Aspra vs ContactZapp

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Aspra compared with ContactZapp
Detail	Aspra	ContactZapp
What it does	Kaizen-inspired habit and goal tracker for iPhone with no streaks or gamification	Sync your contacts between Google, Microsoft, Apple and CardDAV. Find and merge duplicates easily.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	Lone Wolf (solo): $34.99/year or $4.99/week. Partner (two people): $49.99/year or $6.99/week. Yearly plans include 3 days free to try.	Free plan: 2 synced accounts, 100 contacts, no time limit. Easy plan: $4.00/month (billed $47.94/year, was $95.88). Unlimited plan: $8.00/month (billed $95.94/year, was $191.88). 50% off Easy and Unlimited with code HALLOWEEN.
Key features	Solo or partner mode (exactly two people) Monthly milestones and daily actions Consistency rate instead of streaks No streaks, points, badges or leaderboards Shared journal and goals with partner Live Activity on Lock Screen and Dynamic Island AI-generated personalized plans Private data synced through iCloud No ads, no data sold 3-day free trial on yearly plan	Two-way sync across Google, Microsoft, Apple and CardDAV Merge duplicates in one go, or review them one by one Full change history with undo capability Backups and vCard export Sync frequency control (hourly, daily, or manual) Set accounts to read-only mode Preserve all phone numbers and email addresses Up to 5 encrypted account backups 12-month undo history Restore deleted contacts for 12 months
What makes it different	No streaks that reset on a missed day; consistency shown as a rate Capped at exactly two people for focused accountability Built by one independent maker, not a growth team No gamification, social feeds, or followers	Syncs across all major platforms in both directions automatically Encrypted contacts with privacy key per account Undo any change for up to 12 months No time limit on free plan Automatic duplicate detection and optional auto-merge
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	10 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	20	11
Referring domains (Majestic)	6	1

5 details filled in for both companies.

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