# Seasons To Do vs Zero by Otto

The clearest difference is update cadence: Zero by Otto at every 5 days against Seasons To Do's every 3 months. Seasons To Do's advantage is iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Seasons To Do ships an update every 3 months, Zero by Otto every 5 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Seasons To Do | Zero by Otto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zero-by-otto/id6746745586/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 12 MB | 13 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Brick Bay Insights, Inc.](https://appshunter.io/developer/1474193085) | [Ludus-Language, Inc.](https://appshunter.io/developer/1818287014) |

## What reviewers say

### Seasons To Do

[App page](https://appshunter.io/ios/app/seasons-to-do/id1477054832)

**Features:** Vision Pro support

**In-app purchases:** none


### Zero by Otto

[App page](https://appshunter.io/ios/app/zero-by-otto/id6746745586)

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

**In-app purchases:** none


## Frequently asked questions

### Is Seasons To Do free?

Seasons To Do 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 Seasons To Do or Zero by Otto have ads?

Neither Seasons To Do nor Zero by Otto shows ads.

### Which is updated more often, Seasons To Do or Zero by Otto?

Seasons To Do ships an update every 3 months, and Zero by Otto every 5 days. Most recently, Seasons To Do was updated on October 10, 2026 and Zero by Otto on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*