Comparison

Quick Subtitles vs Image Video PDF Compressor

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

Image Video PDF Compressor

Effortlessly reduce the file size of images, videos, and PDFs while preserving high quality. Optimize media for storage, web, or sharing with intuitive tools and batch processing.

Highlights
  • Smart image compression with quality control
  • Video compression with codec and resolution adjustment
  • PDF compression with searchable text preservation
  • Batch processing for multiple files
  • Compression history and statistics
  • Metadata preservation or stripping
Features
Read full description

Image, Video & PDF Compressor - Smart Media Optimizer Effortlessly reduce image, video, and PDF file sizes while maintaining stunning quality. Transform your media with our powerful, intuitive compression app. Whether you're freeing up storage space, preparing files for web upload, or optimizing media for sharing, Compressor delivers professional results with just a few taps. Key Features Smart Image Compression - Quality Control - Fine-tune compression from 10% to 100% - Target Size - Set specific file size goals in KB or MB - Custom Dimensions - Resize to exact pixel dimensions or preset ratios - Format Conversion - Convert between JPEG, HEIC, PNG, and PDF Video Compression - Compress videos with High, Medium, or Low quality presets - Choose between H.264 and HEVC codecs - Adjust resolution: 4K, 1080p, 720p, 480p, or keep original - Real-time progress tracking with size estimates PDF Compression - Compress PDF documents while preserving readability - Multiple quality presets: Lossless, Balanced, or Maximum - Text remains searchable and selectable after compression - Perfect for email attachments, form submissions, and archiving Batch Processing - Compress multiple images at once - Proportional target sizing across batches - Save or share all results in one tap Compression History & Stats - Timeline view grouped by date with thumbnail previews - Track total compressions, space saved, and average reduction - Detailed breakdowns for every compression you've made Professional Tools - Preserve or strip photo metadata (EXIF, GPS, timestamps) - Maintain aspect ratios or set custom dimensions - Export to Photos, share, or save to Files - Auto-save option for faster workflows Perfect For: - Content Creators - Optimize images, videos, and PDFs for social media and websites - Students & Professionals - Shrink PDFs and images to meet upload size limits - Travelers - Free up storage space without losing precious memories - Everyone - Reduce storage usage and speed up sharing Why Choose Compressor? - No Quality Loss - Advanced algorithms preserve clarity - Lightning Fast - Process media in seconds, not minutes - Privacy First - All processing happens on your device, nothing leaves your phone - Smart Presets - Automatically calculated optimal compression settings - iCloud Sync - Your compression history syncs across devices - Beautiful Design - Clean interface with iOS 26 support Download Compressor today and discover the easiest way to optimize your photos, videos, and PDFs without compromising quality. Terms of Use: https://www.theblackholecompany.com/termsConditions.html

Screenshots

Quick Subtitles4 screens
Image Video PDF Compressor4 screens

Verdict

The call

The clearest difference is review sentiment: Image Video PDF Compressor at 100% against Quick Subtitles's 0%. Image Video PDF Compressor also leads on price (Free vs $29.99) and ratings volume (16 vs 4). Quick Subtitles's advantage is rating (4.8 vs 4.5) and update cadence (every 2 weeks vs every 5 weeks). On ads, in-app purchases, monetization model 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

Image Video PDF Compressor is free to download; Quick Subtitles costs $29.99 up front. Quick Subtitles sells 1 one-off in-app purchase and Image Video PDF Compressor sells 6 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Quick Subtitles holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 4 and 16 respectively. Written reviews complicate that: 0% of Quick Subtitles's written reviews are positive against 100% of Image Video PDF Compressor's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Quick Subtitles ships an update every 2 weeks, Image Video PDF Compressor every 5 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard6 real differences · 4 level
Quick Subtitles versus Image Video PDF Compressor: the parameters behind the verdict, then further details
ParameterQuick SubtitlesImage Video PDF Compressor
Price$29.99Free — better
Rating4.8 (4 ratings) — better4.5 (16 ratings)
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings416 — better
Update frequencyEvery 2 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS26.017 — better
Further details — not scored
Size37 MB72 MB
Age rating4+4+
DeveloperMatt BirchlerYoussef Ismaili

Customer experience

Quick Subtitles

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Image Video PDF Compressor

All ratings16 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Quick Subtitles

One-time1
  • Premium$24.99
6 purchases

Image Video PDF Compressor

Subscriptions4
  • Unlimited access3 Days trial$1.997 Days
  • Compressor Pro Weekly$4.997 Days
  • Full Access$9.991 Year
Show 1 more
  • Compressor Pro Yearly$29.991 Year
One-time2
  • Ulimited access$19.99
  • Compressor Pro$49.99

Questions

Is Quick Subtitles free?
Quick Subtitles costs $29.99, and also offers in-app purchases.
Is Image Video PDF Compressor free?
Image Video PDF Compressor is free to download, with in-app purchases available.
Which has better reviews, Quick Subtitles or Image Video PDF Compressor?
Quick Subtitles is rated higher. Quick Subtitles averages 4.8 out of 5 from 4 ratings, while Image Video PDF Compressor averages 4.5 from 16 ratings.
Do Quick Subtitles or Image Video PDF Compressor have ads?
Neither Quick Subtitles nor Image Video PDF Compressor shows ads.
Which is updated more often, Quick Subtitles or Image Video PDF Compressor?
Quick Subtitles ships an update every 2 weeks, and Image Video PDF Compressor every 5 weeks. Most recently, Quick Subtitles was updated on October 7, 2026 and Image Video PDF Compressor on October 8, 2026.

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