# PoolTool vs Stackr Invest

The clearest difference is update cadence: PoolTool at monthly against Stackr Invest's every 3 months. 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.

PoolTool ships an update monthly, Stackr Invest every 3 months. The most recent releases landed on June 11, 2026 and May 23, 2026 respectively.

## The numbers

| Metric | PoolTool | Stackr Invest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (98 ratings)](https://appshunter.io/ios/app/pooltool/id1495556387/reviews)** | — |
| Number of ratings | **98** | — |
| Positive reviews | 58.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 28 MB | 83 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adderley Group Ltd.](https://appshunter.io/developer/385497171) | [Stackr Cayman Ltd](https://appshunter.io/developer/1633401783) |

## What reviewers say

### PoolTool

[App page](https://appshunter.io/ios/app/pooltool/id1495556387)

Discover and monitor Cardano stake pools. Track your rewards and receive notifications for pool changes like fees, pledge, and saturation. Find the best pools with smart filtering and sorting.

**Highlights:** Explore Cardano stake pools, Track delegation rewards, Favorite pool notifications, Detailed pool information, Smart pool filtering and sorting

**Features:** macOS Compatibility

**In-app purchases:** none


### Stackr Invest

[App page](https://appshunter.io/ios/app/stackr-invest/id1633401781)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PoolTool free?

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

### Is Stackr Invest free?

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

### Do PoolTool or Stackr Invest have ads?

Neither PoolTool nor Stackr Invest shows ads.

### Which is updated more often, PoolTool or Stackr Invest?

PoolTool ships an update monthly, and Stackr Invest every 3 months. Most recently, PoolTool was updated on June 11, 2026 and Stackr Invest on May 23, 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.*