# Thundr App vs Functional Bodybuilding

The clearest difference is rating: Thundr App at 3.9 against Functional Bodybuilding's 2.9. Thundr App also leads on review sentiment (64% vs 26%). Functional Bodybuilding's advantage is update cadence (weekly vs every 27 months) and ratings volume (146 vs 13). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Thundr App holds the better App Store score, 3.9 against 2.9. That said, the two scores are not equally well evidenced: Functional Bodybuilding has 146 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 64% of Thundr App's written reviews are positive against 26% of Functional Bodybuilding's.

Thundr App ships an update every 27 months, Functional Bodybuilding weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Thundr App | Functional Bodybuilding |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (13 ratings)](https://appshunter.io/ios/app/thundr-app/id6480428125/reviews)** | [2.9 (146 ratings)](https://appshunter.io/ios/app/functional-bodybuilding/id6739143347/reviews) |
| Number of ratings | 13 | **146** |
| Positive reviews | **63.6% of reviews** | 26.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Weekly** |
| Monetization | Free | Free |
| Size | 46 MB | 119 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [DSS Sports Group Inc](https://appshunter.io/developer/1738995467) | [Cliff Kohut](https://appshunter.io/developer/1783826754) |

## What reviewers say

### Thundr App

[App page](https://appshunter.io/ios/app/thundr-app/id6480428125)

Access your training and nutrition plans, join group challenges, and schedule appointments with coaches. This app supports physical training and mental toughness for a winning mindset.

**Highlights:** Workout tracking, Nutrition information access, Group challenges, Scheduled workout viewing, Coach appointment booking

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

**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 Thundr App free?

Thundr App 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, Thundr App or Functional Bodybuilding?

Thundr App is rated higher. Thundr App averages 3.9 out of 5 from 13 ratings, while Functional Bodybuilding averages 2.9 from 146 ratings.

### Do Thundr App or Functional Bodybuilding have ads?

Neither Thundr App nor Functional Bodybuilding shows ads.

### Which is updated more often, Thundr App or Functional Bodybuilding?

Thundr App ships an update every 27 months, and Functional Bodybuilding weekly. Most recently, Thundr App was updated on October 24, 2026 and Functional Bodybuilding 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.*