# GymNext Flex Timer vs Mario's Mentality

The clearest difference is in-app purchases: Mario's Mentality at none against GymNext Flex Timer's 2. Mario's Mentality also leads on review sentiment (100% vs 72%) and rating (5.0 vs 4.8). GymNext Flex Timer's advantage is ratings volume (2.1K vs 8) and device support (4 vs 2). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. GymNext Flex Timer sells 2 in-app purchases, starting at $8.99 per month. Mario's Mentality asks for nothing beyond the download.

Mario's Mentality holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: GymNext Flex Timer has 2.1K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 72% of GymNext Flex Timer's written reviews are positive against 100% of Mario's Mentality's.

GymNext Flex Timer ships an update every 3 weeks, Mario's Mentality every 5 weeks. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | GymNext Flex Timer | Mario's Mentality |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.1K ratings)](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/marios-mentality/id6478966331/reviews)** |
| Number of ratings | **2.1K** | 8 |
| Positive reviews | 72.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 185 MB | 133 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Homick Enterprises](https://appshunter.io/developer/346326303) | [Mario Santaella](https://appshunter.io/developer/1734624329) |

## What reviewers say

### GymNext Flex Timer

[App page](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344)

This app offers advanced interval training timing with customizable modes and the ability to control an external LED display. It integrates with wearables and heart rate monitors for a comprehensive workout experience.

**Highlights:** Control external LED displays, Multiple customizable timer modes (Tabata, EMOM, etc.), Save and recall favorite workouts, Apple Watch control, Audio sync with music, Heart rate monitor integration, Control multiple LED displays

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flex Timer Pro Monthly | $8.99 | per month |
| Flex Timer Pro Yearly | $79.99 | per year |

**What reviewers like**

- 🚀 Versatile and customizable
- 👍 User-friendly interface
- 🔔 Reliable and consistent
- 💪 Excellent for interval training
- 🔊 Clear audio cues

**What reviewers complain about**

- 🐛 Audio cues sometimes stop working
- 🔊 Lack of volume control
- 🔍 Detailed instructions needed for beginners
- ⏱️ Delayed countdown between phone and timer

**Reported bugs**

- Saved timers not consistently loading
- Segmented timers not saving properly

**Requested features**

- Watch app integration for remote control
- Background audio playback when app is closed
- Customizable voice options
- Lap timer functionality


### Mario's Mentality

[App page](https://appshunter.io/ios/app/marios-mentality/id6478966331)

Achieve your fitness goals with personalized workout and meal plans. Track your progress, log nutrition, and connect with your coach through instant messaging and video calls. Integrates with health kits for comprehensive insights.

**Highlights:** Personalized workout plans, Customized meal plans, Nutrition and hydration tracking, Progress analytics, 1-on-1 chat with coach, Wearable integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GymNext Flex Timer free?

GymNext Flex Timer is free to download, with in-app purchases available.

### Is Mario's Mentality free?

Mario's Mentality is free to download, with no in-app purchases.

### Which has better reviews, GymNext Flex Timer or Mario's Mentality?

Mario's Mentality is rated higher. GymNext Flex Timer averages 4.8 out of 5 from 2.1K ratings, while Mario's Mentality averages 5.0 from 8 ratings.

### Do GymNext Flex Timer or Mario's Mentality have ads?

Neither GymNext Flex Timer nor Mario's Mentality shows ads.

### Which is updated more often, GymNext Flex Timer or Mario's Mentality?

GymNext Flex Timer ships an update every 3 weeks, and Mario's Mentality every 5 weeks. Most recently, GymNext Flex Timer was updated on September 25, 2026 and Mario's Mentality on June 1, 2026.

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