Comparison

Fill In Studio vs Gostelo

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

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.

Highlights
  • Online booking page
  • Real-time dashboard
  • Automatic SMS reminders
  • Customer list management
  • Schedule control
  • Custom intake forms
Features
Read full description

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

Fill In Studio4 screens
Gostelo4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

ScorecardNo meaningful differences
Fill In Studio versus Gostelo: the parameters behind the verdict, then further details
ParameterFill In StudioGostelo
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size61 MB36 MB
Age rating4+4+
DeveloperFill In LLCNIBIYAA LLC

In-app purchases

None

Fill In Studio

No in-app purchases

None

Gostelo

No in-app purchases

Questions

Is Fill In Studio free?
Fill In Studio is free to download, with no in-app purchases.
Is Gostelo free?
Gostelo is free to download, with no in-app purchases.
Which has better reviews, Fill In Studio or Gostelo?
Fill In Studio and Gostelo are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Fill In Studio or Gostelo have ads?
Neither Fill In Studio nor Gostelo shows ads.
Which is updated more often, Fill In Studio or Gostelo?
Fill In Studio ships an update every 2 weeks, and Gostelo every 10 days. Most recently, Fill In Studio was updated on October 10, 2026 and Gostelo on October 14, 2026.

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