Comparison

SRT Flow vs FileKitPro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SRT Flow

Features
Read full description

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

About

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.

Highlights
  • 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)
Features
Read full description

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

SRT Flow4 screens
FileKitPro4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
SRT Flow versus FileKitPro: the parameters behind the verdict, then further details
ParameterSRT FlowFileKitPro
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 weeksEvery 2 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.018.0
Further details — not scored
Size16 MB51 MB
Age rating4+4+
Developerchangok kim谦 徐

In-app purchases

None

SRT Flow

No in-app purchases

3 purchases

FileKitPro

Subscriptions2
  • FileKitPro+ Monthly$2.991 Month
  • FileKitPro+ Yearly$24.991 Year
One-time1
  • FileKitPro+ Lifetime$49.99

Questions

Is SRT Flow free?
SRT Flow is free to download, with no in-app purchases.
Is FileKitPro free?
FileKitPro is free to download, with in-app purchases available.
Do SRT Flow or FileKitPro have ads?
SRT Flow shows ads; FileKitPro does not.
Which is updated more often, SRT Flow or FileKitPro?
SRT Flow ships an update every 4 weeks, and FileKitPro every 2 days. Most recently, SRT Flow was updated on November 5, 2026 and FileKitPro on November 6, 2026.

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