# Dayfly vs SteadyMemo

The clearest difference is ads: Dayfly at none against SteadyMemo's shown. SteadyMemo's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, 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 SteadyMemo sells 1 in-app purchase, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.

Dayfly ships an update fortnightly, SteadyMemo every 11 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dayfly | SteadyMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 1 MB | 33 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yohan Gwak](https://appshunter.io/developer/1778377620) | [Yeongsang Kim](https://appshunter.io/developer/1692023287) |

## 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 |


### SteadyMemo

[App page](https://appshunter.io/ios/app/steadymemo-calendar-notes/id6800566908)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Annual | $2.99 | per year |


## Frequently asked questions

### Is Dayfly free?

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

### Is SteadyMemo free?

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

### Do Dayfly or SteadyMemo have ads?

SteadyMemo shows ads; Dayfly does not.

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

Dayfly ships an update fortnightly, and SteadyMemo every 11 days. Most recently, Dayfly was updated on October 25, 2026 and SteadyMemo 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.*