# Spark System vs Buoys App

Spark System and Buoys App 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.

Spark System ships an update fortnightly, Buoys App every 2 weeks. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Spark System | Buoys App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 151 MB | 107 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [mati skiba](https://appshunter.io/developer/1719522362) | [Spirit Sailing Club Ltd](https://appshunter.io/developer/1896141177) |

## What reviewers say

### Spark System

[App page](https://appshunter.io/ios/app/spark-system/id6473700835)

**In-app purchases:** none


### Buoys App

[App page](https://appshunter.io/ios/app/buoys-app/id6765958834)

**In-app purchases:** none


## Frequently asked questions

### Is Spark System free?

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

### Is Buoys App free?

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

### Do Spark System or Buoys App have ads?

Neither Spark System nor Buoys App shows ads.

### Which is updated more often, Spark System or Buoys App?

Spark System ships an update fortnightly, and Buoys App every 2 weeks. Most recently, Spark System was updated on October 7, 2026 and Buoys App on October 19, 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.*