# LD Atlas vs SeTap

The clearest difference is device support: LD Atlas at 3 against SeTap's 1. LD Atlas also leads on iOS requirement (14.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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 every 2 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | LD Atlas | SeTap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ld-atlas/id1458129589/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 219 MB | 11 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PCB Piezotronics, Inc.](https://appshunter.io/developer/1049795372) | [Linea Light s.r.o](https://appshunter.io/developer/1326080820) |

## What reviewers say

### LD Atlas

[App page](https://appshunter.io/ios/app/ld-atlas/id1458129589)

This application connects to specific noise dosimeters and vibration meters via Bluetooth or WiFi. It enables users to monitor meter status, perform calibrations, conduct measurements, and generate detailed PDF reports for analysis.

**Highlights:** Bluetooth/WiFi connectivity, Meter status monitoring, Calibration, Measurement execution, Data review, PDF report generation

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

**In-app purchases:** none


### SeTap

[App page](https://appshunter.io/ios/app/setap/id6742980535)

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

**In-app purchases:** none


## Frequently asked questions

### Is LD Atlas free?

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

### Is SeTap free?

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

### Do LD Atlas or SeTap have ads?

Neither LD Atlas nor SeTap shows ads.

### Which is updated more often, LD Atlas or SeTap?

LD Atlas ships an update every 2 months, and SeTap every 2 months. Most recently, LD Atlas was updated on October 2, 2026 and SeTap on October 4, 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.*