Smartin lock vs StaySync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smartin lock
Read full descriptionHide full description
Application to use with SMARTIN Locks.
StaySync
Read full descriptionHide full description
Simplify hotel management and focus on what truly matters: your guests. StaySync is an intuitive, simple, and powerful reservation management app designed specifically for small hotels, inns, B&Bs, and vacation rental owners. Try all features with a 1-month free trial. Say goodbye to complex spreadsheets and costly systems. With StaySync, you can free yourself from tedious administrative tasks and dedicate more time to providing exceptional hospitality. ▼ Is This You? Struggling with paper ledgers or messy spreadsheets? Need to check booking status on the go? Finding it hard to share updated information with your team? Overwhelmed by expensive, feature-heavy PMS (Property Management Systems)? Looking for an easy-to-use app that requires no technical skills? StaySync is the solution you've been searching for. 【Key Features】 Intuitive Calendar-Based UI Our clean calendar view gives you an at-a-glance overview of all your bookings. Easily check availability and prevent double bookings. Real-Time iCloud Sync Keep your reservations synchronized across all your devices (iPhone, iPad) using iCloud. Your data is always up-to-date, whether you're at the front desk or out and about. Effortless Booking Management Add new reservations in just a few taps. The streamlined process allows you to manage guest information and bookings without hassle. Designed for Simplicity We've focused on the essential features you need, eliminating the bloat. StaySync is incredibly easy to use, with no training required. 【Free Trial & Subscription】 You can try all of StaySync's features for free for one month. We want you to have plenty of time to see how it fits your property's needs. To continue using all features after the free trial period ends, a subscription to a paid plan is required. 【Perfect For】 Owners and managers of small hotels, pensions, inns, and B&Bs. Vacation rental hosts (e.g., Airbnb). Anyone managing guest properties. Download StaySync today and start managing your property the smart and simple way. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/stay-sync/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: Smartin lock at none against StaySync's 2. Smartin lock also leads on iOS requirement (8.0 vs 16.4). On price, update cadence, ads and device support 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. StaySync sells 2 in-app purchases, starting at $2.99 per month. Smartin lock asks for nothing beyond the download.
Smartin lock ships an update monthly, StaySync every 2 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.
| Parameter | Smartin lock | StaySync |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 35 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | MARINOS AIMONIOTIS | Yasunori Tanaka |
In-app purchases
Smartin lock
No in-app purchases
StaySync
- 1-Month Plan1 Month trial$2.991 Month
- 1-Year Plan1 Month trial$29.991 Year








