DT Agent vs Hearing Aid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DT Agent
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DT Agent is an acoustic measurement app developed by Hangzhou Elite, designed specifically for professional acoustic testing. When used with the company’s USB measurement microphone, it enables accurate measurement of room reverberation time, sound pressure level (SPL), frequency spectrum, and STIPA (Speech Transmission Index for Public Address Systems).
Hearing Aid
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Turn your iPhone into a portable listening assistant with headphones. Capture ambient sound in real‑time, amplify human voices and reduce annoying background noise. The built‑in hearing test helps you adjust to a comfortable sound‑boost level. Main Features Real‑time microphone sound amplification Intelligent background noise reduction Quick hearing comfort test Customizable volume and sound gain Compatible with wired and Bluetooth headphones Simple interface for conversations, meetings, watching TV and daily scenarios *Important Disclaimer* This app is an audio‑amplification tool only. It is NOT a medical hearing‑aid device and cannot diagnose or treat hearing loss. The in‑app hearing test is for reference only and does not replace a professional medical hearing examination. If you have long‑term hearing problems, please consult an audiologist or ENT doctor. Subscription Terms $4.99 / Week,$8.99 / Month,$49.99 / Year Payment will be charged to your Apple‑ID at purchase confirmation. Subscription auto‑renews unless cancelled at least 24‑hours before the end of the current period. You may cancel your subscription anytime in your Apple‑ID settings. Privacy Policy: https://share.note.youdao.com/s/MlwyVFP Terms of Service: https://share.note.youdao.com/s/KhEQwOj3
Screenshots
Verdict
The clearest difference is in-app purchases: DT Agent at none against Hearing Aid's 2. DT Agent also leads on iOS requirement (13.0 vs 17.0). On price, ads 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. Hearing Aid sells 2 in-app purchases, starting at $9.99 per 7 days. DT Agent asks for nothing beyond the download.
| Parameter | DT Agent | Hearing Aid |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 37 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Elite Digital Technology Co., Ltd. | 国庆 张 |
In-app purchases
DT Agent
No in-app purchases
Hearing Aid
- One Week VIP3 Days trial$9.997 Days
- One Year VIP3 Days trial$34.991 Year









