ServiceTests vs Duyarim
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ServiceTests
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ServiceTests is a complete hardware diagnostic tool that helps you quickly and accurately check the condition of every component on an iOS device. Perfect for repair shops, resellers, quality control (QC) teams, and anyone inspecting a device before buying or selling. Run a full diagnostic in minutes and get a clear PASS/FAIL result for each test β no guesswork, no ads. TESTS INCLUDED: β’ Display (LCD) β detect dead pixels, lines, and color issues β’ Touchscreen β check responsiveness and dead zones β’ Brightness / dimming β’ Camera β front and rear β’ Flash / torch β’ Loudspeaker β’ Earpiece β’ Microphone β record and play back β’ Vibration β’ NFC β tag reading β’ Bluetooth β scan and connect β’ Motion sensors β accelerometer and gyroscope β’ Location / GPS β signal and positioning β’ Wireless charging DEVICE INFO: β’ View detailed hardware specifications and battery status WHY SERVICETESTS: β’ Clean, fast, and intuitive interface β’ Clear pass/fail result for every test β’ Full diagnostic in just a few minutes β’ No ads β built to do one job well PRIVACY: Each test requests only the permission it needs (camera, microphone, Bluetooth, motion, location, NFC) solely to perform the hardware check. Your data stays on your device.
Duyarim
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DuyarΔ±m turns your phone into a live sound amplifier: the sound around you goes straight into your headphones, instantly and more clearly. The person across from you talks normally and you hear it the first time. WHAT IT DOES - Live amplification from 1.0x to 12.0x, adjustable while you are listening - Three levels - Normal, High and Maximum - and the loud ones are never entered by accident: the app asks for your explicit confirmation first - A safety limiter that is always on and cannot be switched off - Five audio route profiles: choose which microphone listens and where the sound is played - Keeps running in the background and with the screen locked - Stopping is always a single tap RECORDINGS THAT STAY ON YOUR DEVICE - Sessions you consent to record are listed with date, duration and size - Search, rename, trim and share - Recordings live on your device; delete the app and they go with it PRIVACY - No account, no sign-in, no sync - No AI and no server: all audio processing happens inside the phone - Neither the microphone stream nor your recordings travel over the network - The only network request asks whether your subscription is valid, and it carries no audio WHERE IT HELPS A conversation in a noisy cafe, a lecture from the back row, the television at a volume the rest of the room can live with, birds on a walk, an appointment you want to remember correctly. BEFORE YOU START Use headphones; the phone speaker can cause feedback. Start with the volume low and raise it gradually. Stop immediately if anything feels uncomfortable. Long sessions at the Maximum level can damage hearing. DuyarΔ±m is not a medical device and not a hearing aid. It does not diagnose, treat, cure or prevent any condition. Consult a qualified healthcare professional for hearing concerns. PLANS Live listening requires a paid plan; there is no free trial. Weekly USD 4.99, Monthly USD 12.99, or Lifetime USD 49.99 as a one-time purchase. Recordings already on your device stay accessible, playable and exportable without a plan. The two subscriptions are charged to your Apple Account at confirmation of purchase and renew automatically at the same price unless cancelled at least 24 hours before the end of the current period; manage or cancel them in your App Store subscription settings, since deleting the app does not cancel a subscription. Lifetime is paid once and does not renew. Prices are in US dollars, the store shows a local price for your country and taxes may be added. Terms of Use: https://duyarim.com/en/kullanim-sartlari Privacy Policy: https://duyarim.com/en/gizlilik-politikasi
Screenshots
Verdict
The clearest difference is in-app purchases: ServiceTests at none against Duyarim's 3. Duyarim's advantage is update cadence (every 2 days vs every 6 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.
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. Duyarim sells 3 in-app purchases, starting at $4.99 per 7 days. ServiceTests asks for nothing beyond the download.
ServiceTests ships an update every 6 weeks, Duyarim every 2 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | ServiceTests | Duyarim |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 2 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone | iPhone, iPod β better |
| Requires iOS | 17.0 | 15.0 β better |
| Further details β not scored | ||
| Size | 12 MB | 40 MB |
| Age rating | 4+ | +4 |
| Developer | Thanh Nguyen | Mustafa Demir |
In-app purchases
ServiceTests
No in-app purchases
Duyarim
- Weekly$4.997 Days
- Monthly$12.991 Month
- Lifetime$49.99
Questions
Is ServiceTests free?
Is Duyarim free?
Do ServiceTests or Duyarim have ads?
Which is updated more often, ServiceTests or Duyarim?
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