# Exup — Multimedia Tools

> Multimedia processing tool for video conversion, compression, watermarking, and image matting. (iPhone/iPad app by 志海 刘.)

- Source: https://appshunter.io/ios/app/exup/id1581728145 (this page in markdown: same URL + `.md`)
- Developer: [志海 刘](https://appshunter.io/developer/627795449)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 3.80/5 from 5 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.1 · 44 MB
- Languages: English
- Released: 2021-08-22
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/exup/id1581728145/reviews.md

## What is Exup?

Exup is a multimedia processing tool app, simple and fast.

1. FORMAT CONVERSION
Supports conversion of multiple video formats, including mp4, flv, wmv, avi, f4v, webm, m4v, mov, asf, mpeg, ts, swf, vob, mpg, mkv; also supports video name, custom sub-video resolution, Custom video frame rate, custom video bit rate

2. COMPRESSION
Specify the compressed video size

3. WATERMARK
Support adding text watermark and image watermark at the same time; text watermark can be customized to set font, color, shadow, coordinates, etc.; image watermark can obtain pictures from local and network, and customize size and coordinates

4. IMAGE MATTING
The segmentation and matting technology is based on deep learning technology, which takes the subject as the foreground to erase the background, and is suitable for matting of scenes such as people, animals, food, cars, and objects.

ABOUT THE DEVELOPER
We are committed to developing simple, efficient and useful multimedia tools. We will continue to work hard to continue to optimize and increase the functions of the app to save more time for our users and improve their efficiency.

## Key features

- Video format conversion
- Customizable video compression
- Text and image watermarking
- Deep learning image matting
- Adjustable video resolution and frame rate

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 10 Credits | $1.99 | one-time |
| 30 Credits | $4.99 | one-time |
| 160 Credits | $19.99 | one-time |
| 70 Credits | $8.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/exup/id1581728145/reviews.md

### 1/5 — App doesn’t even open!

*2021-11-05*

I can give a score because the app doesn’t work

## Frequently asked questions about Exup

### What video formats does Exup support for conversion?

Exup supports a wide range of video formats including MP4, FLV, WMV, AVI, F4V, WebM, M4V, MOV, ASF, MPEG, TS, SWF, VOB, MPG, and MKV for conversion.

### Can I add both text and image watermarks with Exup?

Yes, Exup allows you to add both text and image watermarks simultaneously. Text watermarks can be customized with font, color, and placement, while image watermarks can be sourced locally or online and resized.

### How does Exup's image matting work?

Exup utilizes deep learning technology for image matting. This allows it to segment subjects as the foreground and erase the background, effectively isolating elements like people, animals, food, or cars.

### Does Exup have ads?

Yes, Exup contains advertisements, which is common for free utility applications.

### What devices is Exup available on?

Exup is currently available for iPhone and iPod devices.

### How often is Exup updated?

The latest version of Exup is 1.1.0, which was last updated on August 10, 2022. This indicates a moderate update frequency for the application.

### What is the age rating for Exup?

Exup has an age rating of 4+, making it suitable for a wide range of users.

### Is Exup free to download?

Yes, Exup is free to download and use, with the option for in-app purchases.

## Version history (last 3 releases)

### 1.1.0 — 2022-08-10

1. Add image matting feature
2. Optimize user experience
3. Fix bugs

### 1.0.1 — 2021-09-07

- Support gif image watermark
- Bug fixes

### 1.0.0 — 2021-08-22

No release notes.

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## More apps by 志海 刘

- [Whimspark: AI Story](https://appshunter.io/ios/app/whimspark-ai-story/id6471500524)

All apps by 志海 刘: https://appshunter.io/developer/627795449

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*