Comparison

DualPane vs Freestyle Calculator

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

Head to head
About

DualPane

This app offers a dual-pane interface for efficient file management on Apple devices. It allows side-by-side browsing, file transfers, organization, and archive handling. Advanced features are available for power users.

Highlights
  • Dual-pane file management
  • Side-by-side folder browsing
  • File copy and move
  • Archive creation and extraction
  • Text file preview
  • Batch renaming (Pro)
  • Duplicate file finding (Pro)
Features
Read full description

DualPane is a focused dual-pane file manager for iPhone, iPad and Apple Silicon Mac that makes everyday file work faster, clearer and more efficient. Browse two folders side by side, move and copy files between locations, organize documents, manage archives, preview text files and work with shared files from other apps. DualPane is designed for practical file workflows without clutter. Whether you are sorting downloads, organizing project folders, reviewing shared files or working with archives, DualPane gives you a faster way to manage files directly on your device. DualPane Pro unlocks advanced tools for power users, including batch rename, folder compare, duplicate finding, within-pane copy and move, archive browsing, text editing and more. Key Features: • Dual-Pane file management for faster file operations • Long-press any file or folder to access the context menu • Browse folders side by side, copy and move files between panes • Adjustable pane widths (drag the divider, reset in settings) • Open folders, navigate subfolders and manage files efficiently • Rename files and folders • Create new folders • Delete files and folders • Search within the active pane, including subfolders • Import files from other apps with the share extension • Review pending imports before saving them into a folder • Preview text-based files such as TXT and JSON • Share files to other apps, AirDrop, Print or Save to Files • Create and extract archives • Preview archive contents and handle unsupported files more clearly • Works on iPhone, iPad and Apple Silicon Mac DualPane Pro: • Undo renames, file moves and supported local deletions • Recover deleted files and folders using Recently Deleted. • Batch rename multiple files • Advanced batch rename options • Compare left and right folders • Find duplicate files • Copy to another folder within the same pane • Move to another folder within the same pane • Browse archive contents before extraction • Extract only selected files from archive preview • Edit and save text-based files directly in the app • Share folders and selections as archive files • Customization for pane background colours • Customization for bottom toolbar icon styles • Saved Workspaces

About

Freestyle Calculator

This app offers real-time calculation previews and flexible expression editing, eliminating the need for an equals button. It saves all calculations with a searchable history and includes unit and currency conversion. Advanced features allow for custom keyboard layouts, themes, and cloud synchronization.

Highlights
  • Real-time calculation preview
  • Flexible expression editing
  • Searchable calculation history
  • Unit and currency conversion
  • Customizable keyboard layouts
  • Cloud synchronization
Features
Read full description

Freestyle Calculator gives you real-time expression editing on iPhone and iPad. Start typing and watch the result update live — no equals button needed. Move the cursor anywhere in your expression, edit freely, and the preview adjusts instantly. Every calculation is saved with a searchable, annotated history. CORE FEATURES ▸ Real-time preview — see results as you type ▸ Expression editing — backspace, insert, or reposition the cursor ▸ Searchable history — pin, copy, annotate, or reuse any calculation ▸ Unit conversion — length, mass, area, volume, temperature, time ▸ Reference exchange rates — multiple providers with automatic fallback ▸ Widgets — exchange rates and formulas on your home and lock screen PRO FEATURES ▸ Keyboard Studio — rearrange keys, save multiple layouts (Compact / Standard / Scientific) ▸ Theme Studio — 10 keyboard themes, accent colors, key density, dark mode ▸ Custom Formulas — reusable workflows with variables and live FX rates ▸ Sessions — organize work into named groups with notes and pins ▸ Cloud Sync — back up everything to iCloud, restore on any device Always available: real-time preview, full history, unit conversion, and scientific keys. No ads, no accounts, no server dependency. Your data stays on your device by default. Privacy Policy: https://apps.foamzou.com/freestyle-calculator/privacy/ Terms of Use: https://apps.foamzou.com/freestyle-calculator/terms/

Screenshots

DualPane4 screens
Freestyle Calculator4 screens

Verdict

The call

The clearest difference is monetization model: DualPane at free against Freestyle Calculator's freemium. DualPane also leads on update cadence (every 2 days vs weekly). Freestyle Calculator's advantage is ratings volume (8 vs 2) and iOS requirement (16.0 vs 18.0). On price, rating, review sentiment and ads 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. DualPane sells 1 one-off in-app purchase and Freestyle Calculator sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for DualPane against 5.0 for Freestyle Calculator. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

DualPane ships an update every 2 days, Freestyle Calculator weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
DualPane versus Freestyle Calculator: the parameters behind the verdict, then further details
ParameterDualPaneFreestyle Calculator
PriceFreeFree
Rating5.0 (2 ratings)5.0 (8 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings28 — better
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.0 — better
Further details — not scored
Size3 MB27 MB
Age rating9+4+
DeveloperWolfram Wacker锋 邹

Customer experience

DualPane

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Freestyle Calculator

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

DualPane

One-time1
  • DualPane Pro$2.99
6 purchases

Freestyle Calculator

Subscriptions2
  • CalcStudio Pro Monthly$0.991 Month
  • CalcStudio Pro Annual7 Days trial$3.991 Year
One-time4
  • Small Tip$0.99
  • Medium Tip$3.99
  • CalcStudio Pro Lifetime$7.99
Show 1 more
  • Large Tip$9.99

Questions

Is DualPane free?
DualPane is free to download, with in-app purchases available.
Is Freestyle Calculator free?
Freestyle Calculator is free to download, with in-app purchases available.
Which has better reviews, DualPane or Freestyle Calculator?
DualPane and Freestyle Calculator are both rated 5.0 out of 5 on the App Store, from 2 and 8 ratings respectively.
Do DualPane or Freestyle Calculator have ads?
Neither DualPane nor Freestyle Calculator shows ads.
Which is updated more often, DualPane or Freestyle Calculator?
DualPane ships an update every 2 days, and Freestyle Calculator weekly. Most recently, DualPane was updated on October 24, 2026 and Freestyle Calculator on October 28, 2026.

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