# Baison: Speed & Slow-Mo Editor — Trim, Crop, Rotate & Add Music

> Free video editor for speed adjustments, trimming, music, and social media cropping. (iPhone/iPad app by AppSeed, Incorporated..)

- Source: https://appshunter.io/ios/app/baison-speed-and-slow-mo-editor/id1281861564 (this page in markdown: same URL + `.md`)
- Developer: [AppSeed, Incorporated.](https://appshunter.io/developer/1268184135)
- Category: Photo & Video, Entertainment
- Price: Free
- Rating: 3.50/5 from 6 App Store ratings · 19 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 95 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2017-09-27
- Data updated: 2026-10-21
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/baison-speed-and-slow-mo-editor/id1281861564/reviews.md

## What is Baison?

Baison is an easy-to-use video editor for fast-motion, slow-motion and music videos. Change video speed, trim clips, crop the frame, rotate, flip and adjust audio volume. Turn videos from your camera roll into clips ready to share on social media.

■ Create fast-motion videos
Speed up your videos to 1.5x, 2x or 4x. A simple way to condense long recordings and give everyday moments a faster rhythm.

■ Make slow-motion videos
Slow down footage to 0.5x or 0.25x. Highlight sports, movement and those moments you want to see in detail.

■ Trim your clips
Choose the start and end points to keep only the part you need, then save your edited video.

■ Add background music
Choose from 7 built-in BGM tracks. Adjust the original audio and background music separately to find the right balance.

■ Crop for social media
Switch between 9:16 portrait, 1:1 square and 16:9 landscape formats. Prepare videos for TikTok, Instagram and YouTube Shorts.

■ Rotate and flip
Rotate in 90° steps, mirror horizontally or flip vertically. Easily correct footage recorded in the wrong orientation.

■ Adjust volume
Control the original sound and music independently to suit each scene.

■ Great for
• Adding impact with fast or slow motion
• Quick edits before sharing on social media
• Creating clips with background music
• Making portrait or square videos
• Anyone looking for a simple video editing app

■ Three simple steps
1. Choose a video.
2. Tap the editing feature you want.
3. Adjust and export.

Support: https://app-seed.com/app-support/
Official X: https://x.com/AppseedInc

The app contains ads.

## Key features

- Speed up or slow down videos
- Trim and cut video clips
- Add background music
- Crop for social media formats
- Rotate and flip videos
- Real-time preview

## Is Baison safe?

Not enough ratings yet to assess Baison.

## Is Baison legit?

Baison: Speed & Slow-Mo Editor appears to be a legitimate app. The AppsHunter Legitimacy Score for Baison is 90 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (10 of 19)

All indexed reviews: https://appshunter.io/ios/app/baison-speed-and-slow-mo-editor/id1281861564/reviews.md

### 1/5 — Idk

*2026-07-14*

It just doesn’t speed up and this made me very mad also it just darkens…?

### 5/5 — 麻雀

*2025-07-10*

おもしろいです。

### 1/5 — かなしい

*2024-07-23*

保存できない。。。

### 1/5 — 落ちまくり

*2023-10-12*

使いものにならない

### 1/5 — 動画加工アプリ名乗らないでほしい

*2022-02-22*

倍速がだめってのは他の方のレビューにも
書いてあったけど、私は低速だけ使えればいいから試しに使ってみた。

倍速→期待通りだめ
低速→音だけ×0.5で映像まっくら

はい？？？
映像すらついてこないんだけど？？

映像が流せないアプリって、
動画加工アプリとはいえないと思う。
今すぐ「音声倍速アプリ」に改名してほしい

一切お金取らないのが
せめてもの救いでした☺️✨

### 3/5 — 扱いやすい

*2021-09-29*

編集は分かりやすく、すぐに出来ます。動画のバックミュージックの種類が少な過ぎます。もっと増やしてほしいです。よろしくお願いします！

### 1/5 — バグ

*2021-03-09*

バグなのか1.5倍速で保存しても保存されている動画は0.5倍速並みの動画

### 3/5 — はい

*2020-09-13*

いいけど端末落ちしやすい

### 2/5 — 勝手に。。

*2020-06-21*

3倍速しようとしたらアプリが勝手に閉じます

### 1/5 — なぜ

*2020-06-16*

作業中に落ちてしまいます。

## Frequently asked questions about Baison

### Does Baison have ads?

Yes, Baison contains advertisements. Users can watch a short video ad to hide banner ads for 3 hours.

### What is the rating for Baison?

Baison has a rating of 4.0 stars based on 5 ratings.

### Is Baison free to use?

Yes, all features in Baison are free to use. There are no subscriptions or premium tiers.

### What devices does Baison support?

Baison is available for iPhone, iPad, and iPod.

### Can I use Baison offline?

Yes, Baison works offline after initial setup, allowing you to edit videos without an internet connection.

### What is the age rating for Baison?

Baison has an age rating of 4+.

### How often is Baison updated?

The latest version, 2.0.2, was last updated on May 11, 2026.

### Does Baison require an account to use?

No, Baison does not require an account or login. You can open and start editing immediately.

## Version history (last 5 releases)

### 2.0.6 — 2026-10-17

Thank you for using Baison!

• Speed changes now appear immediately in the preview.
• Improved playback and seeking when changing video speed.
• Improved preservation of color and brightness in HDR previews and exported videos.
• Improved video selection and recovery when returning to the app.
• Made Japanese text display more reliable on unstable internet connections.

### 2.0.5 — 2026-07-06

bug fix.

### 2.0.4 — 2026-06-21

bug fix.

### 2.0.3 — 2026-06-01

bug fix.

### 2.0.2 — 2026-05-11

bug fix.

## Apps similar to Baison

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Video & Audio Speed Changer](https://appshunter.io/ios/app/video-and-audio-speed-changer/id1644026036) | 5.0 (1) | Free | Photo & Video |
| [Video to SlowMotion - SlowEdit](https://appshunter.io/ios/app/video-to-slowmotion-slowedit/id6504156223) | 4.3 (3) | Free | Photo & Video |
| [Slow Motion : Video Editor](https://appshunter.io/ios/app/slow-motion-video-editor/id1580565943) | — | Free | Photo & Video |
| [PlayX2 / double-speed playback](https://appshunter.io/ios/app/playx2-double-speed-playback/id6458103291) | — | Free | Photo & Video |
| [Slow Motion Video Maker Pro](https://appshunter.io/ios/app/slow-motion-video-maker-pro/id1541053048) | 4.4 (9) | Free | Photo & Video |
| [Player Gear - Speed Changer](https://appshunter.io/ios/app/player-gear-speed-changer/id1044255697) | 4.6 (75) | Free | Photo & Video |

## More apps by AppSeed, Incorporated.

- [ToDoo - Simple To-Do&Checklist](https://appshunter.io/ios/app/todoo-simple-to-do-and-checklist/id1268184136)
- [Chart & Graph Maker - GraPho](https://appshunter.io/ios/app/chart-and-graph-maker-grapho/id1270587607)
- [Pedometer Step Counter Pedoro](https://appshunter.io/ios/app/pedometer-step-counter-pedoro/id1273926165)
- [Rakugaky: Draw & Doodle Photos](https://appshunter.io/ios/app/rakugaky-draw-and-doodle-photos/id1277601653)
- [GaZou - Mosaic & Crop Editor](https://appshunter.io/ios/app/gazou-mosaic-and-crop-editor/id1280255255)

All apps by AppSeed, Incorporated.: https://appshunter.io/developer/1268184135

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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 2026-10-21.*