Comparison

Sonify vs FlutterTime Timezone Converter

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

Head to head
About

Sonify

Measure and record environmental noise levels with this sound meter app. It displays real-time decibel readings with audio visualization and historical graphs. You can also record and play back audio clips directly within the application.

Highlights
  • Ad-Free Experience
  • Real-time Decibel Visualization
  • Historical Decibel Graph
  • Audio Recording & Playback
  • Noise Level References
  • Dark Mode
Read full description

Curious how loud your neighbour’s party is, or want to record an interesting sound? Sonify is a sound meter that can measure and record environmental noise using the built-in microphone on your device. Decibel readings are shown in real-time through an audio visualization and plotted on a historical graph. Your audio recordings are automatically saved and can be played back within the app! Note: Please remember decibel readings may differ on each device. The built-in microphone is adjusted to your voice and may not be accurate until it’s calibrated. Decibel values over 90+ may not be recognised on some devices due to hardware limitations. Features - Ad-Free Experience - Simple, Elegant & Appealing - Decibel Visualization - Historical Decibel Reading Graph - Noise Level References - Audio Recording - Playback, Rename & Share - Easy Screenshot Button - Dark Mode

About

FlutterTime Timezone Converter

Effortlessly manage global time zones with a visual timeline. This app simplifies scheduling for remote teams and travelers by showing time differences and availability at a glance. It offers precise time zone support and customizable labels without ads or tracking.

Highlights
  • Visual timeline for time zone alignment
  • At-a-glance status indicators
  • Support for unlimited locations
  • UTC, GMT, and Military (Zulu) time
  • Customizable clock labels
  • Dark Mode and Liquid Glass design
Features
Read full description

Scheduling calls across timezones is frustrating. It's especially difficult if you are traveling or working with someone remote. Having family across timezones compounds the issue. FlutterTime allows you to add your cities, then move forward and back in time across timezones using an intuitive timeline. It's simple clean, and tackles one problem without extra bloat. No more Googling "PST to London time" or second-guessing meeting starts. Just a smooth, elegant interface that stays out of your way. DESIGNED FOR CLARITY • Gliding Timeline: Scroll forward or backward to instantly see how hours align across multiple cities. • At-A-Glance Status: Visual indicators show you who is sleeping, who is working, and where the "sweet spot" for a meeting lies. • True Minimalism: No ads, no tracking, no clutter, and no unnecessary permissions. Just the time you need, exactly when you need it. POWERFUL UTILITY • Unlimited Locations: Track as many cities as you need—from New York to Tokyo. • Technical Precision: Includes support for UTC, GMT, and Military (Zulu) time for pilots and developers. • Custom Labels: Rename your clocks. Tag a location as "Home," "HQ," or "Dev Team." • Beautiful Aesthetics: Fully optimized for Dark Mode with a Liquid Glass design that feels native to your iPhone. PERFECT FOR • Remote Teams: Find the perfect overlap for Zoom or Slack calls without the back-and-forth. • Digital Nomads: Plan your next flight or travel itinerary with confidence. • Finance & Trading: Keep track of market opening hours across London, New York, and Hong Kong. • Aviation: Quick access to UTC/Zulu time for flight planning. Download FlutterTime today and master your world clock.

Screenshots

Sonify4 screens
FlutterTime Timezone Converter4 screens

Verdict

The call

The clearest difference is update cadence: FlutterTime Timezone Converter at fortnightly against Sonify's every 25 months. FlutterTime Timezone Converter also leads on ratings volume (21 vs 2) and device support (4 vs 1). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Sonify against 4.9 for FlutterTime Timezone Converter. That said, the two scores are not equally well evidenced: FlutterTime Timezone Converter has 21 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Sonify ships an update every 25 months, FlutterTime Timezone Converter fortnightly. The most recent releases landed on June 5, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 7 level
Sonify versus FlutterTime Timezone Converter: the parameters behind the verdict, then further details
ParameterSonifyFlutterTime Timezone Converter
PriceFreeFree
Rating5.0 (2 ratings) — better4.9 (21 ratings)
Positive reviews—88.9% of reviews
Number of ratings221 — better
Update frequencyEvery 25 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, Mac, Apple Watch — better
Requires iOS18.018.0
Further details — not scored
Size13 MB3 MB
Age rating4+4+
DeveloperCODECLOUDS IT SOLUTIONS PRIVATE LIMITEDDBElement, LLC

Customer experience

Sonify

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

FlutterTime Timezone Converter

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

In-app purchases

None

Sonify

No in-app purchases

None

FlutterTime Timezone Converter

No in-app purchases

Questions

Is Sonify free?
Sonify is free to download, with no in-app purchases.
Is FlutterTime Timezone Converter free?
FlutterTime Timezone Converter is free to download, with no in-app purchases.
Which has better reviews, Sonify or FlutterTime Timezone Converter?
Sonify is rated higher. Sonify averages 5.0 out of 5 from 2 ratings, while FlutterTime Timezone Converter averages 4.9 from 21 ratings.
Do Sonify or FlutterTime Timezone Converter have ads?
Neither Sonify nor FlutterTime Timezone Converter shows ads.
Which is updated more often, Sonify or FlutterTime Timezone Converter?
Sonify ships an update every 25 months, and FlutterTime Timezone Converter fortnightly. Most recently, Sonify was updated on June 5, 2026 and FlutterTime Timezone Converter on September 15, 2026.

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