Audio Speed Modifier vs Video Speed Editor Slow Motion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Audio Speed Modifier
Adjust the playback speed and pitch of audio and video files. This free utility also allows for the creation of A/B loops for focused listening or practice.
- Change playback speed
- Adjust pitch
- Create A/B loops
- Lightweight design
- Free to use
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An simple, lightweight and free app for changing audio and video playback speed and pitch and for creating A/B loops
Video Speed Editor Slow Motion
Easily adjust the playback speed of your videos to create slow-motion or fast-forward effects. Preview your changes before saving, with options for fine-tuning speed and audio pitch. This app processes everything offline, ensuring your privacy.
- Adjust playback speed (0.25x to 4x)
- Fine-tune speed (0.2x to 10x) with Pro
- Section-by-section speed changes (Pro)
- Preview before saving
- Muted, speed-linked, or natural pitch audio
- Fully offline processing
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A simple app for changing the playback speed of your videos and saving them directly to your Camera Roll. Built for anyone who wants slow-motion or speed-up clips without the hassle. Pick a speed, export, done. 【What this app does】 · Export at 0.25x, 0.5x, 0.75x, 1.5x, 2x, 3x, or 4x speed · Preview the result before saving to Camera Roll · Pro: change speed section by section within a single video · Pro: fine-tune any speed from 0.2x to 10x · Pro: set your target length and the speed is calculated automatically · Three audio modes: muted, speed-linked, or natural pitch (Pro) · Up to 1 video per day free; Pro (¥300) unlocks unlimited exports · Fully offline — your videos never leave your device · No ads 【Pro plan】 One-time $2.99 unlocks: · Change speed section by section within one video · Voice stays natural, even at high speed · Fine-tune speed from 0.2x to 10x · Set the target length and let the app calculate the speed · Unlimited exports · No subscription, ever 【Privacy】 All processing happens on-device. No network requests. No uploads.
Screenshots
Verdict
The clearest difference is monetization model: Audio Speed Modifier at free against Video Speed Editor Slow Motion's free with in-app purchases. Audio Speed Modifier also leads on ratings volume (4 vs 1). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Audio Speed Modifier sells 1 one-off in-app purchase and Video Speed Editor Slow Motion sells 1 one-off in-app purchase. 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 Audio Speed Modifier against 5.0 for Video Speed Editor Slow Motion. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Audio Speed Modifier ships an update every 10 days, Video Speed Editor Slow Motion weekly. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.
| Parameter | Audio Speed Modifier | Video Speed Editor Slow Motion |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 10 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 58 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Na Liang | SAYAKA KAMIYA |
In-app purchases
Audio Speed Modifier
- Pro Lifetime$2.99
Video Speed Editor Slow Motion
- Video Speed Pro$2.99
Questions
Is Audio Speed Modifier free?
Is Video Speed Editor Slow Motion free?
Which has better reviews, Audio Speed Modifier or Video Speed Editor Slow Motion?
Do Audio Speed Modifier or Video Speed Editor Slow Motion have ads?
Which is updated more often, Audio Speed Modifier or Video Speed Editor Slow Motion?
Other comparisons
