Comparison

BootyBox vs Flex & Flow Studio

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

Head to head

About

BootyBox

Features

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Personal Training Resource for all CBPT Clients In this app: - Messaging - View Plans - Check-Ins - Daily Habits - Log Workouts * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

About

Flex & Flow Studio

Features

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Guiding you through your health and fitness journey! - Book classes online in just a few clicks - Contact club staff directly - Interact and get to know your fellow members - See all the latest club news, offers and events - Refer Friends to the club online Apple Health App Integration Track your progress with our HealthKit app integration to import and measure your daily steps, distance or calories burnt. Also use HealthKit to import your data from a range of different wearable devices.

Screenshots

BootyBox3 screens

Flex & Flow Studio3 screens

Verdict

The call

The clearest difference is update cadence: BootyBox at monthly against Flex & Flow Studio's every 3 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

BootyBox ships an update monthly, Flex & Flow Studio every 3 months. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

Scorecard1 real difference · 5 level

BootyBox versus Flex & Flow Studio: the parameters behind the verdict, then further details
Parameter	BootyBox	Flex & Flow Studio
Price	Free	Free
Update frequency	Monthly — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	15.0
Further details — not scored
Size	47 MB	57 MB
Age rating	17+	4+
Developer	Chris Barclay	TeamUp Sports Inc

In-app purchases

None

BootyBox

No in-app purchases

None

Flex & Flow Studio

No in-app purchases

Questions

Is BootyBox free?

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

Is Flex & Flow Studio free?

Flex & Flow Studio is free to download, with no in-app purchases.

Do BootyBox or Flex & Flow Studio have ads?

Neither BootyBox nor Flex & Flow Studio shows ads.

Which is updated more often, BootyBox or Flex & Flow Studio?

BootyBox ships an update monthly, and Flex & Flow Studio every 3 months. Most recently, BootyBox was updated on October 7, 2026 and Flex & Flow Studio on September 28, 2026.