# NOFFS Operational vs Sisly

The clearest difference is update cadence: Sisly at weekly against NOFFS Operational's every 31 months. NOFFS Operational's advantage is iOS requirement (9.0 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.

NOFFS Operational ships an update every 31 months, Sisly weekly. The most recent releases landed on October 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NOFFS Operational | Sisly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (14 ratings)](https://appshunter.io/ios/app/noffs-operational/id456024506/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Weekly** |
| Monetization | Free | — |
| Size | 110 MB | 143 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CNIC HQ](https://appshunter.io/developer/1476096815) | [MetaFit FZ-LLC](https://appshunter.io/developer/1853505719) |

## 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


### Sisly

[App page](https://appshunter.io/ios/app/sisly/id6755378491)

**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 Sisly free?

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

### Do NOFFS Operational or Sisly have ads?

Neither NOFFS Operational nor Sisly shows ads.

### Which is updated more often, NOFFS Operational or Sisly?

NOFFS Operational ships an update every 31 months, and Sisly weekly. Most recently, NOFFS Operational was updated on October 28, 2026 and Sisly on October 7, 2026.

---

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