# SelBuk vs LockNet Tech App

The clearest difference is in-app purchases: LockNet Tech App at none against SelBuk's 2. LockNet Tech App also leads on update cadence (every 3 weeks vs every 4 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. SelBuk sells 2 in-app purchases, starting at $2.99 per month. LockNet Tech App asks for nothing beyond the download.

SelBuk ships an update every 4 months, LockNet Tech App every 3 weeks. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SelBuk | LockNet Tech App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (70 ratings)](https://appshunter.io/ios/app/selbuk-invoice-maker-ipa/id406188186/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 79.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 53 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Crafty Apps](https://appshunter.io/developer/320546449) | [LockNet](https://appshunter.io/developer/530013771) |

## What reviewers say

### SelBuk

[App page](https://appshunter.io/ios/app/selbuk-invoice-maker-ipa/id406188186)

Manage inventory, create invoices, and track sales on your iPhone or iPad, even offline. Ideal for businesses on the go, offering features like client routes, multi-user access, and cloud syncing.

**Highlights:** Invoicing and Billing, Inventory Management, Client Routes and Tracking (iPad), Multi-User Access, Cloud Sync and Web Access, Customizable Reports, Offline Operation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SelBuk Basic Monthly | $2.99 | per month |
| SelBuk Basic Anual | $29.99 | per year |


### LockNet Tech App

[App page](https://appshunter.io/ios/app/locknet-tech-app/id530013708)

Manage work orders, view job details, and update status for technicians and subcontractors. This tool streamlines field operations for customers and service providers.

**Highlights:** Access work orders, View job information, Report job status, Update job completion, Streamline field operations

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

**In-app purchases:** none


## Frequently asked questions

### Is SelBuk free?

SelBuk is free to download, with in-app purchases available.

### Is LockNet Tech App free?

LockNet Tech App is free to download, with no in-app purchases.

### Do SelBuk or LockNet Tech App have ads?

Neither SelBuk nor LockNet Tech App shows ads.

### Which is updated more often, SelBuk or LockNet Tech App?

SelBuk ships an update every 4 months, and LockNet Tech App every 3 weeks. Most recently, SelBuk was updated on September 25, 2026 and LockNet Tech App on September 9, 2026.

---

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