Strong Curves vs Gainfully
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Strong Curves
This app consolidates all your fitness needs, allowing you to book classes, manage personal training programs, and track your progress. It also features a shop for fitness essentials and introduces you to the team behind the center.
- Class booking and management
- Personal training program access
- Event registration
- Progress tracking
- In-app shop for fitness gear
- Meet the team section
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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.
Gainfully
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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
Verdict
The clearest difference is in-app purchases: Strong Curves 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
Both are free to download. Gainfully sells 2 in-app purchases, starting at $9.99 per month. Strong Curves asks for nothing beyond the download.
Strong Curves ships an update every 10 days, Gainfully every 2 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.
| Parameter | Strong Curves | Gainfully |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.5 | 15.1 — better |
| Further details — not scored | ||
| Size | 60 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Booking Board | Jesper Larsen |
In-app purchases
Strong Curves
No in-app purchases
Gainfully
- Gainfully Pro$9.991 Month
- Gainfully Pro Annual$99.991 Year
