VST103Setting vs Contact
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
VST103Setting
Read full descriptionHide full description
1. BLE Humidity & Temperature device parameter setting tool 2. Setting the BLE Advertising period time 3. Setting Humidity & Temperature offset 4. Check FW version & update
Contact
Read full descriptionHide full description
Introducing Contact Owner, a go to solution designed to protect your privacy while making it easy for someone to return your lost phone. With Contact Owner, you can add a widget to your phone's Lock Screen (for supported phones) or Today View, allowing good samaritans to contact you via a secure linkβwithout displaying any of your private information on the lock screen or today screen. Setup is easy: Setting up is as simple as 1-2-3! Subscribe to the service, register your device, and add the widget. Now, anyone who finds your phone can reach out to you safely. How does it work? When someone finds your phone they can reach out to you through the link the app provides on the screen widgets. You will then receive an email at the email address you used to register your device during registration. Coming soon: stickers for even more visibility! Don't wait until it's too lateβsecure your device today with Contact Owner. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ In-app auto-renewable subscription is required to use our app.
Screenshots
Verdict
The clearest difference is in-app purchases: VST103Setting at none against Contact's 1. VST103Setting also leads on update cadence (every 5 weeks vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Contact sells 1 in-app purchase, starting at $5.99 per year. VST103Setting asks for nothing beyond the download.
VST103Setting ships an update every 5 weeks, Contact every 12 months. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.
| Parameter | VST103Setting | Contact |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks β better | Every 12 months |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details β not scored | ||
| Size | 5 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | VITALSIGNS TECHNOLOGY CO., LTD. | Think Discount, LLC |
In-app purchases
VST103Setting
No in-app purchases
Contact
- Annual Plan$5.991 Year









