Comparison

Vivaldi Powerful Web Browser vs Round Timer

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

Head to head
About

Vivaldi Powerful Web Browser

A powerful, private web browser designed for customization and control. It offers desktop-style tab management, built-in ad and tracker blockers, and sync capabilities across devices. Personalize your browsing experience with themes, wallpapers, and dark mode.

Highlights
  • Ad Blocker
  • Tracker Blocker
  • Desktop-like tabs
  • Encrypted Sync
  • Customizable Themes & Wallpapers
  • Dark Mode for Webpages
  • Notes & Bookmarks
Features
Read full description

Vivaldi Browser is a powerful, personal, and private web browser. It comes packed with built-in features including desktop-style tabs, an Ad Blocker, tracking protection. Designed to put you back in control. Trusted by millions of users across the world. FEATURES: - Ad Blocker: Browse with minimal distractions. - Tracker Blocker: Stay protected with leading privacy and security features. - Custom Wallpapers & Themes: Pick a theme and background that matches your style. - Dark Mode for all webpages: Force Dark Mode to every website you visit. - Desktop-like tabs: Efficiently manage multiple websites at once. - Encrypted Sync: Seamlessly sync data across your mobile and desktop devices. - Notes: Jot down thoughts and ideas while browsing. - Bookmarks: Organize your favorite sites effortlessly. - Reading Lists: Save articles for offline reading. - Custom App Icon: Personalize Vivaldi's appearance on your home screen. - Switch Search Engines: Choose your preferred search engine on the fly. POWERFUL Packed with flexible features, all built in. PERSONAL You make it your own, Vivaldi adapts to you. PRIVATE We don't track you, or your behavior. DESKTOP-LIKE TABS Bring the robust tab management from your desktop to your iOS device. Vivaldi on iOS features a unique Tab Bar akin to the desktop browser. To activate or deactivate the Tab Bar, head to Vivaldi menu > Settings, and tap on "Show Tab Bar" to toggle the setting. SYNC ACROSS DEVICES Never feel out of touch. Sync your data across devices with end-to-end encryption. From open tabs and saved logins to bookmarks and notes, everything is seamlessly available wherever you go. Add an extra layer of security with an encryption password. SET AS DEFAULT BROWSER Ready to make the switch? Set Vivaldi as your default browser and experience the web like never before. Here's how: Go to Settings, scroll down to Vivaldi, and select it as your Default Browser App. It's that simple! ABOUT VIVALDI With millions active users and a vibrant community of over 1.4 million members worldwide, Vivaldi is redefining what a web browser can be. At Vivaldi, we believe a browser should be powerful, personal, and private. With our unique philosophy of "respect, question, create, and deliver," we're crafting a browsing experience that adapts to you, not the other way around. Some of the links in this app are affiliate links. If you make a purchase through these links, we may earn a commission at no additional cost to you. This helps support the development of Vivaldi and keeps the web browser independent. Thank you for your support! By downloading Vivaldi, you are agreeing to the End User License Agreement at https://vivaldi.com/privacy/vivaldi-end-user-license-agreement/. Learn more about how Vivaldi handles and protects your data in our Privacy Policy at https://vivaldi.com/privacy/browser/.

About

Round Timer

Features
Read full description

自由にカスタマイズできるシンプルタイマー。 トレーニングや勉強、休憩時間の管理にぴったり! このアプリは、トレーニングや集中作業、休憩時間の管理を、あなたのスタイルに合わせて自由にカスタマイズできるタイマーです。 「タイマーの長さ」「ラウンド数」「休憩時間」を自分好みに設定できるので、たとえば以下のようなシーンで活躍します。 筋トレやインターバルトレーニング ポモドーロ・テクニックを使った勉強や仕事 ヨガやストレッチのポーズ切り替え お昼寝や休憩時間の管理 お子さまの集中時間のサポート など 操作はとてもかんたん。 設定してスタートするだけ。 各ラウンドや休憩のタイミングも音や振動でしっかりお知らせします。 画面を見なくても、今が「動く時間」か「休む時間」かがすぐに分かります。 黒を基調にしたスタイリッシュなデザインで、シンプルだけど使いやすい。 どんな場面にもすっとなじむ、ミニマルなタイマーです。 主な機能 タイマー時間・ラウンド数・休憩時間を自由に設定 各フェーズの開始・終了を音やバイブでお知らせ 視認性に優れたシンプル&洗練された黒ベースのUI こんな方におすすめ! 自宅での筋トレや運動を習慣にしたい方 勉強や作業の集中時間を管理したい方 シンプルでおしゃれなタイマーを探している方 自分のペースで生活リズムを整えたい方 毎日のルーティンに、ちょっとした「区切り」と「メリハリ」を。 あなたの時間を、あなたらしく使うための、新しいタイマーです。

Screenshots

Vivaldi Powerful Web Browser4 screens
Round Timer3 screens

Verdict

The call

The clearest difference is ads: Vivaldi Powerful Web Browser at none against Round Timer's shown. Vivaldi Powerful Web Browser also leads on update cadence (every 2 weeks vs every 2 months). Round Timer's advantage is iOS requirement (12.0 vs 18.0). On price, 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

Vivaldi Powerful Web Browser ships an update every 2 weeks, Round Timer every 2 months. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Vivaldi Powerful Web Browser versus Round Timer: the parameters behind the verdict, then further details
ParameterVivaldi Powerful Web BrowserRound Timer
PriceFreeFree
Rating4.7 (4.4K ratings) — better—
Positive reviews77.5% of reviews—
Number of ratings4.4K — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.012.0 — better
Further details — not scored
Size241 MB29 MB
Age rating17+4+
DeveloperVivaldi TechnologiesKeita Tateishi

Bugs and requests

Vivaldi Powerful Web Browser

Reported bugs

4 issues
  • Issues with ad blocker not working consistently
  • Problems with tab syncing between devices
  • Text input lag and delays
  • Forced review prompts

Requested features

6 requests
  • Option to move address bar and navigation buttons to the bottom of the screen
  • Ability to set custom search engines
  • Implement a reader mode
  • Add support for browser extensions
  • Improve tab closing/management gestures
Show 1 more
  • Provide more customization options

Round Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Vivaldi Powerful Web Browser

No in-app purchases

None

Round Timer

No in-app purchases

Questions

Is Vivaldi Powerful Web Browser free?
Vivaldi Powerful Web Browser is free to download, with no in-app purchases.
Is Round Timer free?
Round Timer is free to download, with no in-app purchases.
Do Vivaldi Powerful Web Browser or Round Timer have ads?
Round Timer shows ads; Vivaldi Powerful Web Browser does not.
Which is updated more often, Vivaldi Powerful Web Browser or Round Timer?
Vivaldi Powerful Web Browser ships an update every 2 weeks, and Round Timer every 2 months. Most recently, Vivaldi Powerful Web Browser was updated on September 25, 2026 and Round Timer on September 10, 2026.

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