Comparison

Sej og Stærk vs Gainfully

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

Head to head
About

Sej og Stærk

Features
Read full description

Alt, du behøver til din træning – samlet i én app. Vores træningsapp er udviklet til at støtte og forbedre din træningsrejse ved at samle alle de nødvendige funktioner ét sted. Du kan nemt booke og administrere dine hold, tilmelde dig kommende events og følge dine personlige træningsprogrammer, så du holder kursen mod dine mål. Appen giver dig også adgang til en butik, hvor du kan købe udstyr, kosttilskud og andre nødvendigheder. Du kan registrere dine træningsresultater over tid og følge din udvikling. Derudover kan du lære holdet bag centret at kende i afsnittet "Mød teamet". Alle funktioner er designet med fokus på en professionel og brugervenlig oplevelse – skræddersyet til vores medlemmers behov.

About

Gainfully

Features
Read full description

Gainfully is the AI-powered fitness app that actually knows you. Most fitness apps track your workouts. Gainfully understands them. Your AI personal trainer learns your lifts, your history, and your goals so every recommendation comes from a coach who has been watching your progress from day one. YOUR AI COACH KNOWS YOU Unlike generic AI, Gainfully's coach has access to your actual training data. It knows your squat PR, how often you train, and the notes you left about your knee. Every answer is built around your history, not a generic user. WHAT YOU GET - AI Coach: Ask anything about your training and get answers based on your personal data - Strength tracking: Log sets, reps, and weight in seconds - 1RM progress: Track your estimated one rep max over time - Muscle heatmap: See which muscles you have trained and which need attention - Cardio logging: Runs, cycling, rowing, and more with pace and distance - 1,400+ exercises: Instructions and illustrations for every movement - Training programs: Follow structured programs or build your own - Personal records: Automatic PR detection after every session - Workout calendar: Your complete training history in one view FREE TO START Track unlimited workouts for free. Upgrade to Pro for AI coaching, advanced analytics, and more. Available in English, Danish, German, French, Spanish, and Portuguese.

Screenshots

Sej og Stærk4 screens
Gainfully4 screens

Verdict

The call

The clearest difference is in-app purchases: Sej og Stærk at none against Gainfully's 2. On price, update cadence, ads 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. Gainfully sells 2 in-app purchases, starting at $9.99 per month. Sej og Stærk asks for nothing beyond the download.

UpkeepUpdate frequency

Sej og Stærk ships an update every 11 days, Gainfully every 2 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 5 level
Sej og Stærk versus Gainfully: the parameters behind the verdict, then further details
ParameterSej og StærkGainfully
PriceFreeFree
Update frequencyEvery 11 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.515.1 — better
Further details — not scored
Size60 MB44 MB
Age rating4+4+
DeveloperBooking BoardJesper Larsen

In-app purchases

None

Sej og Stærk

No in-app purchases

2 purchases

Gainfully

Subscriptions2
  • Gainfully Pro$9.991 Month
  • Gainfully Pro Annual$99.991 Year

Questions

Is Sej og Stærk free?
Sej og Stærk is free to download, with no in-app purchases.
Is Gainfully free?
Gainfully is free to download, with in-app purchases available.
Do Sej og Stærk or Gainfully have ads?
Neither Sej og Stærk nor Gainfully shows ads.
Which is updated more often, Sej og Stærk or Gainfully?
Sej og Stærk ships an update every 11 days, and Gainfully every 2 weeks. Most recently, Sej og Stærk was updated on October 9, 2026 and Gainfully on October 8, 2026.

Other comparisons