Comparison

Thrive with Harriet vs BigBox

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

Head to head
About

Thrive with Harriet

Features
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TH-Rive: Your personal nutrition and fitness coach in one app. Designed to help you build healthy habits, achieve your goals, and thrive with customised meal plans, workout programmes, and unlimited support. Let’s reach your full potential together! * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

About

BigBox

Features
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Stay up to date with the latest news, classes, offers and events from the BigBox. CLASSES Select your favourites and book classes straight from your phone. TIMETABLES Get real-time access to our most-up-to-date timetable. NEWS AND PUSH NOTIFICATIONS Instantly get notified of our latest news and events right on your phone. Our app allows you to stay up to date with new events or classes, ensuring that you’ll never miss out. OFFERS Get push notifications for new offers. CONTACT US Easily contact us by phone or email at a click of a button or view directions and maps. SHARE THROUGH SOCIAL MEDIA Share news, classes or offers with friends through Facebook and other Social Media channels. APPLE HEALTHKIT We also use HealthKit to allow users to share their activity and workout data with the app. This data is used to incentivise users to stay active.

Screenshots

Thrive with Harriet3 screens
BigBox3 screens

Verdict

The call

The clearest difference is in-app purchases: BigBox at none against Thrive with Harriet's 1. BigBox also leads on update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Thrive with Harriet sells 1 in-app purchase, starting at $125.99 per month. BigBox asks for nothing beyond the download.

UpkeepUpdate frequency

Thrive with Harriet ships an update every 3 months, BigBox monthly. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

Scorecard2 real differences Β· 4 level
Thrive with Harriet versus BigBox: the parameters behind the verdict, then further details
ParameterThrive with HarrietBigBox
PriceFreeFree
Update frequencyEvery 3 monthsMonthly β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS15.015.0
Further details β€” not scored
Size56 MB110 MB
Age rating17+17+
DeveloperHarriet BettsBig Box Leisure Club Limited

In-app purchases

1 purchases

Thrive with Harriet

Subscriptions1
  • Monthly Coaching$125.991 Month
None

BigBox

No in-app purchases

Questions

Is Thrive with Harriet free?
Thrive with Harriet is free to download, with in-app purchases available.
Is BigBox free?
BigBox is free to download, with no in-app purchases.
Do Thrive with Harriet or BigBox have ads?
Neither Thrive with Harriet nor BigBox shows ads.
Which is updated more often, Thrive with Harriet or BigBox?
Thrive with Harriet ships an update every 3 months, and BigBox monthly. Most recently, Thrive with Harriet was updated on October 8, 2026 and BigBox on October 12, 2026.

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