LDM STUDIO_EN vs HA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LDM STUDIO_EN
This utility app provides tools for measuring distances on sites and highways. It offers a straightforward way to get accurate measurements for various applications.
- Site measurement
- Highway measurement
- Distance calculation
- Utility tool
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Tool for site, highway measurement
HA
This utility app allows remote control of various device functions. You can adjust settings like volume and gain, switch programs, and manage noise reduction. It also provides battery status and connection information.
- Remote device control
- Adjust volume
- Switch programs
- Adjust gain
- Manage noise reduction
- Check battery and connection status
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Users can control devices remotely with HA-Link software. With the intelligent control application, you can: 1. Adjust volume of the devices. 2. Switch the devices program. 3. Adjust the gain. 4. Switch feedback and noise reduction 5. Check the battery power and connection status.
Screenshots
Verdict
LDM STUDIO_EN and HA are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
On the App Store both sit at effectively the same score — 5.0 for LDM STUDIO_EN against 5.0 for HA. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
LDM STUDIO_EN ships an update every 5 weeks, HA every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | LDM STUDIO_EN | HA |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 25 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | 刚 何 | KOOMA INTERNATIONAL TRADING, LLC |
Customer experience
LDM STUDIO_EN
HA
In-app purchases
LDM STUDIO_EN
No in-app purchases
HA
No in-app purchases
