# Fill In Studio vs Petso Pro

The clearest difference is in-app purchases: Fill In Studio at none against Petso Pro's 2. Fill In Studio also leads on update cadence (every 2 weeks vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Petso Pro sells 2 in-app purchases, starting at $29.99 per month. Fill In Studio asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Fill In Studio against 5.0 for Petso Pro. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Fill In Studio ships an update every 2 weeks, Petso Pro every 2 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Fill In Studio | Petso Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fill-in-studio-class-manager/id6756318343/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/petso-pro/id6775517655/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 61 MB | 44 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fill In LLC](https://appshunter.io/developer/1846910963) | [Petso BV](https://appshunter.io/developer/871832864) |

## What reviewers say

### Fill In Studio

[App page](https://appshunter.io/ios/app/fill-in-studio-class-manager/id6756318343)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Petso Pro

[App page](https://appshunter.io/ios/app/petso-pro/id6775517655)

Manage your pet care business efficiently with this app. Track bookings, client information, services, and finances. Generate medical records and invoices, and receive real-time alerts for seamless operations.

**Highlights:** Booking and calendar management, Client and pet profile tracking, Service and pricing setup, Invoicing and payment tracking, Medical record and certificate generation, Real-time notifications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Petso Pro | $29.99 | per month |
| Petso Pro | $299.99 | per year |


## Frequently asked questions

### Is Fill In Studio free?

Fill In Studio is free to download, with no in-app purchases.

### Is Petso Pro free?

Petso Pro is free to download, with in-app purchases available.

### Which has better reviews, Fill In Studio or Petso Pro?

Fill In Studio and Petso Pro are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Fill In Studio or Petso Pro have ads?

Neither Fill In Studio nor Petso Pro shows ads.

### Which is updated more often, Fill In Studio or Petso Pro?

Fill In Studio ships an update every 2 weeks, and Petso Pro every 2 months. Most recently, Fill In Studio was updated on October 30, 2026 and Petso Pro on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*