Katalyst vs Milo Link
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Katalyst
This app enhances a revolutionary workout system using Electro Muscle Stimulation (EMS) to engage all muscles simultaneously. It offers a full-body workout in just 20 minutes, with zero joint load. Access diverse workout programs and control intensity for personalized training.
- Electro Muscle Stimulation (EMS) training
- Full-body engagement
- 20-minute workouts
- Zero joint load
- Diverse workout library (strength, power, cardio, recovery)
- Adjustable impulse intensity
- Offline workout access
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The Katalyst App is the companion to the Katalyst Suit, a wearable training system powered by advanced fitness technology. Together, they deliver a full-body workout no app can deliver on its own. A Katalyst Suit is required to train. The Katalyst Suit is an FDA-cleared, patented system that uses Electro Muscle Stimulation (EMS) to engage your major muscle groups at once. Low-frequency impulses mimic the signals your brain sends to contract a muscle. Pair them with simple bodyweight movements and every rep works harder, engaging up to 90% of your muscle fibers, including the deep back stabilizers most workouts miss, with zero load on your joints. ALREADY HAVE A KATALYST SUIT The app is free. Log in or create your profile for unlimited access. NEW TO KATALYST Explore the app and preview the workouts. Get your system at katalyst.com. WORKOUT MODES FOR EVERY LEVEL Programs built by professional trainers, from your first session to elite. - Strength: complete full-body strength in less time - Power: explosive sessions that recruit fast-twitch fibers - Cardio: lower-frequency sessions designed to build endurance, with quick recovery for daily use - Recovery: active and passive modes with massaging impulses to finish like the pros - Freestyle mode: Choose a mode, set your intensity, and train your own way. TRAIN LED OR TRAIN SOLO In guided classes, your trainer adjusts intensity in real time so you can focus on the movement. Prefer your own pace? Run independent programs on your terms. ALWAYS IN CONTROL Dial intensity up or down, or target a specific muscle group, at any moment. How hard you train is always your call. TRAIN ANYWHERE Stream any workout on demand, or download sessions ahead of time for when you'll be offline. BUILT FOR YOUR SETUP - Apple Watch: adjust overall intensity, pause, and resume workouts right from your wrist - AirPlay: put your instructor on the big screen and use your iPhone or iPad as the remote Get more strength and more out of life with Katalyst Suit workouts. katalyst.com
Milo Link
This app serves as an official companion for a device, allowing users to update its software, customize settings like language, and access offline information. It ensures the device receives new features and performance improvements.
- Update device software
- Customize device language
- Access offline information
- Learn about device features
- Performance enhancements
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The official companion app for updating, customizing, and learning about your Milo! - Keep your Milo updated with new features and performance enhancements - Change Milo's language - Packed with information that's available offline, for access off-the-grid
Screenshots
Verdict
The clearest difference is rating: Katalyst at 4.6 against Milo Link's 4.0. Katalyst also leads on review sentiment (81% vs 57%). Milo Link's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 16.0). On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.
Katalyst holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 59 and 29 respectively. Written reviews point the same way: 81% of Katalyst's written reviews are positive against 57% of Milo Link's.
Katalyst ships an update every 3 weeks, Milo Link monthly. Both last shipped on November 3, 2026.
| Parameter | Katalyst | Milo Link |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (59 ratings) — better | 4.0 (29 ratings) |
| Positive reviews | 80.6% of reviews — better | 57.1% of reviews |
| Number of ratings | 59 — better | 29 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 155 MB | 88 MB |
| Age rating | 4+ | 4+ |
| Developer | Katalyst Interactive Inc. | Loose Cannon Systems |
Customer experience
Katalyst
Milo Link
In-app purchases
Katalyst
No in-app purchases
Milo Link
No in-app purchases
