# Mainn vs Days Since & Countdown

The clearest difference is update cadence: Mainn at weekly against Days Since & Countdown's every 3 weeks. Mainn also leads on iOS requirement (15.6 vs 18.0). 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.

Mainn ships an update weekly, Days Since & Countdown every 3 weeks. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Mainn | Days Since & Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 54 MB | 10 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tikit](https://appshunter.io/developer/1403128897) | [Igor Bogdanov](https://appshunter.io/developer/6773527328) |

## What reviewers say

### Mainn

[App page](https://appshunter.io/ios/app/mainn/id6504693906)

**Features:** macOS Compatibility

**In-app purchases:** none


### Days Since & Countdown

[App page](https://appshunter.io/ios/app/days-since-and-countdown-whenly/id6796975382)

**In-app purchases:** none


## Frequently asked questions

### Is Mainn free?

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

### Is Days Since & Countdown free?

Days Since & Countdown is free to download, with no in-app purchases.

### Do Mainn or Days Since & Countdown have ads?

Neither Mainn nor Days Since & Countdown shows ads.

### Which is updated more often, Mainn or Days Since & Countdown?

Mainn ships an update weekly, and Days Since & Countdown every 3 weeks. Most recently, Mainn was updated on October 12, 2026 and Days Since & Countdown on October 13, 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.*