Comparison

ChronoCalc Pro vs Fileroom

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

Head to head
About

ChronoCalc Pro

Features
Read full description

The simplest and most powerful way to calculate time. Perfect for pilots, freelancers, consultants, and anyone who needs to track and calculate hours with precision. FEATURES: - Pro Time Math - Add, subtract, multiply, and divide time values effortlessly. - Live Preview - See the result as you type. Tap = to save it. - Flexible Time Input - Enter time your way: 1h30m, 1:30, or with a comma. The first time you type a comma, you choose what it means: 7,5 as 7h 30m (decimal hours) or as 7h 5m (hours and minutes). - Instant Decimal Conversion - Switch between standard time (1h 30m) and decimal hours (1.50 hrs) right next to the result, with customizable decimal precision. - History - Your last 100 calculations, one tap to reuse a result. On iPad, a full-height history panel grouped by day. Delete single entries or clear it all. - Clear Error Messages - Plain-language hints show what went wrong and which line to fix. - CSV Import/Export - Import time logs or export your calculation history, with a configurable delimiter (comma, semicolon, or tab). Timesheets work in English, Norwegian, Swedish, Danish, German, French, and Spanish. - Quick Copy - Copy the result to your clipboard with a single tap. - Designed for iPhone and iPad - Layouts for portrait and landscape, with Liquid Glass on iOS 26. - Accessible - VoiceOver reads times in whole words and announces every result. Keys support Dynamic Type and the Large Content Viewer, and animations respect Reduce Motion. - Your Language - Available in English, Norwegian, Swedish, Danish, German, French, and Spanish. - Smart & Robust - Handles negative time values and seconds with correct formatting. PERFECT FOR: - Pilots: Logging flight hours and calculating block time. - Freelancers & Consultants: Tracking billable hours and creating invoices. - Project Managers: Calculating project durations and resource timing. - Anyone: Converting time formats, adding up timesheets, or any task that involves time math. No ads. No subscriptions. Your data is 100% private and never leaves your device.

About

Fileroom

Features
Read full description

Fileroom is a private, on-device file converter. Images, audio, video, PDFs, archives, ebooks, text and data formats โ€” all processed locally on your iPhone or iPad. No uploads, no waiting, no leaks. WHAT YOU CAN CONVERT โ€ข Images: JPEG, PNG, HEIC, WebP, AVIF, TIFF, BMP, GIF โ€” with crop, rotate and resize โ€ข Audio: MP3, AAC, M4A, WAV, FLAC, AIFF, OGG, Opus โ€ข Video: MP4, MOV, MKV, WebM, AVI and more โ€” plus trim and video โ†’ GIF โ€ข PDF tools: compress, merge, split, convert to images, images โ†’ PDF, scan documents, OCR, add or remove passwords โ€ข Archives: ZIP, TAR, 7Z, RAR (read) โ€” create, extract and convert, with AES-256 encrypted ZIP โ€ข Ebooks: EPUB โ†” FB2, EPUB โ†’ PDF, metadata and cover editing โ€ข Text & data: JSON โ†” YAML / TOML / XML / CSV, Markdown โ†’ HTML / PDF, Base64 / URL / Hex / Binary encode and decode YOUR FILE LIBRARY Everything you convert is saved in your Library. Organize files into folders, rename, move, search and share them โ€” the same files appear in the Files app under On My iPhone โ€บ Fileroom. PICK FROM ANYWHERE Choose files from Photos or Files, or share any file from another app and pick Fileroom to convert it right away. PRIVATE BY DESIGN Every conversion runs on your device. Files never leave your iPhone or iPad unless you share them. No accounts. No uploads. No tracking by default โ€” anonymous analytics are strictly opt-in and can be turned off any time in Settings. FILEROOM PRO Unlock everything once: โ€ข Arabic & Latin OCR โ€” scanned documents to searchable PDFs, on-device โ€ข PDF security โ€” add or remove passwords โ€ข Media tools โ€” trim, extract audio, video โ†’ GIF โ€ข Batch convert โ€” whole folders in one pass โ€ข AES-256 encryption โ€” password-protect any archive Available in 12 languages: English, Arabic, Spanish, French, German, Portuguese, Italian, Russian, Turkish, Chinese (Simplified), Japanese and Korean. PURCHASES Fileroom Pro is available as a one-time lifetime purchase, or as a monthly or yearly auto-renewable subscription. Prices are shown in the app in your local currency. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically at the same price unless cancelled at least 24 hours before the end of the current period. Manage or cancel any time in your Apple Account subscription settings. LEGAL Privacy Policy: https://fileroom.app/privacy Terms of Use (EULA): https://fileroom.app/terms

Screenshots

ChronoCalc Pro4 screens
Fileroom4 screens

Verdict

The call

The clearest difference is in-app purchases: ChronoCalc Pro at none against Fileroom's 3. Fileroom's advantage is update cadence (every 9 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Fileroom sells 3 in-app purchases, starting at $5.99 per month. ChronoCalc Pro asks for nothing beyond the download.

UpkeepUpdate frequency

ChronoCalc Pro ships an update every 5 months, Fileroom every 9 days. Both last shipped on November 5, 2026.

Scorecard2 real differences ยท 4 level
ChronoCalc Pro versus Fileroom: the parameters behind the verdict, then further details
ParameterChronoCalc ProFileroom
PriceFreeFree
Update frequencyEvery 5 monthsEvery 9 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad, Mac โ€” better
Requires iOS17.016.0 โ€” better
Further details โ€” not scored
Size4 MB214 MB
Age rating4+4+
DeveloperERLEND JOHNSRUD VAAGEMohammed Shrayyef

In-app purchases

None

ChronoCalc Pro

No in-app purchases

3 purchases

Fileroom

Subscriptions2
  • Pro โ€” Monthly$5.991 Month
  • Pro Yearly3 Days trial$59.991 Year
One-time1
  • Pro โ€“ Lifetime$150.00

Questions

Is ChronoCalc Pro free?
ChronoCalc Pro is free to download, with no in-app purchases.
Is Fileroom free?
Fileroom is free to download, with in-app purchases available.
Do ChronoCalc Pro or Fileroom have ads?
Neither ChronoCalc Pro nor Fileroom shows ads.
Which is updated more often, ChronoCalc Pro or Fileroom?
ChronoCalc Pro ships an update every 5 months, and Fileroom every 9 days. Most recently, ChronoCalc Pro was updated on November 5, 2026 and Fileroom on November 5, 2026.

Other comparisons