Comparison

9Tracking vs Noise Meter

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

Head to head
About

9Tracking

Features
Read full description

9Tracking is a fast, simple package tracker for checking parcels across 1,500+ couriers worldwide. Enter a tracking number to see the latest delivery status, carrier details, route, shipment timeline, and saved tracking history in one clean app. Track packages from major carriers including USPS, UPS, FedEx, DHL, EMS, TNT, Royal Mail, Yanwen, 4PX, China Post, and many other global couriers. Why use 9Tracking? - Track parcels across 1,500+ couriers - Auto-detect carriers from your tracking number - Check delivery status, transit progress, and latest scan - View full shipment timelines with locations and carrier events - Save tracking history locally on your device - Filter shipments by transit, delivered, and alert status - Reopen recent packages without creating an account - Follow international parcels, online orders, and cross-border deliveries 9Tracking is useful for online shoppers, small sellers, dropshipping orders, marketplace purchases, international mail, and anyone who wants a quick way to check where a package is. Just paste your tracking number, tap Track, and follow your shipment from dispatch to delivery.

About

Noise Meter

Features
Read full description

Noise Meter β€” Shusher turns your iPhone into a straightforward decibel meter for rooms, workspaces, cafΓ©s, and neighborhoods. WHAT YOU GET β€’ Live sound level with average, minimum, and maximum readings β€’ Clear noise bands (quiet to very loud) with bite-sized recommendations β€’ Timed measurements with an easy start/stop flow β€’ Results screen you can personalize with an optional test name β€’ Choose how your score is calculated: simple average or energy average (Leq) when noise varies β€’ Optional Shusher alerts when sound goes above your threshold HISTORY & SHARING β€’ Recent measurements saved in History for quick comparisons β€’ Share a tidy results graphic with friends or colleagues β€’ Premium: export measurements as CSV when you need a spreadsheet CUSTOMIZATION (PREMIUM) β€’ Extra measurement duration choices and richer history limits β€’ Session chart: noise level over time on the results screen β€’ Alternate color themes tuned for light and dark mode FREE VS PREMIUM Free includes core metering and history features; ads help support ongoing development and are removed when you unlock Premium (one-time purchase). PRIVACY The microphone is active only while you measure. You control language, theme, history length, and Shusher alert settings in Settings. LEGAL NOTE Educational and environmental awareness onlyβ€”not a calibrated instrument for OSHA, courtroom, or certified noise ordinances.

Screenshots

9Tracking3 screens
Noise Meter4 screens

Verdict

The call

The clearest difference is in-app purchases: 9Tracking at none against Noise Meter's 1. Noise Meter's advantage is update cadence (every 2 weeks vs every 21 months). On price, ads, device support and iOS requirement 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Noise Meter sells 1 one-off in-app purchase. 9Tracking asks for nothing beyond the download.

UpkeepUpdate frequency

9Tracking ships an update every 21 months, Noise Meter every 2 weeks. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard2 real differences Β· 4 level
9Tracking versus Noise Meter: the parameters behind the verdict, then further details
Parameter9TrackingNoise Meter
PriceFreeFree
Update frequencyEvery 21 monthsEvery 2 weeks β€” better
AdsYesYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 β€” better
Further details β€” not scored
Size44 MB46 MB
Age rating4+4+
DeveloperTrinh Ngoc LuongLior Zukman

In-app purchases

None

9Tracking

No in-app purchases

1 purchases

Noise Meter

One-time1
  • Premium β€” Noise Meter Shusher$1.99

Questions

Is 9Tracking free?
9Tracking is free to download, with no in-app purchases.
Is Noise Meter free?
Noise Meter is free to download, with in-app purchases available.
Do 9Tracking or Noise Meter have ads?
Both 9Tracking and Noise Meter show ads.
Which is updated more often, 9Tracking or Noise Meter?
9Tracking ships an update every 21 months, and Noise Meter every 2 weeks. Most recently, 9Tracking was updated on September 21, 2026 and Noise Meter on September 10, 2026.

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