# Countdown vs Scalyx

The clearest difference is iOS requirement: Countdown at 15.0 against Scalyx's 26.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Countdown sells 2 in-app purchases, starting at $0.99 per 7 days and Scalyx sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Countdown ships an update every 3 days, Scalyx every 5 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Countdown | Scalyx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/countdown-study-timer-plus/id6745097951/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Freemium | — |
| Size | 23 MB | 29 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Karthik raja](https://appshunter.io/developer/1745811573) | [Mouhamadou Dieye Fall](https://appshunter.io/developer/1893271631) |

## What reviewers say

### Countdown

[App page](https://appshunter.io/ios/app/countdown-study-timer-plus/id6745097951)

Enhance your focus and productivity with a customizable timer designed for deep work and mindful concentration. Block distractions with background sounds, set personalized timers, and stay motivated with rewards. Ideal for students and professionals seeking better time management.

**Highlights:** Customizable timers, Background soundscapes, Personalized workspace wallpapers, Daily focus notifications, Pomodoro and deep work modes, Home screen widget, Gamified motivation with coins, Goal list integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly plan | $0.99 | per 7 days |
| Yearly Plan | $1.99 | one-time |


### Scalyx

[App page](https://appshunter.io/ios/app/scalyx-adhd-planner-and-ai/id6762184183)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scalyx Premium (Monthly) | $5.99 | per month |
| Scalyx Premium (Yearly) | $34.99 | per year |


## Frequently asked questions

### Is Countdown free?

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

### Is Scalyx free?

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

### Do Countdown or Scalyx have ads?

Neither Countdown nor Scalyx shows ads.

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

Countdown ships an update every 3 days, and Scalyx every 5 days. Most recently, Countdown was updated on October 7, 2026 and Scalyx on October 1, 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.*