# DATAMARK INSIDE vs Linq zero

The clearest difference is update cadence: Linq zero at fortnightly against DATAMARK INSIDE's monthly. DATAMARK INSIDE's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

DATAMARK INSIDE ships an update monthly, Linq zero fortnightly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DATAMARK INSIDE | Linq zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/linq-zero/id6749238366/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free |
| Size | 118 MB | 38 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Baker International, LLC](https://appshunter.io/developer/918083379) | [Linq, LLC](https://appshunter.io/developer/1492946254) |

## What reviewers say

### DATAMARK INSIDE

[App page](https://appshunter.io/ios/app/datamark-inside/id6738929046)

**Features:** macOS Compatibility

**In-app purchases:** none


### Linq zero

[App page](https://appshunter.io/ios/app/linq-zero/id6749238366)

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.

**Highlights:** Contact management, Real-time messaging, VoIP calling, Team inbox, Native iOS interface, Dark mode support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DATAMARK INSIDE free?

DATAMARK INSIDE is free to download, with no in-app purchases.

### Is Linq zero free?

Linq zero is free to download, with no in-app purchases.

### Do DATAMARK INSIDE or Linq zero have ads?

Neither DATAMARK INSIDE nor Linq zero shows ads.

### Which is updated more often, DATAMARK INSIDE or Linq zero?

DATAMARK INSIDE ships an update monthly, and Linq zero fortnightly. Most recently, DATAMARK INSIDE was updated on October 8, 2026 and Linq zero on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*