# DualPane vs Freestyle Calculator

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.

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.

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.

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

## The numbers

| Metric | DualPane | Freestyle Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/dualpane/id6760218341/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/freestyle-calculator-sci-and-fx/id6760956908/reviews) |
| Number of ratings | 2 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 27 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Wolfram Wacker](https://appshunter.io/developer/1843968515) | [锋 邹](https://appshunter.io/developer/1863829052) |

## What reviewers say

### DualPane

[App page](https://appshunter.io/ios/app/dualpane/id6760218341)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DualPane Pro | $2.99 | one-time |


### Freestyle Calculator

[App page](https://appshunter.io/ios/app/freestyle-calculator-sci-and-fx/id6760956908)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcStudio Pro Monthly | $0.99 | per month |
| CalcStudio Pro Annual | $3.99 | per year |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| CalcStudio Pro Lifetime | $7.99 | one-time |
| Large Tip | $9.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*