# FTP Server vs Calc Pro HD

The clearest difference is review sentiment: Calc Pro HD at 89% against FTP Server's 20%. Calc Pro HD also leads on rating (4.7 vs 1.9) and update cadence (every 3 months vs every 7 months). FTP Server's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price and ratings volume there is nothing between them.

Both are free to download. Calc Pro HD sells 10 one-off in-app purchases. FTP Server asks for nothing beyond the download.

Calc Pro HD holds the better App Store score, 4.7 against 1.9. Both are backed by a comparable volume of ratings — 570 and 1.5K respectively. Written reviews point the same way: 20% of FTP Server's written reviews are positive against 89% of Calc Pro HD's.

FTP Server ships an update every 7 months, Calc Pro HD every 3 months. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | FTP Server | Calc Pro HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (570 ratings)](https://appshunter.io/ios/app/ftp-server/id346724641/reviews) | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/calc-pro-hd-ipad-calculator/id457004119/reviews)** |
| Number of ratings | 570 | **1.5K** |
| Positive reviews | 20.3% of reviews | **88.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 59 MB |
| Requires iOS | **3.1** | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Savy Soda Pty Ltd](https://appshunter.io/developer/295726257) | [Panoramic Software Inc.](https://appshunter.io/developer/329216366) |

## What reviewers say

### FTP Server

[App page](https://appshunter.io/ios/app/ftp-server/id346724641)

Transform your iPhone or iPod into a wireless FTP server. Easily copy, view, and back up files and folders directly to your device. Access your data from anywhere without needing USB drives.

**Highlights:** Wireless FTP server, Copy files and folders, View uploaded files, Backup files, Edit text and CSV files, Compatible with OS X Finder and Windows Explorer

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Works as advertised
- 🚀 Fast file transfers
- 💡 Useful for temporary storage

**What reviewers complain about**

- 🐛 Buggy and unstable
- 🔍 Limited file management capabilities
- 🤔 Unclear or confusing UI

**Reported bugs**

- App crashes during file uploads
- On/off switch not responsive
- Buttons and controls not working as expected

**Requested features**

- Better file browsing and management
- Support for more file types
- Ability to access device's photo library


### Calc Pro HD

[App page](https://appshunter.io/ios/app/calc-pro-hd-ipad-calculator/id457004119)

This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to replace your physical calculator. It includes scientific, graphing, unit conversion, and financial tools, catering to students and professionals for a wide range of calculations.

**Highlights:** 10 powerful calculators, 10 financial worksheets, Scientific calculator with RPN, Graphing calculator, Unit converter (3000+ conversions), World currencies converter, Date & Time calculator

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base Conversions | $0.99 | one-time |
| Date & Time Calculator | $0.99 | one-time |
| Design Pack | $0.99 | one-time |
| Graphing Calculator | $0.99 | one-time |
| Statistics Calculator | $0.99 | one-time |
| World Currencies | $0.99 | one-time |
| Constants | $1.99 | one-time |
| Financial Calculator | $1.99 | one-time |
| Unit Converter | $1.99 | one-time |
| Full Version | $7.99 | one-time |

**What reviewers like**

- 🚀 Comprehensive features
- 👍 Easy to use
- 💡 Versatile with various calculators
- 🔒 No ads in free version
- 👍 Large, clear buttons

**What reviewers complain about**

- 🐛 Conversion errors
- 💰 Expensive to unlock all features
- 🐛 Crashes and compatibility issues
- 🔒 Requires re-purchasing on new devices

**Reported bugs**

- Crashes on iOS 14.3
- Currency converter not updating

**Requested features**

- Bluetooth keyboard support
- Statistical functions
- Landscape mode on iPad
- Improved date/time calculator


## Frequently asked questions

### Is FTP Server free?

FTP Server is free to download, with no in-app purchases.

### Is Calc Pro HD free?

Calc Pro HD is free to download, with in-app purchases available.

### Which has better reviews, FTP Server or Calc Pro HD?

Calc Pro HD is rated higher. FTP Server averages 1.9 out of 5 from 570 ratings, while Calc Pro HD averages 4.7 from 1.5K ratings.

### Do FTP Server or Calc Pro HD have ads?

Calc Pro HD shows ads; FTP Server does not.

### Which is updated more often, FTP Server or Calc Pro HD?

FTP Server ships an update every 7 months, and Calc Pro HD every 3 months. Most recently, FTP Server was updated on October 21, 2026 and Calc Pro HD on October 20, 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.*