your device. It offers AI-powered cleanup for error correction and advanced transcript analysis for summaries and key takeaways. All processing is done locally for enhanced privacy.

Highlights
  • On-device transcription
  • Export as text or SRT
  • AI-powered cleanup
  • Transcript analysis (summaries, notes)
  • Transcription history
  • Editable transcripts
Features
Read full description

Quick Subtitles is a powerful, but simple app that transforms audio and video files into accurate text transcriptions and subtitle files, 100% on your own device. Just drag, drop, and done. Drop any audio or video file into the app and get a full transcription in seconds. Export as plain text or SRT subtitle files, ready for your favorite video editor. Two Speech Engines - Apple Speech Analyzer - Fast and accurate, built right into your device - NVIDIA Parakeet V3 - Up to 2x faster transcription on Apple Silicon (free download) AI-Powered Cleanup Transcriptions aren't always perfect. Use AI to find and fix errors with an inline review that shows you exactly what changed before you accept. Or turn on YOLO mode and let it fix everything automatically. Choose your AI: use the built-in Quick Subtitles AI included with Premium, or bring your own API key for Google Gemini or OpenAI. AI Transcript Analysis Go beyond transcription. Use AI to generate summaries, show notes, key takeaways, action items, or anything else with fully customizable prompts. Built for Your Workflow - Transcription history keeps all your past work organized - Editable transcripts so you can make corrections by hand - Real-time progress with words-per-second metrics Privacy First All transcription happens on your device. Your audio never leaves your iPhone or iPad. Requirements: iOS or iPadOS 26 and later. Speech recognition permission required. Privacy policy: https://birchtree.productions/apps/quick-subtitles/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Unit Conversion for Safari

Features
Read full description

Smart Unit Converter for Safari automatically detects measurements on web pages and converts them instantly while you browse. When reading international websites, you often see unfamiliar units such as Fahrenheit, miles, inches, pounds, or gallons. This extension detects those values directly on the page and displays the converted result next to them so you can understand measurements immediately. Unlike traditional unit converter apps, Smart Unit Converter works directly inside Safari. You do not need to copy values or search for conversions. Everything appears automatically while you browse. The extension supports bidirectional conversion between metric and imperial units. Whether a page uses Fahrenheit or Celsius, miles or kilometers, pounds or kilograms, both units are displayed so you can instantly understand the measurement. Examples 70°F (≈ 21°C) 25°C (≈ 77°F) 5 miles (≈ 8 km) 10 km (≈ 6.2 mi) 10 lb (≈ 4.5 kg) 1 gallon (≈ 3.78 L) Key Features Automatic unit detection on web pages Bidirectional conversion between metric and imperial units Supports temperature length weight and volume conversions Inline display or hover display modes Click converted values to copy Enable or disable conversion for specific websites Category control for temperature length weight and volume Fast local processing with no external communication Smart Unit Converter for Safari is designed to be lightweight, fast, and privacy friendly. All processing happens locally in your browser with no data collection. The extension supports multiple languages and automatically adapts to your system language. Perfect for reading international articles, shopping online, DIY tutorials, technical documentation, and global news.

Screenshots

Quick Subtitles4 screens
Unit Conversion for Safari4 screens

Verdict

The call

The clearest difference is price: Unit Conversion for Safari at $1.99 against Quick Subtitles's $29.99. Unit Conversion for Safari also leads on in-app purchases (none vs 1) and iOS requirement (15.0 vs 26.0). Quick Subtitles's advantage is update cadence (every 2 weeks vs every 2 months). On 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

CostPrice · In-app purchases · Ads · Monetization

Quick Subtitles costs $29.99 and Unit Conversion for Safari $1.99 up front. Quick Subtitles sells 1 one-off in-app purchase. Unit Conversion for Safari asks for nothing beyond the download.

UpkeepUpdate frequency

Quick Subtitles ships an update every 2 weeks, Unit Conversion for Safari every 2 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
Quick Subtitles versus Unit Conversion for Safari: the parameters behind the verdict, then further details
ParameterQuick SubtitlesUnit Conversion for Safari
Price$29.99$1.99 — better
Rating4.8 (4 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS26.015.0 — better
Further details — not scored
Size37 MB4 MB
Age rating4+4+
DeveloperMatt BirchlerSeiya.k

In-app purchases

1 purchases

Quick Subtitles

One-time1
  • Premium$24.99
None

Unit Conversion for Safari

No in-app purchases

Questions

Is Quick Subtitles free?
Quick Subtitles costs $29.99, and also offers in-app purchases.
Is Unit Conversion for Safari free?
Unit Conversion for Safari costs $1.99, with no in-app purchases.
Do Quick Subtitles or Unit Conversion for Safari have ads?
Neither Quick Subtitles nor Unit Conversion for Safari shows ads.
Which is updated more often, Quick Subtitles or Unit Conversion for Safari?
Quick Subtitles ships an update every 2 weeks, and Unit Conversion for Safari every 2 months. Most recently, Quick Subtitles was updated on October 7, 2026 and Unit Conversion for Safari on October 8, 2026.

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