# Focus Stacks vs Oupu ADS

The clearest difference is price: Oupu ADS at Free against Focus Stacks's $4.99. Oupu ADS also leads on iOS requirement (14.0 vs 17.0). Focus Stacks's advantage is update cadence (weekly vs every 4 months). On ads, in-app purchases and device support there is nothing between them.

Oupu ADS is free to download; Focus Stacks costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Focus Stacks ships an update weekly, Oupu ADS every 4 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Focus Stacks | Oupu ADS |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/focus-stacks/id6478795096/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Paid | — |
| Size | 1 MB | 59 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, Vision Pro | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Despres](https://appshunter.io/developer/1525630876) | [优芬 胡](https://appshunter.io/developer/1849712814) |

## What reviewers say

### Focus Stacks

[App page](https://appshunter.io/ios/app/focus-stacks/id6478795096)

Organize your tasks and ideas with a visually appealing, card-based system. Capture everything, customize with colors, add detailed notes, and sync across devices. Never let a task or idea slip away again.

**Highlights:** Capture every task easily, Customize lists with colors, Attach detailed notes to tasks, Automatic iCloud syncing, Card-based design

**Features:** macOS Compatibility

**In-app purchases:** none


### Oupu ADS

[App page](https://appshunter.io/ios/app/oupu-ads/id6755982402)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Focus Stacks free?

Focus Stacks costs $4.99, with no in-app purchases.

### Is Oupu ADS free?

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

### Do Focus Stacks or Oupu ADS have ads?

Neither Focus Stacks nor Oupu ADS shows ads.

### Which is updated more often, Focus Stacks or Oupu ADS?

Focus Stacks ships an update weekly, and Oupu ADS every 4 months. Most recently, Focus Stacks was updated on October 7, 2026 and Oupu ADS on October 11, 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.*