# Doo vs Sky

The clearest difference is price: Sky at Free against Doo's $4.99. Sky also leads on iOS requirement (15.0 vs 17.6). Doo's advantage is update cadence (every 2 weeks vs every 2 months) and chart position (#182 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Sky is free to download; Doo costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Doo ships an update every 2 weeks, Sky every 2 months. The most recent releases landed on October 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Doo | Sky |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.4 (39 ratings)](https://appshunter.io/ios/app/doo-get-things-done/id1515371154/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 55.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Paid | — |
| Best chart rank | **#182** | — |
| Size | 17 MB | 57 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ciarlo Software, LLC](https://appshunter.io/developer/1066322955) | [Philipp Hecht](https://appshunter.io/developer/1678052782) |

## What reviewers say

### Doo

[App page](https://appshunter.io/ios/app/doo-get-things-done/id1515371154)

**Currently charting:** #182 Top Paid · Productivity (US App Store)

This app helps you overcome procrastination by breaking down tasks into manageable digital cards. Its unique card-based interface and focus on one task at a time promote productivity and habit building. It offers various task types, scheduling options, and cross-device syncing.

**Highlights:** Card-based task interface, Customizable task groups, Open-ended, calendar, and location-based tasks, Share extension for creating tasks from other apps, Customizable task scheduling and alerts, iCloud sync across devices, Task collaboration

**Features:** Siri integration

**In-app purchases:** none


### Sky

[App page](https://appshunter.io/ios/app/sky-frame/id6446482138)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Doo free?

Doo costs $4.99, with no in-app purchases.

### Is Sky free?

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

### Do Doo or Sky have ads?

Neither Doo nor Sky shows ads.

### Which is updated more often, Doo or Sky?

Doo ships an update every 2 weeks, and Sky every 2 months. Most recently, Doo was updated on October 19, 2026 and Sky on October 2, 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.*