Comparison

SynctUp vs Circtek

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

Head to head
About

SynctUp

This app helps professionals manage their extensive contact lists with advanced verification and easy sharing features. It automatically cleans outdated email addresses and allows for quick contact creation from email signatures.

Highlights
  • Email address verification and scrubbing
  • AI-enhanced contact creation from signatures
  • Smart digital business card sharing
  • Automatic contact information updates
  • High accuracy for large contact lists
Features
Read full description

SynctUp™: Clean and Accurate Contacts Designed for professionals with over 500 connections. Over 75% of all mobile contacts are outdated, making them difficult to manage and nearly impossible to maintain. Additionally, 87% of calls are ignored when it’s an unknown caller. SynctUp™ transforms your mobile contacts from the unmanageable into a highly accurate, professional resource—an essential tool for your career. eMailEnsure™ eMailEnsure™ acts as a data scrubber, regularly checking every email address in your contacts. It recommends deletion for non-working emails and certifies verified emails as accurate, rechecking them periodically. Easy Contact Creation from Email Signatures No more manual typing of contacts. Cut and paste email signatures for instant additions to your contacts. Our AI-enhanced tool does the work. ContactsEnsure™: Smarter, Professional Business Card Sharing ContactsEnsure™ is your smart digital business card, designed to make receiving your contact info effortless. With just a few clicks, you can share any combination of your contact details via email or text. The recipient can then easily sync you to their mobile and email contacts eliminating manual entry. ContactsEnsure™ also sends automatic updates, ensuring your network always has your latest information. SynctUp™: Your Professional Advantage 100% accuracy at your fingertips. Download SynctUp™ and watch the magic begin.

About

Circtek

Features
Read full description

Circtek.io offers a verification checklist for used devices, helping users identify key functions. Some tests require manual user input, while others are automated for user review, enhancing the overall experience.

Screenshots

SynctUp4 screens

Verdict

The call

The clearest difference is update cadence: Circtek at every 6 days against SynctUp's fortnightly. SynctUp's advantage is iOS requirement (13.1 vs 15.0). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SynctUp ships an update fortnightly, Circtek every 6 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 7 level
SynctUp versus Circtek: the parameters behind the verdict, then further details
ParameterSynctUpCirctek
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyFortnightlyEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.1 — better15.0
Further details — not scored
Size37 MB12 MB
Age rating4+4+
DeveloperSynctUp LLCRM online B.V.

In-app purchases

None

SynctUp

No in-app purchases

None

Circtek

No in-app purchases

Questions

Is SynctUp free?
SynctUp is free to download, with no in-app purchases.
Is Circtek free?
Circtek is free to download, with no in-app purchases.
Do SynctUp or Circtek have ads?
Neither SynctUp nor Circtek shows ads.
Which is updated more often, SynctUp or Circtek?
SynctUp ships an update fortnightly, and Circtek every 6 days. Most recently, SynctUp was updated on October 7, 2026 and Circtek on October 4, 2026.

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