# BuildSec 4.0 vs Heldenlohn

The clearest difference is in-app purchases: BuildSec 4.0 at none against Heldenlohn's 2. Heldenlohn's advantage is update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Heldenlohn sells 2 in-app purchases, starting at $3.99 per month. BuildSec 4.0 asks for nothing beyond the download.

BuildSec 4.0 ships an update every 2 months, Heldenlohn every 2 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BuildSec 4.0 | Heldenlohn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 205 MB | 37 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Telenot Electronic GmbH](https://appshunter.io/developer/401623741) | [Sebastian Lierka](https://appshunter.io/developer/1880806968) |

## What reviewers say

### BuildSec 4.0

[App page](https://appshunter.io/ios/app/buildsec-40/id1472711329)

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

**In-app purchases:** none


### Heldenlohn

[App page](https://appshunter.io/ios/app/heldenlohn/id6798597166)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - monthly | $3.99 | per month |
| Premium – yearly | $24.99 | per year |


## Frequently asked questions

### Is BuildSec 4.0 free?

BuildSec 4.0 is free to download, with no in-app purchases.

### Is Heldenlohn free?

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

### Do BuildSec 4.0 or Heldenlohn have ads?

Neither BuildSec 4.0 nor Heldenlohn shows ads.

### Which is updated more often, BuildSec 4.0 or Heldenlohn?

BuildSec 4.0 ships an update every 2 months, and Heldenlohn every 2 days. Most recently, BuildSec 4.0 was updated on October 7, 2026 and Heldenlohn on October 11, 2026.

---

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