Opal vs Tudou To do
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Opal
This app helps you regain control of your digital life by limiting app usage, blocking distractions, and improving focus. It provides tools and insights to reduce screen time, boost productivity, and enhance well-being.
- Screen time control
- App blocker
- Set app limits
- Focus modes
- Productivity reports
- Block apps and websites
- Mindful block screens
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Achieve screen time control with the world’s most-loved screen time app! Opal is the fun, free Screen Time app to improve your focus and make the most out of every day. 5 to 6 hours. That’s the average time you’ll spend looking at your phone today, often without realizing it. It's time to fight back. With a combination of screen time control, app limits, app blockers, real time data, leaderboards and rewards, you will focus better and accomplish your dreams, just like Opal’s members. **As of August 2026, Opal has saved humanity 500 Million hours of screen time. ** Many of the world's top teams and companies trust Opal to help protect their focus. You can too. **Opal cut my screen time by 2 hours per day – Marketing at Google ** **You need this app. When I first got opal my daily screen-time was about 8 1/2 hours a day. Now it's 1 hour. ** **Opal has become an indispensable tool in my quest for productivity and mindful technology usage ** **Get Opal! - Ali Abdaal, productivity expert** BENEFITS Save 1 hour and 23 minutes per DAY from less screen time, on average. 94% of Opal members are less distracted 93% are more productive thanks to the app 90% report improved well-being Added benefits: - Better screen time control - Better productivity at work - Reduce stress, be more mindful - Supports focus challenges, including ADHD - Set daily work hours, sleep, and routines - Block apps to unplug and detox - Stay in focus when you need it most - You're happy and in control of your screen time FEATURES - #1 Screen Time Control: the most loved app for screen time control with 4.8/5. - #1 App Blocker: Instantly Block apps and websites you choose at a specific time of day throughout the week to organize your time. - Focus Difficulty: Make it hard, or make it a bit easier. Deep Focus won't let you cancel or bypass at all. - App Limits: Set daily usage limits on apps and websites to automatically block them and prevent overuse. - Mindful Block Screens: Discover quotes, puns and more every time you try to open an app or website you really shoudn't. - Blocklist & Allowlist: Easily pick any app, game or website you want to block or allow during your Blocks. - Focus Report: Measure your progress with clear metrics, actionable screen time stats, and benchmark against your peers. - Focus Score: Check your screen time and focus level at any point easily spotting Focus and Distracted time. - Calendar: Set daily working hours, sleep and routines, block apps automatically, so you don’t have to remember. - Precious Rewards: Unlock unique MileStones you can share with friends. - Leaderboard: Challenge friends to top the leaderboard, enhancing productivity, focus and keeping each other motivated. - Breaks: Choose the app you want to use, write your intention, and set a timer. - Focus Mode Integration: Sync your Opal Focus Sessions with iPhone Focus Mode to block apps. - Shortcut Integration: Connect iPhone shortcut automations to start/stop Focus Sessions based on app opens, time, location and more! - Focus Reminders: Get timely reminder notifications when you get distracted or reach a time limit. - Deep Focus: Need ultimate focus? Deep Focus is the maximum level of protection — you can’t bypass or cancel. - More Fun: Opal is guilt-free and fun. - Widget: Have Opal on your home screen! CREATE A PERSONALIZED APP BLOCK LIST Easily pick any app, game or website you want to block or allow to Block Apps. PRIVATE & SAFE We use Apple's Screen Time API in order to monitor and block apps you use. Installation is easy and takes a few seconds on your iPhone. Unlike most apps, Opal works entirely on your phone and personal browsing data never leaves your device. TERMS, PRIVACY & CONDITIONS Read on https://opal.so/terms & https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Tudou To do
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Tudou is a calm, focused daily companion for people who want to stay on top of their habits, understand their mood over time, and get things done. DAILY LOG Add tasks for today, this week, this month, or set hard deadlines. Check them off as you go, attach photos, and reorder your list by drag-and-drop. A built-in mood slider lets you record how you're feeling at any point in the day — with customizable emoji markers that match your personal scale. STATS & STREAKS See your progress at a glance. Track your daily completion rate, current streak, average mood score, and a 7-day heatmap so you can spot patterns in your week. Sign in to unlock full history, per-task streaks, and category breakdowns. FOCUS TOOLS Two built-in timers for when you need to get serious: • Pomodoro — 25-minute focused work sprints with 5-minute breaks. After 4 rounds, take a long break. • Intervals — fully customizable work/rest rounds for Tabata, HIIT, or any timed routine. JOURNAL Capture thoughts alongside your daily tasks, all in one place. Simple. Minimal. Yours.
Screenshots
Verdict
The clearest difference is in-app purchases: Tudou To do at none against Opal's 18. Tudou To do also leads on iOS requirement (15.1 vs 18.0). Opal's advantage is chart position (#44 vs unranked). On price, update cadence, ads 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
Both are free to download. Opal sells 13 in-app purchases, starting at $4.99 per 7 days. Tudou To do asks for nothing beyond the download.
Opal ships an update every 5 days, Tudou To do every 3 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | Opal | Tudou To do |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (90K ratings) — better | — |
| Positive reviews | 61.5% of reviews | — |
| Number of ratings | 90K — better | — |
| Update frequency | Every 5 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #44 — better | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 306 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Opal OS | Nostalgic Studio, LLC |
Bugs and requests
Opal
Reported bugs
4 issues- Blocks apps that are not selected
- Inconsistent behavior when ending focus sessions
- Crashes when trying to manage blocked apps
- VPN issues causing other connectivity problems
Requested features
5 requests- Allow more customization of blocked apps
- Integrate with more productivity tools
- Provide more granular time tracking and reporting
- Offer a one-time purchase option
- Improve stability and reduce bugs
Tudou To do
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Opal
- Weekly Plan3 Days trial$4.997 Days
- Weekly Plan3 Days trial$9.997 Days
- Opal Student Weekly3 Days trial$9.997 Days
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- Monthly Plan3 Days trial2 variants$19.991 Month
- Monthly Plan7 Days trial$19.991 Month
- Opal Pro Subscription7 Days trial$49.991 Year
- Yearly Plan7 Days trial$69.991 Year
- Yearly Plan7 Days trial$89.991 Year
- Yearly Plan7 Days trial2 variants$99.991 Year
- Yearly Plan1 Month trial2 variants$99.991 Year
- Opal Pro Yearly$99.991 Year
- Yearly Plan7 Days trial$129.991 Year
- Yearly Plan7 Days trial$179.991 Year
Tudou To do
No in-app purchases









