Comparison

Safe In Sound vs TheoMeter

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

Head to head
About

Safe In Sound

Features
Read full description

SIMPLE HEARING PROTECTION Set a maximum volume limit, lock it with a passcode, and protect your hearing across all audio - music, videos and games. KEY FEATURES โ€ข Volume Limits - Set a safe maximum that works system-wide โ€ข Passcode Lock - Settings can't be changed without authorization โ€ข Face ID Support - Quick, secure access when you need it โ€ข Visual Indicators - Green/yellow/red zones show safe listening levels โ€ข Background Protection - Works continuously, even when app is closed โ€ข Haptic Alerts - Gentle warnings when reaching your limit PERFECT FOR Parents: Protect kids' hearing without constant supervision Everyone: Prevent permanent hearing damage from loud audio Health-Conscious: Follow WHO safe listening guidelines HOW IT WORKS 1. Set your safe maximum volume (we recommend 50-70%) 2. Create a passcode to secure your settings 3. Lock protection on - your volume stays safe automatically Green - 0-60% Yellow - 61-85% Red - 86-100% โ€ข Works offline โ€ข Settings stored securely on your device Terms of Use: https://safeinsound.app/termsofuse.html

About

TheoMeter

Features
Read full description

TheoMeter helps you monitor sound levels, view live frequency spectrum activity, and document setup conditions from your iPhone. Designed for public-event and auditorium sound checks, TheoMeter combines a live dB meter with spectrum analysis tools, photo documentation, saved sessions, and exportable data. Use it to quickly understand room noise, monitor target levels, track peaks, and capture setup photos with optional dB overlays. Features include: -Live sound level meter with dBA, dBC, and dBZ weighting -Real-time frequency spectrum display -RTA bars, spline, and spectrogram views -Dominant frequency and selected band tracking -Fast, slow, and impulse response options -Leq, average, max, peak, and session duration stats -Dosimeter-style noise exposure view -Camera mode with sound-level overlay and filters -Save and export session data -Calibration offset controls -Clean navy, yellow, and white professional interface TheoMeter is ideal for sound technicians, event volunteers, venue setup teams, educators, presenters, and anyone who needs a clear view of sound levels and frequency behavior in a room. Note: TheoMeter uses the iPhone microphone for practical sound analysis. For compliance-grade measurements, use a professionally calibrated sound level meter.

Screenshots

Safe In Sound4 screens
TheoMeter4 screens

Verdict

The call

The clearest difference is in-app purchases: TheoMeter at none against Safe In Sound's 3. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Safe In Sound sells 3 in-app purchases, starting at $2.99 per month. TheoMeter asks for nothing beyond the download.

Scorecard1 real difference ยท 5 level
Safe In Sound versus TheoMeter: the parameters behind the verdict, then further details
ParameterSafe In SoundTheoMeter
PriceFreeFree
Update frequencyEvery 6 weeksโ€”
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 โ€” better
Further details โ€” not scored
Size35 MB2 MB
Age rating4+4+
DeveloperShane SpillmanFrankie Wellman

In-app purchases

3 purchases

Safe In Sound

Subscriptions2
  • Safe In Sound Monthly$2.991 Month
  • Safe In Sound Yearly$12.991 Year
One-time1
  • Safe In Sound Lifetime$24.99
None

TheoMeter

No in-app purchases

Questions

Is Safe In Sound free?
Safe In Sound is free to download, with in-app purchases available.
Is TheoMeter free?
TheoMeter is free to download, with no in-app purchases.
Do Safe In Sound or TheoMeter have ads?
Neither Safe In Sound nor TheoMeter shows ads.

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