# ChainASC vs Countdown

The clearest difference is in-app purchases: Countdown at none against ChainASC's 2. Countdown also leads on update cadence (every 2 days vs every 9 days). ChainASC's advantage is iOS requirement (17.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. ChainASC sells 2 in-app purchases, starting at $0.99 per month. Countdown asks for nothing beyond the download.

ChainASC ships an update every 9 days, Countdown every 2 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | ChainASC | Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/countdown-days-until-and-widget/id6820218630/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 18 MB | 6 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Furkan Kilic](https://appshunter.io/developer/1895067830) | [Jack Isherwood](https://appshunter.io/developer/6818804002) |

## What reviewers say

### ChainASC

[App page](https://appshunter.io/ios/app/chainasc-habit-tracker/id6762902546)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly! | $0.99 | per month |
| Premium Yearly! | $9.99 | per year |


### Countdown

[App page](https://appshunter.io/ios/app/countdown-days-until-and-widget/id6820218630)

Track upcoming events like birthdays and trips with customizable widgets for your Home and Lock Screens. Receive timely reminders and sync seamlessly across your devices via iCloud. Enjoy all features for free without ads or in-app purchases.

**Highlights:** Customizable event widgets, Home and Lock Screen support, Yearly repeating event options, Multiple reminder options, iCloud sync across devices, Private by design

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is ChainASC free?

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

### Is Countdown free?

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

### Do ChainASC or Countdown have ads?

Neither ChainASC nor Countdown shows ads.

### Which is updated more often, ChainASC or Countdown?

ChainASC ships an update every 9 days, and Countdown every 2 days. Most recently, ChainASC was updated on November 5, 2026 and Countdown on November 10, 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.*