# Zero by Otto vs *slash

The clearest difference is update cadence: Zero by Otto at every 5 days against *slash's fortnightly. 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.

Zero by Otto ships an update every 5 days, *slash fortnightly. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Zero by Otto | *slash |
| --- | --- | --- |
| 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 5 days** | Fortnightly |
| Monetization | Free | — |
| Size | 13 MB | 1 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ludus-Language, Inc.](https://appshunter.io/developer/1818287014) | [param kalaria](https://appshunter.io/developer/1873979019) |

## What reviewers say

### 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


### *slash

[App page](https://appshunter.io/ios/app/slash/id6758618929)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zero by Otto free?

Zero by Otto is free to download, with no in-app purchases.

### Is *slash free?

*slash is free to download, with no in-app purchases.

### Do Zero by Otto or *slash have ads?

Neither Zero by Otto nor *slash shows ads.

### Which is updated more often, Zero by Otto or *slash?

Zero by Otto ships an update every 5 days, and *slash fortnightly. Most recently, Zero by Otto was updated on October 6, 2026 and *slash on October 4, 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.*