# Fill In Studio vs AllSync CRM

The clearest difference is update cadence: AllSync CRM at every 4 days against Fill In Studio's every 2 weeks. Fill In Studio's advantage is iOS requirement (14.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

Fill In Studio ships an update every 2 weeks, AllSync CRM every 4 days. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Fill In Studio | AllSync CRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fill-in-studio-class-manager/id6756318343/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 61 MB | 37 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Fill In LLC](https://appshunter.io/developer/1846910963) | [David Miller](https://appshunter.io/developer/1859119348) |

## 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


### AllSync CRM

[App page](https://appshunter.io/ios/app/allsync-crm/id6790646783)

**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 AllSync CRM free?

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

### Do Fill In Studio or AllSync CRM have ads?

Neither Fill In Studio nor AllSync CRM shows ads.

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

Fill In Studio ships an update every 2 weeks, and AllSync CRM every 4 days. Most recently, Fill In Studio was updated on October 10, 2026 and AllSync CRM on October 18, 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.*