MantisX vs SLEVIO TIMER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MantisX
Enhance your shooting accuracy with this system that analyzes firearm movement data. It diagnoses mechanics, offers real-time coaching, and identifies areas for improvement. Requires a separate sensor to attach to your firearm.
- Shooting precision improvement
- Movement data analysis
- Real-time coaching
- Shooting mechanics diagnosis
- Focus area identification
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MantisX is a revolutionary training system that helps you improve your shooting precision. Use of the app requires a MantisX Sensor which can be bought here: http://www.mantisx.com. It attaches to any picatinny rail (or rail adapter if your firearm doesn't have a built-in rail). The internal electronics of the MantisX Sensor collect movement data before, during, and after your shot. The app analyzes the data and diagnoses your shooting mechanics, provides real-time coaching, and determines what you need to focus on to improve most quickly. MantisX is a powerful tool that will make your training more efficient and effective.
SLEVIO TIMER
This app enhances high-intensity interval training by seamlessly connecting to timing devices. It simplifies workout customization for various training modes, allowing users to focus on their fitness goals with an efficient and user-friendly experience.
- High-intensity interval training support
- Seamless timing device connection
- Customizable workout duration and sets
- Intuitive settings menu
- Supports TABATA, AMRAP, EMOM, FOR TIME, and more
- Stopwatch and countdown modes
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Welcome to SLEVIO Timer, your go-to solution for elevating your high-intensity interval training experience. Designed specifically for fitness enthusiasts, trainers, and athletes, our app seamlessly connects to your timing devices, streamlining the way you conduct and track intense workout sessions like TABATA and AMRAP. Gone are the days of fumbling with complicated device settings. With SLEVIO Timer, you can easily customize your workout duration and configure the number of sets with just a few taps. Simply access the intuitive Settings menu to set your parameters, and watch as your device instantly syncs to your specifications. By reducing the hassle of manual buttons and settings, SLEVIO Timer empowers you to focus on what truly matters: crushing your fitness goals. Whether you’re working out at home, in the gym, or on the go, enjoy a more efficient and user-friendly training experience that keeps you motivated and on track. The opportunity to display mode: -TABATA. -AMRAP. -EMOM. -FOR TIME. -STOPWATCH. -DOWN. -UP. -MIX. Join us on this journey to redefine your high-intensity training moments. Download SLEVIO Timer today and take the first step towards smarter, more effective workouts!
Screenshots
Verdict
The clearest difference is rating: SLEVIO TIMER at 5.0 against MantisX's 4.3. SLEVIO TIMER also leads on monetization model (free vs free with in-app purchases) and iOS requirement (9.0 vs 15.0). MantisX's advantage is update cadence (every 2 weeks vs every 8 months) and ratings volume (356 vs 1). On price, ads, in-app purchases and device support 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.
SLEVIO TIMER holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: MantisX has 356 ratings behind it against 1, so its average is the more settled of the two.
MantisX ships an update every 2 weeks, SLEVIO TIMER every 8 months. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.
| Parameter | MantisX | SLEVIO TIMER |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (356 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 66.1% of reviews | — |
| Number of ratings | 356 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 201 MB | 12 MB |
| Age rating | 4+ | 17+ |
| Developer | Mantis Tech LLC | SLEVIO SPORT LLC |
Customer experience
MantisX
SLEVIO TIMER
Bugs and requests
MantisX
Reported bugs
3 issues- App crashes after completing training sessions
- Inability to recognize shots with double-action pistols
- False shot detection when racking the slide
Requested features
4 requests- Ability to save training history
- Integration with other training apps
- More customizable drills and exercises
- Landscape mode support
SLEVIO TIMER
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MantisX
No in-app purchases
SLEVIO TIMER
No in-app purchases









