The Challenge App vs FastenBuddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Challenge App
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JOIN THE CHALLENGE WITH CHRIS CURTIS AND FRIENDS! Challenge yourself and unleash your full fitness potential with "The Challenge App"! Whether you're a beginner looking to jumpstart your fitness journey or a seasoned athlete craving a new test, this app is your ultimate companion. Discover a wide range of fitness challenges, carefully designed to push your limits and keep you motivated every step of the way. From intense 30-day challenges to epic 12-week programs, there's something for everyone, no matter your fitness level or goals. Each challenge within "The Challenge App" offers multiple levels, allowing you to customize the intensity and tailor the experience to your preferences. Whether you're aiming to build strength, increase flexibility, burn fat, or improve overall endurance, you'll find the perfect challenge to suit your needs. Stay motivated with clear targets and milestones, guiding you towards success. As you progress through each challenge, you'll witness firsthand how your dedication and hard work pay off, leading to tangible results and a stronger, healthier version of yourself. Key Features: - A selection of premium fitness challenges ranging from 30 days to 12 weeks - Multiple levels and variations of each challenge, catering to different fitness abilities and goals. - Clear targets and milestones to keep you motivated and focused - Videos of exercise techniques - Track your achievements and witness your transformation over time - Step Tracking, Weight Tracking, Progression Photos - The app integrates with Apple Health, so you can import your daily activity like steps directly into the app. Challenge yourself to greatness and unlock your true potential with "The Challenge App." Download now and embark on an exciting fitness journey that will change your life forever. Get ready to crush your goals, exceed your limits, and embrace a stronger, healthier you! Terms and conditions when using the app: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
FastenBuddy
This app acts as your personal fasting companion, offering various fasting methods, a smart timer, and a calorie tracker with AI meal recognition. It also includes a ketogenic scanner, a buddy system for finding fasting partners, and a collection of recipes. Premium features unlock meditations, step tracking, and an online course.
- Multiple fasting methods (16:8, 24h, ADF, etc.)
- Smart timer with live progress
- AI-powered meal photo recognition
- Ketogenic scanner with traffic light system
- Buddy system for fasting partners
- Recipe library and meal planning
- Activity and calorie tracking
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Dein persönlicher Fasten-Begleiter mit geballtem Fasten-Wissen direkt im Hosentaschenformat. INTERVALLFASTEN MIT METHODE - 16:8, 24h, ADF (36h), Heilfasten, Wasserfasten und Scheinfasten - Smarter Timer mit Live-Fortschritt und Phasen-Erklärungen - Individuelle Fastenmethode anpassbar - Automatischer Erfolgs-Screen wenn dein Ziel erreicht ist - Schlaf und Hunger Notfallkarten KALORIEN-TRACKER - Foto-Erkennung deiner Mahlzeiten via KI - Barcode-Scanner für verpackte Produkte - Eigene Rezepte speichern und tracken - Persönlicher Tagesbedarf (Mifflin-St-Jeor Formel) KETOGENER SCANNER - Scan ein Produkt, sofort wissen ob es deine Ketose unterbricht - Klares Ampel-System: Gruen, Gelb, Rot - Beruecksichtigt Netto-Kohlenhydrate, Zucker, Inhaltsstoffe BUDDY-SYSTEM - Finde Fasten-Partner mit aehnlichen Zielen - Sieh die Fortschritte deines Buddies live - Direkter Chat 100+ REZEPTE - Eiweissreich fuer Esstage - 50 ketogene Rezepte fuer Fastentage (bis 500 kcal) - Wochenplan mit Einkaufsliste SPORT-TRACKER - Trage deine Aktivitaeten ein - Berechnete verbrannte Kalorien PREMIUM-FEATURES - Meditationen und Atemuebungen - Schritte-Tracking - Online-Kurs von Nadine - Fasten-Guide E-Book DEIN PERSOENLICHES WARUM Hinterlege dein Warum und wir erinnern dich taeglich daran. WICHTIGER HINWEIS: Diese App ersetzt keine medizinische Beratung. Bei gesundheitlichen Vorerkrankungen, Schwangerschaft oder vor laengerem Fasten konsultiere bitte deinen Arzt. Nutzungsbedingungen (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Datenschutzerklärung: https://fastenbuddy.com/datenschutz
Screenshots
Verdict
The clearest difference is update cadence: FastenBuddy at every 5 days against The Challenge App's every 2 weeks. 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
Both are free to download. The Challenge App sells 4 in-app purchases, starting at $17.99 per month and FastenBuddy sells 4 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.
The Challenge App ships an update every 2 weeks, FastenBuddy every 5 days. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.
| Parameter | The Challenge App | FastenBuddy |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 171 MB | 128 MB |
| Age rating | 4+ | 17+ |
| Developer | Christian Curtius | Nadine Thomainsky |
In-app purchases
The Challenge App
- Mitgliedschaft für die App.7 Days trial$17.991 Month
- Jährlich Mitgliedschaft für die App$99.991 Year
- Shape Together - Men - Gym$179.00
- Shape Together - Challenge3 variants$179.00
FastenBuddy
- Fastenbuddy Pro Monatlich$11.991 Month
- Fastenbuddy Pro Jährlich$69.991 Year
- Fastenbuddy Premium$8.99
- Fastenbuddy Pro Lifetime$199.99
Questions
Is The Challenge App free?
Is FastenBuddy free?
Do The Challenge App or FastenBuddy have ads?
Which is updated more often, The Challenge App or FastenBuddy?
Other comparisons
