# Dayfly vs Sol

The clearest difference is update cadence: Dayfly at fortnightly against Sol's every 5 weeks. Dayfly also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dayfly sells 1 one-off in-app purchase and Sol sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Dayfly ships an update fortnightly, Sol every 5 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dayfly | Sol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Size | 1 MB | 17 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yohan Gwak](https://appshunter.io/developer/1778377620) | [Adam Kovacs](https://appshunter.io/developer/1814096456) |

## What reviewers say

### Dayfly

[App page](https://appshunter.io/ios/app/dayfly/id6779812090)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mayfly Pro | $3.99 | one-time |


### Sol

[App page](https://appshunter.io/ios/app/sol-daily-notes-and-documents/id6792342079)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sol Pro Monthly | $2.99 | per month |
| Sol Pro Yearly | $9.99 | per year |
| Sol Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Dayfly free?

Dayfly is free to download, with in-app purchases available.

### Is Sol free?

Sol is free to download, with in-app purchases available.

### Do Dayfly or Sol have ads?

Neither Dayfly nor Sol shows ads.

### Which is updated more often, Dayfly or Sol?

Dayfly ships an update fortnightly, and Sol every 5 weeks. Most recently, Dayfly was updated on October 25, 2026 and Sol on October 31, 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.*