SRT Flow vs FileKitPro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SRT Flow
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Key Features • Generate audio-based subtitles after selecting a video • Save translated/original subtitles (SRT, VTT) • Export original text (TXT, CSV) • Preview subtitles and check video overlays • Cache-based processing for easy retry in case of task failure • Supports Korean, English, and Japanese UI
FileKitPro
This app handles nearly all file formats, offering powerful PDF editing, conversion, and compression. It supports a vast array of document, video, audio, image, and subtitle types, all processed on your device for privacy. Free tools are available, with an optional subscription for advanced features.
- Convert nearly all file formats
- Powerful PDF editing and OCR
- Video and audio conversion tools
- Image conversion and editing
- Subtitle format conversion
- On-device file processing
- Batch processing and larger merges (paid)
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ONE APP. ALMOST EVERY FORMAT. POWERFUL PDF EDITING. Stop switching apps for every file. Convert, compress and edit PDFs, Office documents, videos, audio, images and subtitles. DOCX, XLSX, PPTX, HEIC, WebP, MP4, MKV, FLAC and more—all in one powerhouse, with no account or conversion uploads. 96 input formats. 2,300+ conversion combinations. Professional PDF editing and on-device OCR. Every supported tool is free to use; FileKitPro+ unlocks unlimited batch processing and larger merges. BUILT FOR IPHONE & IPAD • Import a file, choose your output, fine-tune settings, then save or share the result. • Convert and edit directly on your device. Your files stay yours. FULLY ADAPTED FOR iPhone Duo • Responsive folded and unfolded layouts, landscape, Split View and smarter PDF controls. • On iOS 27.1+, native navigation follows the convenient outer edge. Compatible iPads support Apple Pencil pressure and tilt. VIDEO CONVERTER & TOOLS • Convert MP4, MOV, MKV, AVI, WebM, WMV, FLV and more. • Compress videos, extract audio, or turn video clips into GIFs. • Trim, merge, crop, resize, rotate, change speed, adjust colors, and more. AUDIO CONVERTER & TOOLS • Convert MP3, WAV, M4A, FLAC, AAC, OGG, Opus, AIFF and more. • Trim, merge, normalize volume, remove silence, change speed, and apply audio filters. • Record audio in the app and convert your recordings. PDF EDITOR, OCR & DOCUMENT POWER TOOLS • Open PDFs in Reader; highlight, underline, strike through, annotate and draw with pen, pencil or marker. • Add text, notes, shapes, stamps and watermarks. Fill supported forms with dates and checkmarks, then add handwritten signatures. • Redact sensitive areas, run on-device OCR for searchable scanned PDFs, and add bookmarks. • Merge, split, compress, reorder, rotate, crop, extract, add, delete and number PDF pages. • Compare PDFs, remove metadata, protect or unlock with passwords, and convert PDFs to and from images. • Convert Office documents and more: DOCX, XLSX, PPTX, Markdown, HTML, EPUB, RTF, TXT, CSV, ODT, ODS and ODP. IMAGE CONVERTER • Convert JPG, PNG, HEIC, WebP, GIF, BMP, and TIFF. • Compress, resize, rotate, flip, and adjust image quality. SUBTITLE TOOLS • Convert SRT, VTT, and ASS subtitles. • Extract subtitle tracks or embed subtitles in video. • Detect common text encodings, including UTF-8, GBK, Shift-JIS, and EUC-KR. PRIVATE BY DESIGN File processing happens on your device. Your files are not uploaded to FileKitPro servers for conversion. No account or sign-up is required, and the app includes no analytics or tracking SDK. FREE & FILEKITPRO+ Every supported format and tool is available free. Standard tools process one input file at a time; PDF and video merge tools allow two inputs for free. FileKitPro+ unlocks unlimited batch processing, larger merges, and saving multiple results at once. Choose a monthly or yearly subscription, or a one-time lifetime purchase. Actual prices are shown in your local App Store currency. Terms of Use: https://www.filekitpro.com/terms.html Privacy Policy: https://www.filekitpro.com/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: SRT Flow at none against FileKitPro's 3. FileKitPro's advantage is ads (none vs shown) and update cadence (every 2 days vs every 4 weeks). On price, device support and iOS requirement 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
Both are free to download. FileKitPro sells 3 in-app purchases, starting at $2.99 per month. SRT Flow asks for nothing beyond the download.
SRT Flow ships an update every 4 weeks, FileKitPro every 2 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | SRT Flow | FileKitPro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 weeks | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 16 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | changok kim | 谦 徐 |
In-app purchases
SRT Flow
No in-app purchases
FileKitPro
- FileKitPro+ Monthly$2.991 Month
- FileKitPro+ Yearly$24.991 Year
- FileKitPro+ Lifetime$49.99








