SynctUp vs Contactulater
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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 It automatically cleans outdated email addresses and allows for quick contact creation from email signatures.
- 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
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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 Over 75% of all mobile contacts are outdated, making them difficult to manage and nearly impossible to maintain.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.
Contactulater
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With Contactulater you're always in control who of your contacts has which of your contact details. At the same time it ensures that they are always up to date, no matter whether you moved, got a new phone number or anything else changed. The same way they ensure that your contact book is always current without you having to do anything for it. As a bonus all your data isn't saved anywhere centrally but only on your devices and with the contacts you shared with. And of course all data transfer is end-to-end encrypted.
Screenshots
Verdict
The clearest difference is iOS requirement: SynctUp at 13.1 against Contactulater's 26.0. 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.
SynctUp ships an update fortnightly, Contactulater every 2 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | SynctUp | Contactulater |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Fortnightly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 37 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | SynctUp LLC | Martin Clauss |
In-app purchases
SynctUp
No in-app purchases
Contactulater
No in-app purchases









