FocusIR vs Acoustic Link
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
FocusIR
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New FeaturesοΌ 1. Industry cases: Supports viewing of infrared thermal imager application scenarios and equipment recommendations; 2. Equipment details: Supports viewing of detailed parameters of thermal imagers and equipment comparison; 3. Supports remote connection of equipment for real-time preview, offline image analysis, cloud storage and other functions.
Acoustic Link
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Acoustic Link is a mobile application specifically designed for acoustic imaging devices, helping users achieve convenient and efficient detection operations and data management on mobile devices. Through quick WiFi connection with acoustic imaging devices, users can directly view acoustic images, videos, and detection reports captured by the devices on their smartphones, truly realizing mobile operations and instant information access. Wireless Connection, Rapid Synchronization Supports stable connection with acoustic imaging devices through WiFi, providing flexible on-site operations. No need to carry a computer to complete photography, video recording, and browsing. Photo, Video, and Report Viewing Easily browse high-resolution photos, videos, and test reports captured by acoustic imaging devices. Content is complete and intuitive, facilitating fault analysis and record retention. Local Download and Quick Sharing One-click download of detection results to local phone storage, supporting quick sharing to colleagues or clients through social software, email, and other methods, enhancing team collaboration efficiency. Remote Real-time Viewing and Control Supports real-time viewing of acoustic imaging device screens and remote control of device photography and parameter settings, meeting remote operation requirements in complex environments. Acoustic Link combines the professional capabilities of acoustic detection with the convenient experience of mobile devices, allowing you to grasp key detection information anytime, anywhere. It is the ideal companion for acoustic imaging device users.
Screenshots
Verdict
FocusIR and Acoustic Link are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
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. Both last shipped on October 30, 2026.
| Parameter | FocusIR | Acoustic Link |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 13 | 13.0 |
| Further details β not scored | ||
| Size | 181 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Wuhan Guide Infrared Co.,Ltd. | Hangzhou Crysound Electronics Co., Ltd. |
In-app purchases
FocusIR
No in-app purchases
Acoustic Link
No in-app purchases









