Coating OS vs AestraBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Coating OS
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CoatingOS is the all-in-one business management app built specifically for floor coating contractors - epoxy, polyurea, polyaspartic, and concrete coating professionals. MANAGE YOUR ENTIRE BUSINESS: - Create and send professional estimates in minutes - Convert estimates to work orders with one tap - Generate invoices and track payments - Schedule jobs and manage your calendar - Store customer information and job history STAY CONNECTED: - Two-way SMS messaging with customers - Automated follow-up workflows - Push notifications for new leads and messages - Access everything from your phone or tablet BUILT FOR CONTRACTORS: - Industry-specific line items and pricing - Photo documentation for jobs - Square payment integration Whether you're in the field or at the office, Coating OS keeps your business running smoothly. Subscription required.
AestraBook
This platform helps independent business owners manage appointments and showcase their services online. Clients can easily view offerings, check availability, and book services through a customizable page.
- Customizable booking page
- Service and pricing management
- Appointment scheduling
- Deposit collection
- Availability control
- Client experience enhancement
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Aestra is a modern booking platform built for independent business owners who want a better way to manage appointments and present their brand online. Create a beautiful, customizable booking page where clients can view your services, check your availability, review your policies, and reserve appointments in just a few taps. Whether you are a hairstylist, braider, barber, or esthetician, Aestra helps you stay organized while giving clients a polished booking experience that feels professional from the first click. With Aestra, you can: Create a custom booking page Showcase your services, pricing, availability, policies, and brand style in one easy-to-share link. Manage appointments from your phone View upcoming bookings, track client details, and keep your schedule organized wherever you are. Set services, prices, and durations Add your service menu with clear descriptions, pricing, deposits, and appointment lengths. Collect deposits for appointments Require deposits to help secure bookings and reduce last-minute cancellations or no-shows. Control your availability Set when you are available, block off time, and make it easier for clients to book the right appointment. Share a better client experience Give clients a clean, simple way to browse services, choose a time, and book without messy back-and-forth messages. Aestra is designed for independent business professionals who want their booking system to feel as polished as their work. Download Aestra and start building a booking experience your clients will love.
Screenshots
Verdict
The clearest difference is iOS requirement: AestraBook at 15.1 against Coating OS's 17.1. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Coating OS ships an update every 2 weeks, AestraBook every 9 days. The most recent releases landed on November 13, 2026 and November 9, 2026 respectively.
| Parameter | Coating OS | AestraBook |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 17.1 | 15.1 — better |
| Further details — not scored | ||
| Size | 202 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Jackson Stephenson | DVNTND LLC |
In-app purchases
Coating OS
No in-app purchases
AestraBook
No in-app purchases









