# Sparky vs GreenDay

The clearest difference is ads: GreenDay at none against Sparky's shown. GreenDay also leads on update cadence (daily vs every 2 days) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

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

Sparky ships an update every 2 days, GreenDay daily. Both last shipped on October 9, 2026.

## The numbers

| Metric | Sparky | GreenDay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | **Daily** |
| Size | 7 MB | 6 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [YongJae Kim](https://appshunter.io/developer/1052227753) | [Kihyuk Hong](https://appshunter.io/developer/906605781) |

## What reviewers say

### Sparky

[App page](https://appshunter.io/ios/app/sparky-idea-catcher/id6759247604)

**Features:** macOS Compatibility

**In-app purchases:** none


### GreenDay

[App page](https://appshunter.io/ios/app/greenday-tasks-and-notes/id6812229239)

**In-app purchases:** none


## Frequently asked questions

### Is Sparky free?

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

### Is GreenDay free?

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

### Do Sparky or GreenDay have ads?

Sparky shows ads; GreenDay does not.

### Which is updated more often, Sparky or GreenDay?

Sparky ships an update every 2 days, and GreenDay daily. Most recently, Sparky was updated on October 9, 2026 and GreenDay on October 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.*