Comparison

VST103Setting vs Contact

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

VST103Setting

Features
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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

About

Contact

Features
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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 linkβ€”without 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 lateβ€”secure 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

VST103Setting4 screens
Contact4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Contact sells 1 in-app purchase, starting at $5.99 per year. VST103Setting asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences Β· 4 level
VST103Setting versus Contact: the parameters behind the verdict, then further details
ParameterVST103SettingContact
PriceFreeFree
Update frequencyEvery 5 weeks β€” betterEvery 12 months
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.014.0
Further details β€” not scored
Size5 MB26 MB
Age rating4+4+
DeveloperVITALSIGNS TECHNOLOGY CO., LTD.Think Discount, LLC

In-app purchases

None

VST103Setting

No in-app purchases

1 purchases

Contact

Subscriptions1
  • Annual Plan$5.991 Year

Questions

Is VST103Setting free?
VST103Setting is free to download, with no in-app purchases.
Is Contact free?
Contact is free to download, with in-app purchases available.
Do VST103Setting or Contact have ads?
Neither VST103Setting nor Contact shows ads.
Which is updated more often, VST103Setting or Contact?
VST103Setting ships an update every 5 weeks, and Contact every 12 months. Most recently, VST103Setting was updated on October 6, 2026 and Contact on October 16, 2026.

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