# Functional Bodybuilding vs EPOC

The clearest difference is price: Functional Bodybuilding at Free against EPOC's $0.99. Functional Bodybuilding also leads on ratings volume (146 vs 1). EPOC's advantage is rating (5.0 vs 2.9) and update cadence (daily vs weekly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Functional Bodybuilding is free to download; EPOC costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EPOC holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Functional Bodybuilding has 146 ratings behind it against 1, so its average is the more settled of the two.

Functional Bodybuilding ships an update weekly, EPOC daily. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Functional Bodybuilding | EPOC |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [2.9 (146 ratings)](https://appshunter.io/ios/app/functional-bodybuilding/id6739143347/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/epoc-sprint-science/id6784019868/reviews)** |
| Number of ratings | **146** | 1 |
| Positive reviews | 26.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | **Free** | Paid |
| Size | 119 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Cliff Kohut](https://appshunter.io/developer/1783826754) | [Russell Whitney](https://appshunter.io/developer/6784019870) |

## What reviewers say

### 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


### EPOC

[App page](https://appshunter.io/ios/app/epoc-sprint-science/id6784019868)

This app uses the science of the afterburn effect to guide users through intense sprint sessions. It focuses on burning visceral fat and improving longevity, suitable for those with existing fitness routines looking to enhance body composition.

**Highlights:** Guided sprint sessions with timers, Active recovery mobility protocol, Speed and progress tracking, Daily workout recommendations, Session history and streak tracking, Vibration alerts for workouts

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

**In-app purchases:** none


## Frequently asked questions

### Is Functional Bodybuilding free?

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

### Is EPOC free?

EPOC costs $0.99, with no in-app purchases.

### Which has better reviews, Functional Bodybuilding or EPOC?

EPOC is rated higher. Functional Bodybuilding averages 2.9 out of 5 from 146 ratings, while EPOC averages 5.0 from 1 ratings.

### Do Functional Bodybuilding or EPOC have ads?

Neither Functional Bodybuilding nor EPOC shows ads.

### Which is updated more often, Functional Bodybuilding or EPOC?

Functional Bodybuilding ships an update weekly, and EPOC daily. Most recently, Functional Bodybuilding was updated on October 28, 2026 and EPOC 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.*