# CNATRA HABIT vs TEFC

The clearest difference is update cadence: TEFC at every 2 months against CNATRA HABIT's every 7 months. TEFC also leads on iOS requirement (12.0 vs 15.0). 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.

CNATRA HABIT ships an update every 7 months, TEFC every 2 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CNATRA HABIT | TEFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (13 ratings)](https://appshunter.io/ios/app/cnatra-habit/id6478787815/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 89 MB | 51 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Program Executive Office for Enterprise Information Systems, Sea Warrior Program](https://appshunter.io/developer/1477503418) | [Train-Era Fitness Club](https://appshunter.io/developer/1835088758) |

## What reviewers say

### CNATRA HABIT

[App page](https://appshunter.io/ios/app/cnatra-habit/id6478787815)

This app provides on-demand training for naval aviators and aircrew to mitigate risks of back and neck injuries. It includes foundational knowledge, exercise demonstrations, and routines to perform before and after flights, aiming to increase readiness and performance.

**Highlights:** Neck and back injury prevention training, On-demand exercise routines, Video demonstrations of exercises, Pre- and post-flight exercise guidance, Musculoskeletal health focus

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

**In-app purchases:** none


### TEFC

[App page](https://appshunter.io/ios/app/tefctrainer/id6753975552)

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

**In-app purchases:** none


## Frequently asked questions

### Is CNATRA HABIT free?

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

### Is TEFC free?

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

### Do CNATRA HABIT or TEFC have ads?

Neither CNATRA HABIT nor TEFC shows ads.

### Which is updated more often, CNATRA HABIT or TEFC?

CNATRA HABIT ships an update every 7 months, and TEFC every 2 months. Most recently, CNATRA HABIT was updated on November 4, 2026 and TEFC on November 5, 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.*