# NOFFS Operational vs Chill Drills

The clearest difference is rating: Chill Drills at 4.4 against NOFFS Operational's 3.3. Chill Drills also leads on update cadence (every 4 months vs every 31 months) and review sentiment (67% vs 53%). NOFFS Operational's advantage is iOS requirement (9.0 vs 16.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chill Drills holds the better App Store score, 4.4 against 3.3. Both are backed by a comparable volume of ratings — 14 and 21 respectively. Written reviews point the same way: 53% of NOFFS Operational's written reviews are positive against 67% of Chill Drills's.

NOFFS Operational ships an update every 31 months, Chill Drills every 4 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NOFFS Operational | Chill Drills |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (14 ratings)](https://appshunter.io/ios/app/noffs-operational/id456024506/reviews) | **[4.4 (21 ratings)](https://appshunter.io/ios/app/chill-drills/id1552953408/reviews)** |
| Number of ratings | 14 | **21** |
| Positive reviews | 53.3% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 110 MB | 44 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CNIC HQ](https://appshunter.io/developer/1476096815) | [Office of the Secretary of Defense, Military Community and Family Policy](https://appshunter.io/developer/1532124389) |

## What reviewers say

### NOFFS Operational

[App page](https://appshunter.io/ios/app/noffs-operational/id456024506)

This app provides a comprehensive fitness and nutrition program developed by the Navy and EXOS. It offers exercises mimicking operational duties, personalized fueling strategies for weight management, and regeneration techniques for injury prevention and mobility.

**Highlights:** Performance training exercises, Injury prevention strategies, Personalized caloric needs calculation, Meal builder with high-octane foods, Soft tissue release techniques, Flexibility routines

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

**In-app purchases:** none


### Chill Drills

[App page](https://appshunter.io/ios/app/chill-drills/id1552953408)

This app offers guided audio sessions and music designed to reduce stress, lower heart rate, and improve sleep quality. Regular use can help decrease baseline stress levels and enhance preparedness for future stressors. It includes various drills focusing on relaxation, pain relief, and sleep.

**Highlights:** Guided meditation exercises, Sleep music, Offline audio playback, Progressive muscle relaxation, Stress reduction techniques, Pain relief exercises

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

**In-app purchases:** none


## Frequently asked questions

### Is NOFFS Operational free?

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

### Is Chill Drills free?

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

### Which has better reviews, NOFFS Operational or Chill Drills?

Chill Drills is rated higher. NOFFS Operational averages 3.3 out of 5 from 14 ratings, while Chill Drills averages 4.4 from 21 ratings.

### Do NOFFS Operational or Chill Drills have ads?

Neither NOFFS Operational nor Chill Drills shows ads.

### Which is updated more often, NOFFS Operational or Chill Drills?

NOFFS Operational ships an update every 31 months, and Chill Drills every 4 months. Most recently, NOFFS Operational was updated on October 28, 2026 and Chill Drills on October 24, 2026.

---

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