# iUSB Pro vs CalcuLatte

The clearest difference is in-app purchases: iUSB Pro at none against CalcuLatte's 1. iUSB Pro also leads on iOS requirement (9.0 vs 11.0). On price, ads and device support there is nothing between them.

Both are free to download. CalcuLatte sells 1 one-off in-app purchase. iUSB Pro asks for nothing beyond the download.

## The numbers

| Metric | iUSB Pro | CalcuLatte |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (1.1K ratings)](https://appshunter.io/ios/app/iusb-pro/id1069615726/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 14.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 21 MB | 4 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Feitianxia Technology Co, Ltd.](https://appshunter.io/developer/536103551) | [Woodsign](https://appshunter.io/developer/1126354429) |

## What reviewers say

### iUSB Pro

[App page](https://appshunter.io/ios/app/iusb-pro/id1069615726)

Expand your Apple device's storage by backing up photos, videos, and contacts to an external device. Capture media directly to external storage and transfer files between devices, including non-Apple ones. Enjoy media stored on your external drive.

**Highlights:** Backup photos and videos, Backup contacts, Save media directly to external storage, Transfer files between devices, Play media from external storage, Expand device storage

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and useful
- 👍 Great app and connector
- 🚀 Smooth file transfer

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Doesn't recognize device
- 🐛 Glitchy and unreliable
- 🐛 Compatibility issues with newer iPhones
- 🐛 Crashes when saving to camera roll

**Reported bugs**

- Doesn't work on iOS 11 or iPhone 8/X
- Folders show as empty even when files are present
- Can't transfer large videos or lots of small files
- Corrupts SD card and makes it unusable

**Requested features**

- Add support for Files app on iOS 11
- Improve music playback features
- Add option to open multiple files at once
- Provide better file management tools


### CalcuLatte

[App page](https://appshunter.io/ios/app/calculatte/id1464511080)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcuLatte Full Version | $1.99 | one-time |


## Frequently asked questions

### Is iUSB Pro free?

iUSB Pro is free to download, with no in-app purchases.

### Is CalcuLatte free?

CalcuLatte is free to download, with in-app purchases available.

### Do iUSB Pro or CalcuLatte have ads?

Neither iUSB Pro nor CalcuLatte shows ads.

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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.*