Underdog Curve vs Linq zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Underdog Curve
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Inside the Underdog Curve app, you can: Access all of your videos in one easy to use app Receive push notifications with the latest news and updates Access to all of your videos without having to remember your password Save your favorite posts so you can quickly find them later END USER LICENSE AGREEMENT https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Linq zero
Manage professional contacts, communicate with clients via messaging and calls, and monitor team conversations. This native iOS app offers a clean interface with features like real-time messaging, VoIP calling, and team inbox functionality.
- Contact management
- Real-time messaging
- VoIP calling
- Team inbox
- Native iOS interface
- Dark mode support
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Your professional relationships, always within reach. Linq brings LinqCRM to your iPhone. Manage contacts, message clients, and make calls — all from one native iOS app. CONTACTS - Search your contacts instantly - View profiles, activities, and integration sync status - Add notes and manage tags on the go MESSAGING - Real-time text messaging with delivery tracking - Share photos, documents, and voice memos - Quick templates for common responses CALLING - Make VoIP calls directly in the app - View call history, summaries, and transcripts TEAM INBOX - Monitor your team's conversations - Handle inquiries on behalf of teammates DESIGNED FOR PROS - Clean native interface with dark mode - Fast search and filtering - Haptic feedback throughout Stay productive wherever you are.
Screenshots
Verdict
Underdog Curve and Linq zero are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.
| Parameter | Underdog Curve | Linq zero |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 38 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Underdog Curve, LLC | Linq, LLC |
In-app purchases
Underdog Curve
No in-app purchases
Linq zero
No in-app purchases
