FrameSlim vs DocOne Express
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FrameSlim
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Video Compressor & Converter is a privacy-first, professional toolbox for iPhone and iPad. Compress, convert, edit, and transcribe your media without cloud uploads, user accounts, or watermarks. [ 1. SIZE & COMPRESSION ] • Smart Extreme Compression: Automatically balances quality and size, saving 60%+ storage with visually lossless results. • Target Size Limit: Shrink files strictly under 25MB for seamless sharing via email, Messages, and social apps. • Pro Custom Controls: Customize resolution (4K, 2K, 1080P, 720P), frame rate (24, 30, 60fps), and bitrate. • 3 Rate Control Modes: CRF (Constant Quality), CBR (Constant Bitrate), and VBR (Variable 2-Pass Mode). • Color & HDR Conversion: Keep 10-bit Dolby/HLG HDR or convert intelligently to Rec.709 SDR to prevent dull colors. [ 2. EDIT & TRIM ] • Millisecond Keyframe Trim: Drag with precision to eliminate unwanted footage at the start and end. • Equal Duration Split: Batch slice videos into equal parts by seconds or segment count. • Seamless Multi-Video Merge: Combine multiple clips into one continuous high-definition video. [ 3. CROP, CANVAS & GEOMETRY ] • Social Aspect Ratios: Adaptive cropping for 16:9, 9:16, 1:1, and 4:3 social formats. • Geometry Correction: 90° clockwise rotation, horizontal mirror, and vertical flip. • Video Enhancement: Brightness, contrast fine-tuning, and sharpening noise reduction. [ 4. SPEED ADJUSTMENT ] • 0.25x slow motion to 4.0x hyper-speed forward, with one-tap 1.0x reset. • Creative speed presets: Smooth deceleration, progressive acceleration, bullet time, hero moment, and montage. [ 5. AUDIO & SUBTITLES ] • Master Audio Extraction: One-tap lossless export to MP3 or M4A (64k to 320kbps). • Replace Audio Track: Strip noisy original sound and mix in your custom background music. • Complete Muting: Completely strip all audio tracks to safeguard on-site privacy. • Offline AI Subtitles: Generate SRT subtitles on-device using Apple's Neural Engine with zero data uploaded. [ 6. EXPORT & CREATION ] • High-Quality GIF Maker: Turn highlights into lightweight animated GIFs. • 4K Frame Extraction: Find the perfect frame and export pristine 4K original photos to your Photos app. • Hardware Multi-Format Conversion: MP4, MOV, ProRes, and WebM high-speed transcoding. [ PRIVACY FIRST ] • 100% On-Device Processing: All encoding, decoding, and speech recognition run locally. • No account required, zero tracking, and no ads. • Complete control over saving to Photos, Files, or sharing via AirDrop. (Note: Available codecs and hardware encoding speeds depend on your device chipset and iOS version.)
DocOne Express
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SCAN. SAVE. DONE. DocOne Express turns your iPhone into a simple, efficient document scanner. Scan documents, receipts and ID cards, correct cropping and perspective, and create multipage PDFs ready to save or share. EVERYTHING YOU NEED • Scan documents and paper pages • Dedicated modes for receipts and ID cards • Document edge detection • Crop and perspective correction • Filters to improve readability • Multipage PDFs • Page reordering • Local storage on your device • PDF export and sharing YOUR DOCUMENTS STAY ON YOUR IPHONE No account is required, and you don't need to rely on a cloud service for your document archive. Your documents can be stored directly on your device. NO SUBSCRIPTION DocOne Express is a tool, not another service you have to pay for every month. Buy the app and use it whenever you need it. SIMPLE BY DESIGN DocOne Express is designed to do one thing well: quickly turn what's in front of you into a clean, organized PDF that's ready to use. No cluttered interfaces. No unnecessary steps. Open. Scan. Save. Done.
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Verdict
The clearest difference is price: FrameSlim at Free against DocOne Express's $3.99. FrameSlim also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On update cadence, ads and in-app purchases 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
FrameSlim is free to download; DocOne Express costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FrameSlim ships an update monthly, DocOne Express every 3 weeks. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.
| Parameter | FrameSlim | DocOne Express |
|---|---|---|
| Price | Free — better | $3.99 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 36 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | 姣萍 黄 | ANTONIO PADALINO |
In-app purchases
FrameSlim
No in-app purchases
DocOne Express
No in-app purchases









