# Kaspa Observer vs Stacked

The clearest difference is ads: Kaspa Observer at none against Stacked's shown. Kaspa Observer also leads on iOS requirement (15.5 vs 17.6). On price, update cadence, 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.

Kaspa Observer ships an update weekly, Stacked every 2 weeks. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Kaspa Observer | Stacked |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 74 MB | 8 MB |
| Requires iOS | **15.5** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nikolai Karavanov](https://appshunter.io/developer/1829272078) | [Jiseok Han](https://appshunter.io/developer/1615744901) |

## What reviewers say

### Kaspa Observer

[App page](https://appshunter.io/ios/app/kaspa-observer/id6749205046)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stacked

[App page](https://appshunter.io/ios/app/stacked-drip-by-drip/id6757973612)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kaspa Observer free?

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

### Is Stacked free?

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

### Do Kaspa Observer or Stacked have ads?

Stacked shows ads; Kaspa Observer does not.

### Which is updated more often, Kaspa Observer or Stacked?

Kaspa Observer ships an update weekly, and Stacked every 2 weeks. Most recently, Kaspa Observer was updated on November 5, 2026 and Stacked on November 9, 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.*