LDM STUDIO_EN vs Mileseey Optics
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
Mileseey Optics
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Mileseey Optics is the companion app for compatible Mileseey optical devices, including the IONJET 8 rangefinder and TNV 60 Pro thermal imaging device. Connect and manage your devices from one convenient app. Access ranging tools, ballistic calculations, maps, thermal previews, device settings, captured media, and more. Key features: - Add, connect, manage, and monitor compatible Mileseey devices - View distance measurements, sensor data, battery status, and connection status - Create and manage ballistic profiles - Calculate ballistic compensation using distance and environmental data - Browse an expanded offline ammunition and projectile library - Plot measured targets on the map and search for locations - Use guided compass calibration for improved directional accuracy - Access live thermal imaging previews from compatible devices - Adjust supported thermal image settings, including brightness and contrast - View and manage photos and videos captured with your thermal device - Install supported device firmware updates - Export diagnostic logs and submit feedback when assistance is needed - Choose from multiple languages and light or dark themes Whether you are preparing equipment, reviewing measurements, calculating a ballistic solution, or managing thermal media in the field, Mileseey Optics keeps your essential device tools together in one place. Available features vary by device model. Bluetooth, Wi-Fi, local network, location, and motion permissions may be required for certain functions.
Screenshots
Verdict
The clearest difference is update cadence: LDM STUDIO_EN at every 5 weeks against Mileseey Optics's every 10 months. LDM STUDIO_EN also leads on iOS requirement (12.0 vs 15.0). 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.
LDM STUDIO_EN ships an update every 5 weeks, Mileseey Optics every 10 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | LDM STUDIO_EN | Mileseey Optics |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 25 MB | 184 MB |
| Age rating | 4+ | 17+ |
| Developer | 刚 何 | SHENZHEN MILESEEY TECHNOLOGY CO.LTD |
In-app purchases
LDM STUDIO_EN
No in-app purchases
Mileseey Optics
No in-app purchases









