# FlutterTime Timezone Converter vs UnderCoverApp

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | FlutterTime Timezone Converter | UnderCoverApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (21 ratings)](https://appshunter.io/ios/app/fluttertime-timezone-converter/id6740316879/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 3 MB | 73 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DBElement, LLC](https://appshunter.io/developer/292400771) | [ADK Technology LLC](https://appshunter.io/developer/1781005245) |

## What reviewers say

### FlutterTime Timezone Converter

[App page](https://appshunter.io/ios/app/fluttertime-timezone-converter/id6740316879)

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:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### UnderCoverApp

[App page](https://appshunter.io/ios/app/undercoverapp/id6757808080)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*