# MantisX vs SLEVIO TIMER

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.

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 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MantisX | SLEVIO TIMER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (356 ratings)](https://appshunter.io/ios/app/mantisx-pistolrifle/id1050791268/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slevio-timer/id6736894190/reviews)** |
| Number of ratings | **356** | 1 |
| Positive reviews | 66.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 201 MB | 12 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mantis Tech LLC](https://appshunter.io/developer/1497174554) | [SLEVIO SPORT LLC](https://appshunter.io/developer/1773711943) |

## What reviewers say

### MantisX

[App page](https://appshunter.io/ios/app/mantisx-pistolrifle/id1050791268)

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.

**Highlights:** Shooting precision improvement, Movement data analysis, Real-time coaching, Shooting mechanics diagnosis, Focus area identification

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent training aid
- 🚀 Improves shooting skills
- 💡 Provides valuable feedback
- 👍 Responsive customer support

**What reviewers complain about**

- 🐛 Inconsistent shot detection
- 🐛 Frequent app crashes
- 🐛 Compatibility issues with certain firearms
- 🔋 Drains battery quickly

**Reported bugs**

- App crashes after completing training sessions
- Inability to recognize shots with double-action pistols
- False shot detection when racking the slide

**Requested features**

- Ability to save training history
- Integration with other training apps
- More customizable drills and exercises
- Landscape mode support


### SLEVIO TIMER

[App page](https://appshunter.io/ios/app/slevio-timer/id6736894190)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MantisX free?

MantisX is free to download, with no in-app purchases.

### Is SLEVIO TIMER free?

SLEVIO TIMER is free to download, with no in-app purchases.

### Which has better reviews, MantisX or SLEVIO TIMER?

SLEVIO TIMER is rated higher. MantisX averages 4.3 out of 5 from 356 ratings, while SLEVIO TIMER averages 5.0 from 1 ratings.

### Do MantisX or SLEVIO TIMER have ads?

Neither MantisX nor SLEVIO TIMER shows ads.

### Which is updated more often, MantisX or SLEVIO TIMER?

MantisX ships an update every 2 weeks, and SLEVIO TIMER every 8 months. Most recently, MantisX was updated on October 20, 2026 and SLEVIO TIMER on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*