Comparison

Opus One vs The House Keeper

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

Head to head
About

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.

Highlights
  • 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
Features
Read 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/

About

The House Keeper

Manage domestic worker payroll, leave, payments, and records for South African households. This app simplifies calculations, generates payslips, and keeps monthly payment history organized, reducing stress and guesswork.

Highlights
  • Track work days, leave, and sick days
  • Record salary, overtime, payments, and deductions
  • Generate payslips and contracts
  • Organize monthly payment history
  • Manage domestic worker information
  • Review salary calculations
  • Support proper record-keeping
Features
Read full description

The House Keeper helps South African households manage domestic worker payroll, leave, payments, and records in one simple place. Designed for families who employ domestic workers, The House Keeper makes it easier to stay organised, calculate pay, track leave, record payments, and keep clear monthly records without relying on spreadsheets, scattered notes, or manual calculations. With The House Keeper, you can manage important household employment details more clearly and confidently. Key features include: Track work days, leave, and sick days Record salary details, overtime, payments, and deductions Generate payslips and contracts for your records Keep monthly payment history organised Manage domestic worker information in one place Review salary calculations before making payment Support proper record-keeping for South African households The House Keeper is especially useful for households that want a simpler way to manage domestic worker admin, including leave tracking, salary calculations, UIF-related records, and payslips. Whether you employ a helper, nanny, cleaner, or other domestic worker, the app helps reduce guesswork and gives you a clearer system for managing monthly responsibilities. The House Keeper is built for South African families who want to pay correctly, keep proper records, and handle domestic worker admin with less stress. Download The House Keeper and manage your household employment records with more clarity and confidence.

Screenshots

Opus One4 screens
The House Keeper3 screens

Verdict

The call

The clearest difference is rating: Opus One at 4.7 against The House Keeper's 1.0. Opus One also leads on ratings volume (984 vs 1). The House Keeper's advantage is in-app purchases (none vs 2). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Opus One sells 2 in-app purchases, starting at $4.99 per month. The House Keeper asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Opus One holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Opus One has 984 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Opus One ships an update every 3 weeks, The House Keeper every 5 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Opus One versus The House Keeper: the parameters behind the verdict, then further details
ParameterOpus OneThe House Keeper
PriceFreeFree
Rating4.7 (984 ratings) — better1.0 (1 ratings)
Positive reviews65.7% of reviews—
Number of ratings984 — better1
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size187 MB47 MB
Age rating4+4+
DeveloperPISO 13, Inc.Cutten Advisers LLC

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 more
  • Allow customization of UI and themes

The House Keeper

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Opus One

Subscriptions2
  • Opus One Pro7 Days trial$4.991 Month
  • Opus One Professional7 Days trial$39.991 Year
None

The House Keeper

No in-app purchases

Questions

Is Opus One free?
Opus One is free to download, with in-app purchases available.
Is The House Keeper free?
The House Keeper is free to download, with no in-app purchases.
Which has better reviews, Opus One or The House Keeper?
Opus One is rated higher. Opus One averages 4.7 out of 5 from 984 ratings, while The House Keeper averages 1.0 from 1 ratings.
Do Opus One or The House Keeper have ads?
Neither Opus One nor The House Keeper shows ads.
Which is updated more often, Opus One or The House Keeper?
Opus One ships an update every 3 weeks, and The House Keeper every 5 weeks. Most recently, Opus One was updated on November 1, 2026 and The House Keeper on October 31, 2026.

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