01dB Connect vs LD Atlas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
01dB Connect
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Connection app for 01dB devices.
LD Atlas
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.
- Bluetooth/WiFi connectivity
- Meter status monitoring
- Calibration
- Measurement execution
- Data review
- PDF report generation
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LD Atlas allows you to communicate via Bluetooth or WiFi with Larson Davis Spartan Noise Dosimeters - Models 730 and 730IS, Human Vibration Meters - Model HVM200, Spartan 821/721, and SoundExpert 821/721. You can view meter status, calibrate meters, make measurements, review measurement data, create and view PDF reports, and analyze data. Due to restrictions introduced in iOS, this version of Atlas does not support the 831C. Please contact support for alternatives or assistance.
Screenshots
Verdict
The clearest difference is update cadence: LD Atlas at every 2 months against 01dB Connect's every 8 months. 01dB Connect's advantage is iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
01dB Connect ships an update every 8 months, LD Atlas every 2 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.
| Parameter | 01dB Connect | LD Atlas |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 8 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 42 MB | 219 MB |
| Age rating | 17+ | 4+ |
| Developer | ACOEM Group | PCB Piezotronics, Inc. |
In-app purchases
01dB Connect
No in-app purchases
LD Atlas
No in-app purchases
Questions
Is 01dB Connect free?
Is LD Atlas free?
Do 01dB Connect or LD Atlas have ads?
Which is updated more often, 01dB Connect or LD Atlas?
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