Compress AI vs Subfier
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Compress AI
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Compress AI β Fast Offline Video Compressor for iPhone Compress AI is the professional video compressor built for iPhone users who need to shrink videos, reduce file size, and free up storage space without compromising video quality. Whether you're sharing videos on social media, sending files via email, or simply managing your iPhone storage, Compress AI delivers fast, reliable compression with complete privacy. SMART VIDEO COMPRESSION Compress AI uses intelligent processing to compress videos while maintaining exceptional clarity. Our advanced compression engine analyzes each video to deliver optimal results, reducing file size by up to 80 percent without noticeable quality loss. OFFLINE PROCESSING FOR YOUR PRIVACY Unlike other video compressors, Compress AI processes everything directly on your iPhone. No uploads, no servers, no cloud processing. Your videos never leave your device, ensuring complete privacy and security. REDUCE VIDEO FILE SIZE EFFORTABLY Need to resize video files to meet platform limits? Compress AI makes it simple. Adjust video resolution, reduce file size, and optimize videos for sharing across WhatsApp, Instagram, TikTok, YouTube, email, and more. Our video file size reducer helps you meet any platform's requirements. VIDEO SHRINKER FOR STORAGE MANAGEMENT Running out of iPhone storage? Compress AI is your go-to video shrinker. Reduce large video files and reclaim valuable storage space. Whether you're storing memories or managing a video library, our file compressor helps you save space without deleting precious content. BATCH VIDEO COMPRESSION PREMIUM Upgrade to unlock powerful batch processing features. Compress multiple videos simultaneously. Process entire video albums at once. Save time with efficient batch operations. Handle large video libraries effortlessly. Professional-grade compression for content creators. KEY FEATURES Fast offline video compression. Compress video without quality loss. Reduce video file size by up to 80 percent. Resize video resolution easily. Save storage space instantly. No watermarks on compressed videos. Simple, intuitive interface. On-device processing for privacy. Works offline, no internet required. Support for multiple video formats. Premium batch compression available. FREE TO USE WITH OPTIONAL UPGRADE Free single video compression. No account or login required. Optional subscription for batch features. Transparent pricing, no hidden fees. Try before you subscribe. WHY CHOOSE COMPRESS AI Our video compressor stands out with professional-quality compression, complete offline processing, and an intuitive interface designed specifically for iPhone. We prioritize your privacy by keeping everything on your device, no uploads, no cloud processing, no data collection. Compress AI delivers fast, reliable compression whether you're reducing a single video or processing multiple files. Our smart compression technology ensures your videos maintain visual quality while significantly reducing file size. PROFESSIONAL RESULTS Built with advanced compression algorithms, Compress AI delivers professional-grade results. Our video compressor balances compression efficiency with quality preservation, ensuring your videos look great at smaller file sizes. OPTIMIZE FOR EMAIL AND MESSAGING Compress videos for email attachments and stay within file size limits. Reduce video size for WhatsApp, Telegram, Signal, and other messaging apps. Share videos faster on Instagram, TikTok, Snapchat, Facebook, and Twitter. Upload quicker to YouTube, Vimeo, Google Drive, Dropbox, and iCloud. BATCH PROCESSING FOR PROFESSIONALS Premium subscribers can compress videos in batches, saving hours of manual work. Perfect for wedding photographers, event videographers, social media managers, and content creators who handle dozens of videos daily. Batch video compression means you can select multiple videos and compress them all at once.
Subfier
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The best and most modern way to translate srt files.
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Verdict
The clearest difference is in-app purchases: Subfier at none against Compress AI's 1. Subfier also leads on update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Compress AI sells 1 one-off in-app purchase. Subfier asks for nothing beyond the download.
Compress AI ships an update every 2 months, Subfier daily. The most recent releases landed on May 16, 2026 and September 9, 2026 respectively.
| Parameter | Compress AI | Subfier |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Daily β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 15.1 β better |
| Further details β not scored | ||
| Size | 15 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Rao Touseef Ahmad | Barham Khalid |
In-app purchases
Compress AI
- Lifetime Access$5.99
Subfier
No in-app purchases





