Compressly vs FormatBox
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Compressly
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That 4K video you just shot is eating your storage, and it's too big to text, post, or back up. Compressly shrinks it in seconds β right on your iPhone β so you keep the moment, lose the gigabytes, and never wait through a spinning wheel or a crash again. THE FASTEST COMPRESSOR ON IPHONE Compressly uses your iPhone's built-in hardware video encoder instead of slow software conversion. A clip that takes other apps minutes is done in seconds, and it won't choke or crash on long 4K recordings. Fast and stable, every time. PICK YOUR QUALITY IN ONE TAP Three simple presets cover everything: Low for the smallest possible file, Medium for everyday sharing, and High when you want to keep a video looking great. No confusing bitrate sliders or codec menus β just choose and go. SMART AI RECOMMENDATIONS Tell Compressly what the video is for and it picks the right settings for you β trimmed down for WhatsApp and iMessage, sized right for Instagram and social, or kept high-quality for archiving. The perfect balance of size and quality without the guesswork. COMPRESS IN BATCHES Select up to 20 videos and compress them all in one run. Compressly works through them one by one, shows live progress, and gives you a single summary of everything you saved β perfect for clearing out a full camera roll. SEE EXACTLY HOW MUCH YOU SAVE Every result shows your Before and After size and the percentage you reclaimed, front and center. A running lifetime total tracks every gigabyte you've freed, so clearing space finally feels rewarding instead of tedious. 100% ON-DEVICE, ALWAYS PRIVATE All compression happens on your iPhone using Apple's own frameworks. Your videos never leave your device, there's no account to create, no ads, and no tracking. Compressed files are saved into a dedicated Compressly album so your originals stay untouched and nothing gets mixed up. WHY COMPRESSLY β’ Hardware-accelerated compression β fast and crash-free β’ Low / Medium / High presets, no technical settings to learn β’ Smart AI recommendations for WhatsApp, social, and archiving β’ Batch compress up to 20 videos at once β’ Before/After savings and a lifetime space-saved tracker β’ Saves to a separate Compressly album β originals stay safe β’ 100% on-device β nothing is uploaded β’ No account, no ads, no tracking For everyone whose iPhone storage is always full β shrink your biggest videos in seconds, share them anywhere, and stop paying for storage you didn't need. SUBSCRIPTION TERMS Compressly is free to download and includes a limited number of free compressions so you can try it risk-free. Compressly PRO unlocks unlimited compressions, batch processing, and every quality preset with one of two auto-renewing subscriptions: β’ Yearly: $29.99 USD / year, with a 3-day free trial (save 92% vs. weekly). After the trial, your subscription automatically converts to a paid yearly plan unless cancelled at least 24 hours before the end of the trial period. β’ Weekly: $6.99 USD / week (no free trial). Payment will be charged to your Apple ID at confirmation of purchase. Your subscription renews automatically at the same price unless auto-renew is turned off at least 24 hours before the end of the current period; the account will be charged for renewal within 24 hours prior to the end of the current period. Local prices may vary by region; the exact price for your region is shown in the in-app subscription tile. You can manage and cancel your subscription anytime in your Apple ID Account Settings. Privacy Policy: https://getcompressly.app/privacy Terms of Use: https://getcompressly.app/terms
FormatBox
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Your all-in-one toolbox for photos, videos, PDFs, audio, and archives. Convert, compress, resize, sign, and organize β 100% on your iPhone. No cloud, no uploads, no account, no data collection, ever. WHAT YOU CAN DO QUICK CONVERT β’ HEIC to JPG, HEVC to H.264 β for universal compatibility β’ Open modern web images (WebP, AVIF, JPEG XL) and convert to JPG β’ Convert camera RAW files (DNG, CR2, NEF, ARWβ¦) to JPG or HEIC, in batch IMAGE TOOLS β’ Resize by percentage, dimension, or target file size in KB β’ Remove the background from any photo β transparent, white, or black β’ Add a text watermark to photos and videos β’ Batch rename files with a custom prefix, suffix, and numbering pattern β’ Extract text from any photo with on-device OCR β copy it or export as .txt β’ Crop, rotate, and adjust brightness/contrast before you share PDF TOOLS β’ Scan documents with your camera β automatic edge detection and perspective correction β’ Combine photos into a PDF, or export every PDF page as an image β’ Merge, split, reorder, and rotate PDF pages β’ Draw a signature and stamp it onto any page β’ Add a searchable, invisible OCR text layer to scanned PDFs β’ Compress image-heavy PDFs to a fraction of the size VIDEO & AUDIO β’ Compress video to a target size β 10 MB, 25 MB, 50 MB, or custom β’ Trim the start or end of any video, losslessly β’ Extract audio from video as M4A β’ Convert audio between M4A, WAV, FLAC, ALAC, and MP3 (128/192/320 kbps), with trimming ARCHIVE TOOL β’ Zip files together for sharing or backup β’ Create password-protected ZIP files β’ Extract ZIP, RAR, 7Z, and TAR archives EBOOK, VECTOR & FONT TOOLS β’ Convert PDF to EPUB and EPUB to PDF β’ Convert SVG to PNG/JPG, or vectorize simple icons into SVG β’ Convert TTF and OTF fonts with the bundled offline font engine PRIVACY β’ Strip GPS location, timestamps, and camera info from photos before you share them β see exactly what's embedded first IPHONE SPECIAL β’ Split Live Photos into a still JPG/HEIC and a motion MOV β’ Turn animated GIFs into MP4 video BATCH PROCESSING Select 100+ files at once and convert them all in one tap. Mixed photos, videos, and formats welcome. PRIVACY FIRST Everything runs on your iPhone. No cloud uploads. No tracking. No ads. No accounts. Terms of Use: https://taxlite.net/format_box/terms.html Privacy Policy: https://taxlite.net/format_box/privacy.html
Screenshots
Verdict
Compressly and FormatBox are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Compressly sells 2 in-app purchases, starting at $6.99 per 7 days and FormatBox sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Compressly | FormatBox |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 10 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | CloudBeat Inc. | ZHENGQIAO JIANG |
In-app purchases
Compressly
- Weekly Pro3 Days trial$6.997 Days
- Yearly Pro$29.991 Year
FormatBox
- Weekly3 Days trial$1.997 Days
- Monthly$4.991 Month
- Yearly3 Days trial$29.991 Year
- Lifetime$79.99









