Comparison

Arena Training Center vs Smart Flask

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

Head to head

Arena Training Center

Your local gym app!

About

Arena Training Center

Features

Read full description

Use your phone to book, cancel, or join the waiting list for group classes at your fitness center. It can also be used to open the door to the center where supported. - Optional calendar event upon booking - News from your center

About

Smart Flask

Features

Read full description

Smart Flask is the perfect hydration companion, designed to work with your IoT-enabled water flask. This innovative app connects seamlessly to your Smart Flask, helping you track your daily water intake with ease.

Screenshots

Arena Training Center4 screens

Smart Flask4 screens

Verdict

The call

The clearest difference is update cadence: Arena Training Center at every 2 weeks against Smart Flask's every 12 months. Arena Training Center also leads on iOS requirement (13.4.1 vs 15.6). 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

Arena Training Center ships an update every 2 weeks, Smart Flask every 12 months. The most recent releases landed on September 15, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 4 level

Arena Training Center versus Smart Flask: the parameters behind the verdict, then further details
Parameter	Arena Training Center	Smart Flask
Price	Free	Free
Update frequency	Every 2 weeks — better	Every 12 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.4.1 — better	15.6
Further details — not scored
Size	83 MB	48 MB
Age rating	4+	4+
Developer	Arena Treningssenter AS	Coding Minds, Inc.

In-app purchases

None

Arena Training Center

No in-app purchases

None

Smart Flask

No in-app purchases

Questions

Is Arena Training Center free?

Arena Training Center is free to download, with no in-app purchases.

Is Smart Flask free?

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

Do Arena Training Center or Smart Flask have ads?

Neither Arena Training Center nor Smart Flask shows ads.

Which is updated more often, Arena Training Center or Smart Flask?

Arena Training Center ships an update every 2 weeks, and Smart Flask every 12 months. Most recently, Arena Training Center was updated on September 15, 2026 and Smart Flask on September 12, 2026.