Comparison

Detect Hidden Device vs Spy Hearing

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Detect Hidden Device

Features
Read full description

Detect Hidden Device Instant Scan Stay Secure Protect your privacy with Detect Hidden Device. Quickly find hidden cameras, microphones, and trackers in any room. Stay safe in hotels, rentals, or public spaces with fast and accurate detection. Detect Hidden Device uses advanced signal and lens scanning technology to locate potential spying devices. The app analyses nearby signals and reflections to help you identify suspicious equipment in seconds. Whether you’re travelling or at home, ensure your personal space remains private. Features: - Detect hidden cameras and microphones - Use lens reflection and signal scanning modes - Receive instant alerts for potential devices - Simple, fast, and reliable scanning - Works anywhere - hotels, rentals, offices - Designed for privacy and security SUPPORT - Contact: https://www.muchadostudio.com/contact THIS APP REQUIRES A SUBSCRIPTION TO ACCESS CERTAIN FEATURES - Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Spy Hearing

Amplify distant sounds and record audio with your phone. This tool offers enhanced listening capabilities with various EQ presets and acoustic space options. It processes audio on-device for privacy and works with multiple headphone types.

Highlights
  • Up to 16x audio amplification
  • 5 tuned EQ presets
  • 9 acoustic space settings
  • Background recording
  • Noise cancellation
  • 8-band parametric EQ
Features
Read full description

Hear what others can't. Spy Hearing turns your iPhone into a long-range listening device. Amplify distant voices, pull muffled audio through walls and doors, and record every session — all from your headphones, on a phone you already carry. Whether you're a curious investigator, a journalist capturing interviews, or someone with mild hearing difficulty who wants extra clarity, Spy Hearing puts professional-grade audio control in your pocket. KEY FEATURES • Up to ×16 amplification through your headphones • 5 tuned EQ presets — Long Range, Through Walls, Whisper, Bass, Custom • 9 acoustic Spaces from Small Room to Cathedral • Independent stereo balance for one-ear listening • Background recording — capture audio with the screen off • Noise cancel for indoor conversations • 8-band parametric EQ with manual control WORKS WITH AirPods, AirPods Pro, AirPods Max, wired EarPods, third-party Bluetooth headsets, AirPlay receivers — any audio output your iPhone can route to. PRIVACY-FIRST Your audio is processed entirely on your device. We do not run servers that receive your audio. We do not collect personal data, embed analytics SDKs, or track you. No accounts. No sign-in. No tracking pixels. PRO ACCESS — PRICING & TERMS • Weekly subscription with a 3-day free trial. After the trial ends, the subscription renews automatically each week at the price displayed in the app and in App Store Connect. Cancel anytime in Settings → [your name] → Subscriptions at least 24 hours before the period ends to avoid renewal. • Lifetime — a single one-time non-consumable purchase. No trial. No recurring charges. Yours forever. Payment is charged to your Apple ID at confirmation of purchase. Subscription auto-renewal can be turned off in iOS Settings. Refunds are handled by Apple at https://reportaproblem.apple.com. SUBSCRIPTION REQUIRED Spy Hearing requires an active subscription or a one-time lifetime purchase to use. There is no free tier. Choose between a 3-day free trial that converts to a weekly auto-renewing subscription, or a single lifetime purchase with no recurring charges. IMPORTANT Spy Hearing is an entertainment and personal-use audio amplification tool. It is not a hearing aid, not a medical device, and not registered with the FDA, EMA, or any other regulator. For hearing concerns, consult a licensed audiologist. You are responsible for complying with the laws of your jurisdiction regarding microphone use, audio recording, and consent. Recording without consent may be a serious offense in your area. Headphones are required for the best experience. Without them the microphone picks up the speaker output and creates feedback. Privacy Policy: https://docs.google.com/document/d/162eu7hM3lMA9uxrXoFx83Fu1Ia_-F0aGA_XbP18uyA0/ Terms of Use: https://docs.google.com/document/d/1yx-SP0V9sydnA5gZfu45RN_lJZYvW6EI9LWTaw5XXZg/ Support: aistemsolutions@gmail.com

Screenshots

Detect Hidden Device4 screens
Spy Hearing4 screens

Verdict

The call

The clearest difference is update cadence: Spy Hearing at every 3 weeks against Detect Hidden Device's every 3 months. Detect Hidden Device's advantage is iOS requirement (12.0 vs 17.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Detect Hidden Device sells 2 in-app purchases, starting at $2.99 per 7 days and Spy Hearing sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Detect Hidden Device ships an update every 3 months, Spy Hearing every 3 weeks. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
Detect Hidden Device versus Spy Hearing: the parameters behind the verdict, then further details
ParameterDetect Hidden DeviceSpy Hearing
PriceFreeFree
Rating—4.9 (45 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—45 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Subscription
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size60 MB4 MB
Age rating4+4+
DeveloperThomas StrathernMuhammad Ajmal

In-app purchases

2 purchases

Detect Hidden Device

Subscriptions2
  • Premium Weekly Trial3 Days trial$2.997 Days
  • Premium Yearly$29.991 Year
2 purchases

Spy Hearing

Subscriptions1
  • Weekly3 Days trial$4.997 Days
One-time1
  • Lifetime$19.99

Questions

Is Detect Hidden Device free?
Detect Hidden Device is free to download, with in-app purchases available.
Is Spy Hearing free?
Spy Hearing is free to download, with in-app purchases available.
Do Detect Hidden Device or Spy Hearing have ads?
Neither Detect Hidden Device nor Spy Hearing shows ads.
Which is updated more often, Detect Hidden Device or Spy Hearing?
Detect Hidden Device ships an update every 3 months, and Spy Hearing every 3 weeks. Most recently, Detect Hidden Device was updated on September 19, 2026 and Spy Hearing on September 10, 2026.

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