# Nula vs SitterSync

Nula and SitterSync both sit at 4.4 stars, but that hides the real split: 75% of SitterSync's written reviews are positive against 50% of Nula's. SitterSync also leads on iOS requirement (13.0 vs 16.0). Nula's advantage is ratings volume (18 vs 5). 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.

SitterSync holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 18 and 5 respectively. Written reviews point the same way: 50% of Nula's written reviews are positive against 75% of SitterSync's.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 22, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Nula | SitterSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (18 ratings)](https://appshunter.io/ios/app/nula-for-sitters/id1580950329/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/sittersync/id6478174862/reviews)** |
| Number of ratings | **18** | 5 |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | Free |
| Size | 82 MB | 117 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nula LLC](https://appshunter.io/developer/1580949814) | [SitterSync Inc.](https://appshunter.io/developer/1732108159) |

## What reviewers say

### Nula

[App page](https://appshunter.io/ios/app/nula-for-sitters/id1580950329)

This app simplifies childcare by connecting parents with verified sitters. It offers features for scheduling, task management, live location tracking, and secure payments, providing peace of mind for families and opportunities for sitters.

**Highlights:** Find and connect with verified sitters, Schedule appointments and assign tasks, Real-time GPS sitter tracking, In-app messaging and photo/video sharing, Effortless payments with built-in calculations, Sitter profile creation and management

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Nula free?

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

### Is SitterSync free?

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

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

SitterSync is rated higher. Nula averages 4.4 out of 5 from 18 ratings, while SitterSync averages 4.6 from 5 ratings.

### Do Nula or SitterSync have ads?

Neither Nula nor SitterSync shows ads.

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

Nula ships an update every 5 weeks, and SitterSync every 5 weeks. Most recently, Nula was updated on September 22, 2026 and SitterSync on September 29, 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.*