# Fill In Studio vs Opslyflow

The clearest difference is update cadence: Fill In Studio at every 2 weeks against Opslyflow's every 6 weeks. On price, rating, ratings volume and ads there is nothing between them.

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 Opslyflow. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Fill In Studio ships an update every 2 weeks, Opslyflow every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fill In Studio | Opslyflow |
| --- | --- | --- |
| 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/opslyflow-field-service/id6758951293/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 61 MB | 35 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) | [Joshua Griffin](https://appshunter.io/developer/1441925277) |

## 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


### Opslyflow

[App page](https://appshunter.io/ios/app/opslyflow-field-service/id6758951293)

Manage clients, jobs, invoicing, and payments for your trade business. This app offers features like scheduling, estimates, and online payments without extra costs. Track revenue and business performance in real time.

**Highlights:** Client and job management, Estimate and invoice creation, Online payment processing, Team scheduling and assignment, Real-time revenue dashboard, Mobile and web access

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

**In-app purchases:** none


## Frequently asked questions

### Is Fill In Studio free?

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

### Is Opslyflow free?

Opslyflow is free to download, with no in-app purchases.

### Which has better reviews, Fill In Studio or Opslyflow?

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

### Do Fill In Studio or Opslyflow have ads?

Neither Fill In Studio nor Opslyflow shows ads.

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

Fill In Studio ships an update every 2 weeks, and Opslyflow every 6 weeks. Most recently, Fill In Studio was updated on October 30, 2026 and Opslyflow on October 31, 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.*