# yACK FAST vs Eola Power

yACK FAST and Eola Power are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

yACK FAST ships an update every 2 months, Eola Power every 3 months. The most recent releases landed on October 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | yACK FAST | Eola Power |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 9 MB | 55 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Serialio Ltd.](https://appshunter.io/developer/333178140) | [EOLA POWER LLC](https://appshunter.io/developer/1770604562) |

## What reviewers say

### yACK FAST

[App page](https://appshunter.io/ios/app/yack-fast/id1166008825)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eola Power

[App page](https://appshunter.io/ios/app/eola-power/id6717617016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is yACK FAST free?

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

### Is Eola Power free?

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

### Do yACK FAST or Eola Power have ads?

Neither yACK FAST nor Eola Power shows ads.

### Which is updated more often, yACK FAST or Eola Power?

yACK FAST ships an update every 2 months, and Eola Power every 3 months. Most recently, yACK FAST was updated on October 10, 2026 and Eola Power on September 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.*