# Infinite Grit vs SFLT 3E

The clearest difference is in-app purchases: Infinite Grit at none against SFLT 3E's 4. Infinite Grit also leads on review sentiment (100% vs 78%) and device support (4 vs 2). SFLT 3E's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. SFLT 3E sells 4 in-app purchases, starting at $34.00 per month. Infinite Grit asks for nothing beyond the download.

Infinite Grit holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 96 and 53 respectively. Written reviews point the same way: 100% of Infinite Grit's written reviews are positive against 78% of SFLT 3E's.

Infinite Grit ships an update every 6 weeks, SFLT 3E every 2 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Infinite Grit | SFLT 3E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (96 ratings)](https://appshunter.io/ios/app/infinite-grit/id6471450130/reviews)** | [4.8 (53 ratings)](https://appshunter.io/ios/app/sflt-3e/id6759741274/reviews) |
| Number of ratings | **96** | 53 |
| Positive reviews | **100.0% of reviews** | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Size | 164 MB | 48 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Infinite Grit LLC](https://appshunter.io/developer/1715376506) | [Soflete LLC](https://appshunter.io/developer/1204954688) |

## What reviewers say

### Infinite Grit

[App page](https://appshunter.io/ios/app/infinite-grit/id6471450130)

This app offers elite fitness, nutrition, and mental toughness training designed by a former Green Beret. It provides fitness programs, nutrition tracking, and direct access to expert guidance. Users can also join a supportive community and participate in weekly live calls and Q&A sessions.

**Highlights:** Elite fitness programs, Nutrition tracking, Mental toughness training, Direct expert messaging, Supportive community, Weekly live calls, Exclusive Q&A sessions

**Features:** Apple Wallet

**In-app purchases:** none


### SFLT 3E

[App page](https://appshunter.io/ios/app/sflt-3e/id6759741274)

This app uses wearable data to provide personalized, readiness-based training for tactical athletes and serious lifters. It adapts workouts in real-time based on recovery, sleep, and activity metrics to optimize performance and prevent injury.

**Highlights:** Wearable integration for real-time metrics, Adaptive training based on readiness score, Structured strength and conditioning programs, Endurance and mountain athlete training, Performance tracking and progress metrics, Training load and recovery management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access (Monthly) | $34.00 | per month |
| All Access (Quarterly) | $89.00 | per 3 months |
| All Access (Semi-Annual) | $159.00 | per 6 months |
| All Access (Annual) | $299.00 | per year |


## Frequently asked questions

### Is Infinite Grit free?

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

### Is SFLT 3E free?

SFLT 3E is free to download, with in-app purchases available.

### Which has better reviews, Infinite Grit or SFLT 3E?

Infinite Grit is rated higher. Infinite Grit averages 5.0 out of 5 from 96 ratings, while SFLT 3E averages 4.8 from 53 ratings.

### Do Infinite Grit or SFLT 3E have ads?

Neither Infinite Grit nor SFLT 3E shows ads.

### Which is updated more often, Infinite Grit or SFLT 3E?

Infinite Grit ships an update every 6 weeks, and SFLT 3E every 2 weeks. Most recently, Infinite Grit was updated on October 30, 2026 and SFLT 3E on October 24, 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.*