Comparison

FlutterTime Timezone Converter vs UnderCoverApp

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

Head to head
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
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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.

About

UnderCoverApp

Features
Read full description

Scaffolding Navigator is the fastest way to locate, plan, and visit scaffolding and sidewalk shed sites across New York City Built for people who spend their day on the move, it turns hours of guesswork into an optimized route you can follow site by site.

Screenshots

FlutterTime Timezone Converter4 screens
UnderCoverApp4 screens

Verdict

The call

The clearest difference is update cadence: FlutterTime Timezone Converter at fortnightly against UnderCoverApp's every 6 weeks. UnderCoverApp's advantage is iOS requirement (15.1 vs 18.0). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FlutterTime Timezone Converter ships an update fortnightly, UnderCoverApp every 6 weeks. The most recent releases landed on September 2, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
FlutterTime Timezone Converter versus UnderCoverApp: the parameters behind the verdict, then further details
ParameterFlutterTime Timezone ConverterUnderCoverApp
PriceFreeFree
Rating4.9 (21 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings21 — better—
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size3 MB73 MB
Age rating4+4+
DeveloperDBElement, LLCADK Technology LLC

In-app purchases

None

FlutterTime Timezone Converter

No in-app purchases

None

UnderCoverApp

No in-app purchases

Questions

Is FlutterTime Timezone Converter free?
FlutterTime Timezone Converter is free to download, with no in-app purchases.
Is UnderCoverApp free?
UnderCoverApp is free to download, with no in-app purchases.
Do FlutterTime Timezone Converter or UnderCoverApp have ads?
Neither FlutterTime Timezone Converter nor UnderCoverApp shows ads.
Which is updated more often, FlutterTime Timezone Converter or UnderCoverApp?
FlutterTime Timezone Converter ships an update fortnightly, and UnderCoverApp every 6 weeks. Most recently, FlutterTime Timezone Converter was updated on September 2, 2026 and UnderCoverApp on September 8, 2026.

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