# OptiFit Mobile vs Functional Bodybuilding

The clearest difference is rating: OptiFit Mobile at 4.9 against Functional Bodybuilding's 2.9. OptiFit Mobile also leads on device support (4 vs 1). Functional Bodybuilding's advantage is update cadence (weekly vs every 2 months). 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.

OptiFit Mobile holds the better App Store score, 4.9 against 2.9. Both are backed by a comparable volume of ratings — 49 and 143 respectively.

OptiFit Mobile ships an update every 2 months, Functional Bodybuilding weekly. The most recent releases landed on September 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | OptiFit Mobile | Functional Bodybuilding |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (49 ratings)](https://appshunter.io/ios/app/optifit-mobile/id6444867059/reviews)** | [2.9 (143 ratings)](https://appshunter.io/ios/app/functional-bodybuilding/id6739143347/reviews) |
| Number of ratings | 49 | **143** |
| Positive reviews | — | 26.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 170 MB | 119 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [OptiFit Nutrition LLC](https://appshunter.io/developer/1657460745) | [Cliff Kohut](https://appshunter.io/developer/1783826754) |

## What reviewers say

### OptiFit Mobile

[App page](https://appshunter.io/ios/app/optifit-mobile/id6444867059)

Achieve your health and fitness goals with personalized nutrition and workout programs. Track your progress, habits, and measurements with coach support and community motivation. Integrates with wearables and health apps for comprehensive tracking.

**Highlights:** Access training plans and track workouts, Follow exercise and workout videos, Track meals and make better food choices, Monitor daily habits and set goals, Message your coach in real-time, Join digital communities for motivation, Track body measurements and progress photos, Connect with wearables and health apps

**Features:** Apple Wallet

**In-app purchases:** none


### Functional Bodybuilding

[App page](https://appshunter.io/ios/app/functional-bodybuilding/id6739143347)

Access all your Functional Bodybuilding resources in one place. This app houses everything from PERSIST programs to FBB ebooks, providing a centralized hub for your training materials.

**Highlights:** Access to PERSIST programs, FBB ebooks library, All offerings in one app, Centralized training hub

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

**In-app purchases:** none

**What reviewers like**

- 👍 Workouts are good

**What reviewers complain about**

- 🐛 Plagued with bugs
- 🚫 Not user-friendly
- 🤔 Too much unnecessary information
- 🔌 Sound issues with videos
- 🤯 Confusing workout explanations

**Reported bugs**

- Videos not playing
- Workout data not saving
- Calendar issues
- App crashes after latest update

**Requested features**

- Simplify the app interface
- Provide all workout details on one page
- Improve the built-in timer functionality


## Frequently asked questions

### Is OptiFit Mobile free?

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

### Is Functional Bodybuilding free?

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

### Which has better reviews, OptiFit Mobile or Functional Bodybuilding?

OptiFit Mobile is rated higher. OptiFit Mobile averages 4.9 out of 5 from 49 ratings, while Functional Bodybuilding averages 2.9 from 143 ratings.

### Do OptiFit Mobile or Functional Bodybuilding have ads?

Neither OptiFit Mobile nor Functional Bodybuilding shows ads.

### Which is updated more often, OptiFit Mobile or Functional Bodybuilding?

OptiFit Mobile ships an update every 2 months, and Functional Bodybuilding weekly. Most recently, OptiFit Mobile was updated on September 24, 2026 and Functional Bodybuilding on October 16, 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.*