Comparison

UNDERCARD vs Flow Training by Flow Athletic

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

Head to head
About

UNDERCARD

Features
Read full description

Download the Undercard Boxing App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!

About

Flow Training by Flow Athletic

Features
Read full description

With the Flow Training App, you will have access to workout programs designed specifically to help you reach your fitness and health goals! You can follow & track your workouts, your nutrition, your lifestyle habits, measurements and results–all with the help of your coach. FEATURES: - Access training plans and track workouts - Follow along to exercise and workout videos - Track your meals and make better food choices - Stay on top of your daily habits - Set health and fitness goals and track progress towards your goals - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Message your coach in real-time - Be part of digital communities to meet people with similar health goals and stay motivated - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect your Apple Watch to track workouts, steps, habits, and more right from your wrist - Connect to other wearable devices and apps like the Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices to track workouts, sleep, nutrition, and body stats and composition Download the app today!

Screenshots

UNDERCARD3 screens
Flow Training by Flow Athletic4 screens

Verdict

The call

The clearest difference is update cadence: UNDERCARD at fortnightly against Flow Training by Flow Athletic's every 2 months. Flow Training by Flow Athletic's advantage is device support (4 vs 2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

UNDERCARD ships an update fortnightly, Flow Training by Flow Athletic every 2 months. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

Scorecard2 real differences Β· 4 level
UNDERCARD versus Flow Training by Flow Athletic: the parameters behind the verdict, then further details
ParameterUNDERCARDFlow Training by Flow Athletic
PriceFreeFree
Update frequencyFortnightly β€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch β€” better
Requires iOS16.015.5 β€” better
Further details β€” not scored
Size194 MB213 MB
Age rating4+4+
DeveloperUNDERCARD BOXINGThe Flow Collective Pty Ltd

In-app purchases

None

UNDERCARD

No in-app purchases

None

Flow Training by Flow Athletic

No in-app purchases

Questions

Is UNDERCARD free?
UNDERCARD is free to download, with no in-app purchases.
Is Flow Training by Flow Athletic free?
Flow Training by Flow Athletic is free to download, with no in-app purchases.
Do UNDERCARD or Flow Training by Flow Athletic have ads?
Neither UNDERCARD nor Flow Training by Flow Athletic shows ads.
Which is updated more often, UNDERCARD or Flow Training by Flow Athletic?
UNDERCARD ships an update fortnightly, and Flow Training by Flow Athletic every 2 months. Most recently, UNDERCARD was updated on October 16, 2026 and Flow Training by Flow Athletic on October 18, 2026.

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