# DaysDown vs Dayfly

The clearest difference is in-app purchases: DaysDown at none against Dayfly's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dayfly sells 1 one-off in-app purchase. DaysDown asks for nothing beyond the download.

DaysDown ships an update every 3 weeks, Dayfly fortnightly. The most recent releases landed on September 16, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DaysDown | Dayfly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 29 MB | 1 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vedant Jain](https://appshunter.io/developer/1844674705) | [Yohan Gwak](https://appshunter.io/developer/1778377620) |

## What reviewers say

### DaysDown

[App page](https://appshunter.io/ios/app/daysdown/id6757261816)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is DaysDown free?

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

### Is Dayfly free?

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

### Do DaysDown or Dayfly have ads?

Neither DaysDown nor Dayfly shows ads.

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

DaysDown ships an update every 3 weeks, and Dayfly fortnightly. Most recently, DaysDown was updated on September 16, 2026 and Dayfly on September 29, 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.*