Comparison

Interval Flow vs The Forge by Vitality Lounge

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

Head to head
About

Interval Flow

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Have you wanted to set the same timers over and over again but find it tedious and cumbersome? We did too so we built Interval Flow! With Interval Flow, you can easily set multiple timers that will ring one after the other, guiding you seamlessly through your activities. Transition effortlessly from one activity to another, whether it's your breathing exercises, stretching sessions, or any other tasks you have in mind. Interval Flow let's you create multiple programs tailored to your specific needs and preferences (watchOS 10+). With just a few taps on your Apple Watch, you can effortlessly switch between programs and enjoy a seamless flow of activities, staying focused and productive. Interval Flow ensures that your Apple Watch becomes a smart partner, helping you stay on track without any distractions. So, the question is, why settle for a standard timer when you can elevate your Apple Watch experience with Interval Flow? It's a game-changer for anyone who values their time and wants to make the most of every minute.

About

The Forge by Vitality Lounge

Features
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PLEASE NOTE: YOU NEED A theForge ACCOUNT TO ACCESS THIS APP. IF YOU'RE A MEMBER GET IT FOR FREE AT YOUR GYM! Begin your journey to a healthier lifestyle and let theForge help you along the way. Introducing theForge, most comprehensive fitness platform with: • Check class schedules and opening hours • Track your daily fitness activities • Track your weight and other body metrics • Over 2000+ exercises and activities • Clear 3D exercise demonstrations • Preset workouts and the option to create your own • Over 150 badges to earn Select workouts online and synchronize them with your app to workout at home or in the gym while keeping track of your progress. From strength to weight lifting, this app acts as your own personal trainer guiding and giving you the motivation you need. You can sync this app with Apple Health App. If you enable this connection, any workout in the Health app with automatically be added to your Activity Calendar.

Screenshots

The Forge by Vitality Lounge4 screens

Verdict

The call

The clearest difference is in-app purchases: The Forge by Vitality Lounge at none against Interval Flow's 1. Interval Flow's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

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

Both are free to download. Interval Flow sells 1 one-off in-app purchase. The Forge by Vitality Lounge asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Flow ships an update every 2 weeks, The Forge by Vitality Lounge every 2 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Interval Flow versus The Forge by Vitality Lounge: the parameters behind the verdict, then further details
ParameterInterval FlowThe Forge by Vitality Lounge
PriceFreeFree
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size8 MB214 MB
Age rating4+12+
DeveloperTegyaanVitality Lounge GmbH & Co. KG

In-app purchases

1 purchases

Interval Flow

One-time1
  • Multiple Programs$3.99
None

The Forge by Vitality Lounge

No in-app purchases

Questions

Is Interval Flow free?
Interval Flow is free to download, with in-app purchases available.
Is The Forge by Vitality Lounge free?
The Forge by Vitality Lounge is free to download, with no in-app purchases.
Do Interval Flow or The Forge by Vitality Lounge have ads?
Neither Interval Flow nor The Forge by Vitality Lounge shows ads.
Which is updated more often, Interval Flow or The Forge by Vitality Lounge?
Interval Flow ships an update every 2 weeks, and The Forge by Vitality Lounge every 2 months. Most recently, Interval Flow was updated on October 10, 2026 and The Forge by Vitality Lounge on October 24, 2026.

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