Opus One vs Solid Planner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Opus One
This app helps you manage tasks and notes with a paperlike interface. Organize your day with daily task lists, schedules, and notes, and use a master task section to capture all your to-dos. Features include drag-and-drop reordering, event integration, and customizable notes.
- Master Task section
- Daily Task lists with status, priority, and notes
- Daily Schedule and Event integration
- Daily Notes with customizable text formatting
- Drag and drop task reordering
- Cloud synchronization
- Sketch drawing canvas
Read full descriptionHide full description
Opus One is a real day planner, not another to-do app. Each day gets its own page — tasks with A/B/C priorities, your schedule, and notes — on a planner that looks and feels like paper. Plan on iPhone, iPad, and Mac, and it all stays in sync. YOUR DAY ON ONE PAGE • Daily Tasks with A/B/C priorities, status, notes, and alarms. • A schedule that shows your Calendar events alongside your tasks. • Drag a task onto the schedule — with task durations, the end time fills in automatically. • Daily Notes with photos, PDFs, checklists, and audio. • Today's weather and a daily quote, right on the page. PLAN BEYOND TODAY • Master Tasks: everything on your mind in one list, no due date required. • Goals with timelines, photos, and progress you can see. • Roles: review the areas of your life each week so nothing important gets crowded out. • Mission, Values, and Vision pages to keep the big picture one tap away. • Meeting Planner for agendas, decisions, and next steps. NOTES AND JOURNALS • Rich notes with fonts, colors, tags, and your own custom sections. • Sketch and handwrite with Apple Pencil. • Journals with 25 covers to choose from, plus a guided Gratitude Journal. IT GOES WHERE YOU GO • Home Screen widgets for today's tasks, your mission, your values, and daily quotes. • Live Activities keep today's tasks on your Lock Screen. • Add a task from Control Center, or ask Siri. • Apple Watch app to see your day and check off tasks from your wrist. • iCloud sync across iPhone, iPad, and Mac. MAKE IT YOURS • Planner themes, including seasonal ones. • Task-complete sounds and rewards for finishing what you planned. • Color-coded categories and repeating rules with advanced options. OPUS ONE PRO The core planner is free. Opus One Pro adds cloud sync across all your devices, weather, attachments (images, PDFs, audio), Apple Pencil sketching, categories, repeating rules, Goals, Siri, and themes. One subscription covers iPhone, iPad, and Mac on the same iCloud account. Available yearly or monthly. Subscription details: Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel in your Account Settings. Privacy Policy: https://piso13.com/privacy-policy-2/ Terms of Service: https://piso13.com/terms-of-service/
Solid Planner
This app helps you plan your day with a simple timer and agenda. It offers an AI review of your week, providing stats and insights to help you achieve your goals. Purchase it once to own it forever.
- Daily timer with task management
- Goal pursuit tracking
- AI weekly review and stats
- One-time purchase, no subscriptions
- Cross-device support (Mac, iPhone, iPad)
Read full descriptionHide full description
No subscriptions - Buy once, keep forever Solid Planner is a simple timer + agenda app designed to help you take some time every day to think about what you'd like to do that day. 1. Start a timer and add your tasks 2. Complete your tasks and pursue your goals 3. Get an AI review of your week, stats and more Terms of service: http://solidapps.co/terms.html Privacy policy: http://solidapps.co/privacy.html
Screenshots
Verdict
Opus One and Solid Planner both sit at 4.7 stars, but that hides the real split: 100% of Solid Planner's written reviews are positive against 66% of Opus One's. Solid Planner also leads on monetization model (paid vs subscription). Opus One's advantage is ratings volume (955 vs 10). On price, rating, update cadence and ads 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. Opus One sells 2 in-app purchases, starting at $4.99 per month and Solid Planner sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Opus One against 4.8 for Solid Planner. That said, the two scores are not equally well evidenced: Opus One has 955 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 66% of Opus One's written reviews are positive against 100% of Solid Planner's.
Opus One ships an update every 3 weeks, Solid Planner monthly. The most recent releases landed on September 24, 2026 and August 2, 2026 respectively.
| Parameter | Opus One | Solid Planner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (955 ratings) | 4.8 (10 ratings) — better |
| Positive reviews | 65.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 955 — better | 10 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Paid — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 184 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | PISO 13, Inc. | Solid Apps S.R.L. |
Customer experience
Opus One
Solid Planner
Bugs and requests
Opus One
Reported bugs
4 issues- Sync issues between devices
- App crashes and data loss
- Keyboard not working on iPad
- Distorted font in calendar view
Requested features
6 requests- Add weekly and monthly views
- Improve Apple Pencil support
- Add project management features
- Integrate with more calendar/task apps
- Provide better training and tutorials
Show 1 moreShow fewer
- Allow customization of UI and themes
Solid Planner
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Opus One
- Opus One Pro7 Days trial$4.991 Month
- Opus One Professional7 Days trial$39.991 Year
Solid Planner
- Unlock this app (lifetime)$4.99
- Unlock ALL 10 Solid Apps (lifetime)$9.99
Questions
Is Opus One free?
Is Solid Planner free?
Which has better reviews, Opus One or Solid Planner?
Do Opus One or Solid Planner have ads?
Which is updated more often, Opus One or Solid Planner?
Other comparisons















