Comparison

Atomic CrossFit vs Functional Bodybuilding

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Atomic CrossFit

This app allows members to easily reserve spots in fitness classes and sign up for gym events. It also provides convenient account management features, such as updating personal information and payment details.

Highlights
  • Class reservation
  • Event sign-up
  • Account management
  • Profile updates
  • Payment information management
Features
Read full description

For members of Atomic CrossFit to reserve their place in a class, sign up for gym events, and general account management like updating headshots and credit card on file.

About

Functional Bodybuilding

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
Read full description

This app is the home for all Functional Bodybuilding offerings, from PERSIST to FBB ebooks, you will find it all here!

Screenshots

Atomic CrossFit4 screens
Functional Bodybuilding4 screens

Verdict

The call

The clearest difference is review sentiment: Atomic CrossFit at 100% against Functional Bodybuilding's 26%. Atomic CrossFit also leads on rating (5.0 vs 2.9) and device support (3 vs 1). Functional Bodybuilding's advantage is ratings volume (143 vs 3) and update cadence (weekly vs every 3 weeks). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Atomic CrossFit holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Functional Bodybuilding has 143 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Atomic CrossFit's written reviews are positive against 26% of Functional Bodybuilding's.

UpkeepUpdate frequency

Atomic CrossFit ships an update every 3 weeks, Functional Bodybuilding weekly. The most recent releases landed on October 3, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 4 level
Atomic CrossFit versus Functional Bodybuilding: the parameters behind the verdict, then further details
ParameterAtomic CrossFitFunctional Bodybuilding
PriceFreeFree
Rating5.0 (3 ratings) — better2.9 (143 ratings)
Positive reviews100.0% of reviews — better26.5% of reviews
Number of ratings3143 — better
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15 — better16.0
Further details — not scored
Size81 MB119 MB
Age rating4+17+
DeveloperAtomic CrossFitCliff Kohut

Customer experience

Atomic CrossFit

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Functional Bodybuilding

All ratings143 ratings
Positive42.0%
Neutral5.6%
Negative52.4%
Written reviews68 reviews
Positive26.5%
Neutral7.4%
Negative66.2%

Bugs and requests

Atomic CrossFit

Not enough reviews yet to summarise bugs or requests.

Functional Bodybuilding

Reported bugs

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

Requested features

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

In-app purchases

None

Atomic CrossFit

No in-app purchases

None

Functional Bodybuilding

No in-app purchases

Questions

Is Atomic CrossFit free?
Atomic CrossFit 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, Atomic CrossFit or Functional Bodybuilding?
Atomic CrossFit is rated higher. Atomic CrossFit averages 5.0 out of 5 from 3 ratings, while Functional Bodybuilding averages 2.9 from 143 ratings.
Do Atomic CrossFit or Functional Bodybuilding have ads?
Neither Atomic CrossFit nor Functional Bodybuilding shows ads.
Which is updated more often, Atomic CrossFit or Functional Bodybuilding?
Atomic CrossFit ships an update every 3 weeks, and Functional Bodybuilding weekly. Most recently, Atomic CrossFit was updated on October 3, 2026 and Functional Bodybuilding on October 16, 2026.

Other comparisons