Comparison

GPS Astro vs Noise Log dB Meter

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

Head to head
About

GPS Astro

This utility app calculates astronomical events like sunrise, sunset, moonrise, and moonset. It supports current or selected locations and displays moon phases and twilight times. Users can save multiple locations and sync events to their calendar.

Highlights
  • Sunrise/sunset times
  • Moonrise/moonset times
  • Moon phases
  • Twilight times
  • Save multiple locations
  • Calendar sync
Features
Read full description

GPS Astro is a utility for the iPhone, iPad and iPod Touch that calculates predicted sunrise, sunset, moonrise, moonset times, moon phases as well as civil, nautical and astronomical twilight depending on your current GPS location or for a selected location. Features: • Save multiple locations • Calendarsync of upcoming moon phases and single moon events • Timezone selection • iPad Split View Support

About

Noise Log dB Meter

This app helps you document noise disturbances with detailed logs. Record sound levels, timestamps, locations, and attach media evidence for clear, chronological documentation. Ideal for neighborhood noise, construction, or event disturbances.

Highlights
  • Real-time decibel measurement
  • Automatic timestamps
  • GPS location recording
  • Photo, audio, and video documentation
  • Structured chronological logs
  • Export reports as PDF or ZIP
Features
Read full description

Noise Log is a professional app designed to document noise incidents in a structured and reliable way. It helps affected residents, experts and authorities record disturbances clearly and chronologically. With the integrated decibel measurement you can capture sound levels directly and store them together with timestamps, location data and media evidence. The app is especially useful when clear documentation is required, for example in cases of neighborhood noise, construction work, events or recurring disturbances. Main features Real-time decibel measurement Automatic timestamps for every entry GPS location recording Photo, audio and video documentation Structured chronological logs Export reports as PDF or ZIP files Privacy and control All data is stored locally on your device. No cloud account is required, giving you full control over your recordings. Typical use cases Documenting neighborhood noise Recording disturbances from construction sites or events Supporting complaints or expert reports Providing documentation for authorities or property management The app is optimized for iPhone and focuses on fast and reliable documentation of noise incidents. Note This app does not replace certified sound measuring devices. It supports documentation and orientation.

Screenshots

GPS Astro4 screens
Noise Log dB Meter4 screens

Verdict

The call

The clearest difference is monetization model: GPS Astro at free against Noise Log dB Meter's paid. GPS Astro also leads on update cadence (monthly vs every 3 months) and iOS requirement (9.0 vs 13.0). 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

GPS Astro costs $0.99 and Noise Log dB Meter $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GPS Astro ships an update monthly, Noise Log dB Meter every 3 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
GPS Astro versus Noise Log dB Meter: the parameters behind the verdict, then further details
ParameterGPS AstroNoise Log dB Meter
Price$0.99$0.99
Rating4.8 (122 ratings) — better—
Positive reviews83.0% of reviews—
Number of ratings122 — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size54 MB25 MB
Age rating4+4+
DeveloperEsirion AGDaniel Ovadia

Bugs and requests

GPS Astro

Reported bugs

5 issues
  • 🐛 Moon rise/set times off by an hour
  • 🐛 Cannot change language from German to English
  • 🐛 Cannot change location in iOS 10
  • 🐛 Requires location access even when app is not running
  • 🐛 Moon phases rendered approximately, not true representation

Requested features

4 requests
  • 💡 More accurate moon rendering
  • 💡 Monthly/yearly view
  • 💡 Improved interface for dates and locations
  • 💡 True moon phase representation

Noise Log dB Meter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

GPS Astro

No in-app purchases

None

Noise Log dB Meter

No in-app purchases

Questions

Is GPS Astro free?
GPS Astro costs $0.99, with no in-app purchases.
Is Noise Log dB Meter free?
Noise Log dB Meter costs $0.99, with no in-app purchases.
Do GPS Astro or Noise Log dB Meter have ads?
Neither GPS Astro nor Noise Log dB Meter shows ads.
Which is updated more often, GPS Astro or Noise Log dB Meter?
GPS Astro ships an update monthly, and Noise Log dB Meter every 3 months. Most recently, GPS Astro was updated on November 1, 2026 and Noise Log dB Meter on October 30, 2026.

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