Fill In Studio vs Gostelo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fill In Studio
This app helps fitness studios and gyms fill empty class spots by connecting them with local clients seeking last-minute bookings. Easily post classes, create discounted deals, and manage all your bookings and payments securely.
- Studio dashboard for bookings and revenue
- Post classes with details and photos
- Create flash deals for last-minute openings
- Manage class bookings and attendee lists
- Secure Stripe Connect payouts
- Instant notifications for new bookings
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Fill In Studio is the companion app for fitness studios and gyms on the Fill In platform. Post classes, manage bookings, create flash deals, and grow your business — all from your iPhone. THE FILL IN OPPORTUNITY Every empty spot in your class is lost revenue. Fill In connects you with a community of fitness enthusiasts actively looking for last-minute classes near them. When you have openings, they're ready to book. HOW IT WORKS 1. POST your classes with details, pricing, and photos 2. SET your "Fill In" price (discounted rate for last-minute bookings) 3. CREATE flash deals when you want to fill spots fast 4. WATCH bookings roll in from nearby fitness seekers Fill In handles everything — payments, notifications, and customer communication. You focus on delivering great workouts. KEY FEATURES • STUDIO DASHBOARD — See your bookings, revenue, and active deals at a glance • POST CLASSES — Create classes with descriptions, photos, pricing, and capacity • FLASH DEALS — Offer time-sensitive discounts to fill empty spots quickly • CLASS TEMPLATES — Save your recurring class types for one-tap posting • MANAGE BOOKINGS — View who's coming to each class • EDIT & CANCEL — Update class details or cancel with automatic attendee notifications • ANALYTICS — Track performance, popular classes, and earnings over time • STRIPE CONNECT — Secure, automated payouts directly to your bank account INSTANT NOTIFICATIONS When you post a class or flash deal, Fill In automatically notifies nearby fitness enthusiasts who have enabled alerts. Your class gets visibility exactly when it matters. STRIPE CONNECT PAYOUTS Fill In uses Stripe Connect for secure, reliable payments. After completing a quick onboarding process, you'll receive payouts directly to your bank account. Track your earnings in the app and on the Stripe dashboard. WHO IS FILL IN STUDIO FOR? • BOUTIQUE FITNESS STUDIOS looking to fill last-minute openings • YOGA & PILATES STUDIOS wanting to reach new clients • GYMS offering specialty classes • INDEPENDENT INSTRUCTORS who teach at multiple locations • FITNESS ENTREPRENEURS growing their client base SUPPORTED CLASS TYPES - Yoga (all styles) - Pilates (mat & reformer) - HIIT & Circuit Training - Barre - Indoor Cycling / Spin - CrossFit - Strength Training - Dance & Cardio - Boxing & Martial Arts - And more! SIMPLE PRICING Fill In takes a small platform fee only when you get paid. No monthly fees. No setup costs. No risk. GET STARTED 1. Download Fill In Studio 2. Create your studio profile 3. Complete Stripe Connect onboarding 4. Post your first class It takes just minutes to set up. Start reaching new clients today! Need help? Contact our studio support team: studios@getfillin.com Learn more at: getfillin.com/studios
Gostelo
Streamline your service business with an easy-to-use booking and scheduling platform. Create a personalized booking page, manage your calendar in real-time, and reduce no-shows with automatic SMS reminders. Build your customer list and maintain full control over your schedule.
- Online booking page
- Real-time dashboard
- Automatic SMS reminders
- Customer list management
- Schedule control
- Custom intake forms
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Gostelo is booking and scheduling for solo operators and small service businesses — barbers, salons, beauty studios, mobile mechanics, tutors, cleaners, and anyone whose calendar is their business. WHAT YOU GET • Your own booking page in 60 seconds. Pick a subdomain (yourname.gostelo.com) — customers book online without downloading anything. • Real-time dashboard. Today's bookings at a glance, swipe through the week, push notifications the moment a new booking lands. • Automatic SMS reminders. Cut no-shows. Customers confirm or cancel by text 24 hours before their appointment. • Customer list that builds itself. Every booking creates a record. Add notes, mark VIPs, block problem clients. • Full schedule control. Weekly hours, vacation blocks, buffer time. Customers only book slots you've opened. • Custom intake forms. Ask the questions that matter — allergies, preferences, vehicle make — right at booking. NO COMMISSIONS No per-booking fees. No upsells. The free tier covers everything most one-person businesses need. PRIVACY FIRST We don't sell your data. SMS goes out from your business name, not ours. No Gostelo ads on your booking page. Sign up takes a minute. Share your booking link, fill your calendar.
Screenshots
Verdict
Fill In Studio and Gostelo are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Fill In Studio against 5.0 for Gostelo. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Fill In Studio ships an update every 2 weeks, Gostelo every 10 days. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.
| Parameter | Fill In Studio | Gostelo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 61 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Fill In LLC | NIBIYAA LLC |
In-app purchases
Fill In Studio
No in-app purchases
Gostelo
No in-app purchases









