Comparison

MonoMind vs Zero by Otto

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

Head to head
About

MonoMind

Features
Read full description

No matter how many tasks you have, you can only do one thing right now. Let MonoMind help you with that one thing. While we crave constant stimulation, we still find peace in watching flames or flowing water.  Observing gradual changes helps clear our minds and brings calmness. Our daily lives need slow changes, just like MonoMind's numberless clock. MonoMind helps you focus on just one task at a time.  The screen shows only your current task and a numberless clock. Don't worry about what's next.  When you finish your current task, MonoMind automatically brings up the next one from your list. - Tap the clock to check remaining time - Long press the clock to end session - Tap next task to complete current and start next - Plan your breaks by writing what you'll do - View your focus and break history in statistics

About

Zero by Otto

This task management app offers a minimalist approach to productivity. Unfinished tasks automatically roll over to the next day, ensuring nothing gets lost. Organize tasks into projects, create reusable lists, and collaborate with others.

Highlights
  • Automatic task rollover
  • Today view
  • Drag and drop rescheduling
  • Project organization
  • Shared projects for collaboration
  • Reusable checklists
  • Desktop widget
Read full description

Zero - task management made simple. Zero takes a minimalist approach to getting things done. Tasks automatically roll over to the next day when incomplete, so nothing gets lost while keeping your focus on today. Key Features: Automatic Rollover – Unfinished tasks move to tomorrow, no manual rescheduling needed Today View – See what needs to be done today in one clean view Drag & Drop – Reschedule tasks between days with simple gestures Projects – Organize related tasks together Shared Projects – Collaborate with others by inviting them via email Lists – Create reusable checklists for routines and recurring workflows Favorites – Star important tasks to highlight them Desktop Widget (macOS) – Keep today's tasks visible on your desktop Minimal Design – Clean interface without unnecessary features Sync – Works seamlessly across iPhone, iPad, and Mac Dark Mode – Comfortable viewing any time of day Zero helps you stay organized without the complexity of traditional task managers. Tasks flow naturally from day to day, projects keep work organized, and lists handle your recurring needs.

Screenshots

MonoMind4 screens
Zero by Otto4 screens

Verdict

The call

MonoMind and Zero by Otto are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on December 4, 2025 and June 3, 2026 respectively.

ScorecardNo meaningful differences
MonoMind versus Zero by Otto: the parameters behind the verdict, then further details
ParameterMonoMindZero by Otto
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 5 daysEvery 5 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.216.0 — better
Further details — not scored
Size13 MB13 MB
Age rating4+4+
DeveloperHeung Ju HaLudus-Language, Inc.

In-app purchases

None

MonoMind

No in-app purchases

None

Zero by Otto

No in-app purchases

Questions

Is MonoMind free?
MonoMind is free to download, with no in-app purchases.
Is Zero by Otto free?
Zero by Otto is free to download, with no in-app purchases.
Do MonoMind or Zero by Otto have ads?
Neither MonoMind nor Zero by Otto shows ads.
Which is updated more often, MonoMind or Zero by Otto?
MonoMind ships an update every 5 days, and Zero by Otto every 5 days. Most recently, MonoMind was updated on December 4, 2025 and Zero by Otto on June 3, 2026.

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