# SitterSync vs FAST

SitterSync and FAST both sit at 4.6 stars, but that hides the real split: 95% of FAST's written reviews are positive against 75% of SitterSync's. FAST also leads on ratings volume (53 vs 5). SitterSync's advantage is monetization model (free vs ad-supported). On price, rating, update cadence 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 — 4.6 for SitterSync against 4.7 for FAST. That said, the two scores are not equally well evidenced: FAST has 53 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 75% of SitterSync's written reviews are positive against 95% of FAST's.

SitterSync ships an update every 5 weeks, FAST every 3 weeks. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | SitterSync | FAST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/sittersync/id6478174862/reviews) | **[4.7 (53 ratings)](https://appshunter.io/ios/app/fast-find-a-sitter-today/id6523428001/reviews)** |
| Number of ratings | 5 | **53** |
| Positive reviews | 75.0% of reviews | **95.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 116 MB | 75 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SitterSync Inc.](https://appshunter.io/developer/1732108159) | [Find A Sitter Today Inc](https://appshunter.io/developer/1741323015) |

## What reviewers say

### SitterSync

[App page](https://appshunter.io/ios/app/sittersync/id6478174862)

This platform simplifies childcare management by connecting parents and caregivers. Easily post jobs, manage sitter availability, and utilize a first-come, first-serve booking system for efficient matching.

**Highlights:** Post job opportunities, Invite favorite sitters, Sitters share availability, First-come, first-serve booking, Streamlined communication

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### FAST

[App page](https://appshunter.io/ios/app/fast-find-a-sitter-today/id6523428001)

Connect with rigorously vetted babysitters available on-demand in your area. Track your sitter's location in real-time and receive updates directly through the app. Enjoy peace of mind with comprehensive background checks and interviews for all sitters.

**Highlights:** On-demand sitter matching, Real-time GPS tracking, In-app messaging and photos, Rigorously vetted sitters, Background checks, Individual interviews

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

**In-app purchases:** none


## Frequently asked questions

### Is SitterSync free?

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

### Is FAST free?

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

### Which has better reviews, SitterSync or FAST?

FAST is rated higher. SitterSync averages 4.6 out of 5 from 5 ratings, while FAST averages 4.7 from 53 ratings.

### Do SitterSync or FAST have ads?

Neither SitterSync nor FAST shows ads.

### Which is updated more often, SitterSync or FAST?

SitterSync ships an update every 5 weeks, and FAST every 3 weeks. Most recently, SitterSync was updated on October 25, 2026 and FAST on October 22, 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.*