# Kontact vs LockPLUS by NL Lock

Kontact and LockPLUS by NL Lock 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.

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

Kontact ships an update every 3 months, LockPLUS by NL Lock every 5 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Kontact | LockPLUS by NL Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (18 ratings)](https://appshunter.io/ios/app/kontact-mass-text-message/id1604297067/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | — |
| Size | 65 MB | 28 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TechSweet LLC](https://appshunter.io/developer/1604297069) | [NL Lock&Electronics](https://appshunter.io/developer/1475903613) |

## What reviewers say

### Kontact

[App page](https://appshunter.io/ios/app/kontact-mass-text-message/id1604297067)

Organize your connections with advanced features like sorting by date added and custom tagging. Send personalized mass texts to groups using saved templates. Streamline communication and never lose track of important contacts again.

**Highlights:** Sort contacts by date added, Apply custom tags to contacts, Send personalized mass texts, Create and use message templates, Individual message sending option, Enhanced contact organization

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

**In-app purchases:** none


### LockPLUS by NL Lock

[App page](https://appshunter.io/ios/app/lockplus-by-nl-lock/id1629040098)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kontact free?

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

### Is LockPLUS by NL Lock free?

LockPLUS by NL Lock is free to download, with no in-app purchases.

### Do Kontact or LockPLUS by NL Lock have ads?

Neither Kontact nor LockPLUS by NL Lock shows ads.

### Which is updated more often, Kontact or LockPLUS by NL Lock?

Kontact ships an update every 3 months, and LockPLUS by NL Lock every 5 months. Most recently, Kontact was updated on October 24, 2026 and LockPLUS by NL Lock on October 10, 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.*