# Lykke vs GreenDay

The clearest difference is update cadence: GreenDay at daily against Lykke's every 2 weeks. 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.

Lykke ships an update every 2 weeks, GreenDay daily. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Lykke | GreenDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/lykke-personalized-learning/id6741321158/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | — |
| Size | 96 MB | 6 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Lykke Technologies Inc.](https://appshunter.io/developer/1833961560) | [Kihyuk Hong](https://appshunter.io/developer/906605781) |

## What reviewers say

### Lykke

[App page](https://appshunter.io/ios/app/lykke-personalized-learning/id6741321158)

This app consolidates various idea fragments, from voice notes to screenshots, into a connected, searchable knowledge library. It automatically organizes your captured information and allows instant retrieval through conversational AI, even integrating with other AI assistants.

**Highlights:** Capture voice notes, screenshots, links, and documents, Automatic titling, tagging, and connection of notes, Instant idea retrieval via conversational AI, Integrates with popular AI chat assistants, Weekly insights to discover patterns and connections, Cross-platform support for iPhone and iPad

**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 Lykke free?

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

### Is GreenDay free?

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

### Do Lykke or GreenDay have ads?

Neither Lykke nor GreenDay shows ads.

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

Lykke ships an update every 2 weeks, and GreenDay daily. Most recently, Lykke was updated on October 13, 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.*