# CountX vs OrbitLab

The clearest difference is in-app purchases: OrbitLab at none against CountX's 3. OrbitLab also leads on ads (none vs shown). CountX's advantage is update cadence (fortnightly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CountX sells 3 in-app purchases, starting at $1.99 per month. OrbitLab asks for nothing beyond the download.

CountX ships an update fortnightly, OrbitLab every 2 months. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CountX | OrbitLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (86 ratings)](https://appshunter.io/ios/app/countx-countdown-and-days-until/id6743341927/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 96.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shaffans Studios](https://appshunter.io/developer/1793082923) | [SHIH-CHEN FAN](https://appshunter.io/developer/1563674002) |

## What reviewers say

### CountX

[App page](https://appshunter.io/ios/app/countx-countdown-and-days-until/id6743341927)

Track important dates like birthdays, trips, and exams with customizable countdowns. View them on your Home Screen and Lock Screen, and receive alarms when the day arrives. Personalize your countdowns with photos and colors.

**Highlights:** Home Screen and Lock Screen widgets, Customizable countdowns (down to the second), Repeat events (hourly, daily, weekly, monthly, yearly), Event alarms and reminders, Import from Calendar and Reminders, Personalize with photos, colors, and fonts, Share countdowns with friends

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $4.99 | per year |
| Premium Access for Lifetime | $14.99 | one-time |


### OrbitLab

[App page](https://appshunter.io/ios/app/orbitlab-n-body-simulator/id6766003818)

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

**In-app purchases:** none


## Frequently asked questions

### Is CountX free?

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

### Is OrbitLab free?

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

### Do CountX or OrbitLab have ads?

CountX shows ads; OrbitLab does not.

### Which is updated more often, CountX or OrbitLab?

CountX ships an update fortnightly, and OrbitLab every 2 months. Most recently, CountX was updated on November 6, 2026 and OrbitLab on October 31, 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.*