# Kakatte Koi vs SOLARY

The clearest difference is update cadence: SOLARY at every 2 weeks against Kakatte Koi's every 2 months. Kakatte Koi's advantage is iOS requirement (14.0 vs 16.6). 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.

Kakatte Koi ships an update every 2 months, SOLARY every 2 weeks. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Kakatte Koi | SOLARY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 18 MB | 26 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Hesbay Corp](https://appshunter.io/developer/1754871676) | [SOLARY](https://appshunter.io/developer/1762799166) |

## What reviewers say

### Kakatte Koi

[App page](https://appshunter.io/ios/app/kakatte-koi/id6505043224)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SOLARY

[App page](https://appshunter.io/ios/app/solary/id6636481031)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kakatte Koi free?

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

### Is SOLARY free?

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

### Do Kakatte Koi or SOLARY have ads?

Neither Kakatte Koi nor SOLARY shows ads.

### Which is updated more often, Kakatte Koi or SOLARY?

Kakatte Koi ships an update every 2 months, and SOLARY every 2 weeks. Most recently, Kakatte Koi was updated on October 10, 2026 and SOLARY on October 18, 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.*