# Big Countdown vs ScreenHarmony

The clearest difference is in-app purchases: Big Countdown at none against ScreenHarmony's 2. Big Countdown also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (12.0 vs 16.6). On price and device support there is nothing between them.

Both are free to download. ScreenHarmony sells 2 in-app purchases, starting at $2.99 per month. Big Countdown asks for nothing beyond the download.

Big Countdown ships an update every 2 days, ScreenHarmony every 2 months. The most recent releases landed on May 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Big Countdown | ScreenHarmony |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/screenharmonyparental-control/id6745558629/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | — | Freemium |
| Size | 8 MB | 8 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pierre Ramoin](https://appshunter.io/developer/1715390405) | [集军 孟](https://appshunter.io/developer/1805715622) |

## What reviewers say

### Big Countdown

[App page](https://appshunter.io/ios/app/big-countdown/id6517356676)

**Features:** macOS Compatibility

**In-app purchases:** none


### ScreenHarmony

[App page](https://appshunter.io/ios/app/screenharmonyparental-control/id6745558629)

This app helps parents manage children's screen time by creating flexible, time-based rules for different daily routines. It offers guided setup for Apple's built-in parental controls and provides insights into device usage without constant monitoring.

**Highlights:** Flexible app limits by time slot, App blocking during specific periods, Screen time reports via email/iMessage, Website blocking and allowlisting, Guided setup for Apple Family Sharing, Privacy-focused data storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro(Monthly) | $2.99 | per month |
| Pro (Quarterly) | $7.09 | per 3 months |


## Frequently asked questions

### Is Big Countdown free?

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

### Is ScreenHarmony free?

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

### Which is updated more often, Big Countdown or ScreenHarmony?

Big Countdown ships an update every 2 days, and ScreenHarmony every 2 months. Most recently, Big Countdown was updated on May 16, 2026 and ScreenHarmony on September 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.*