# Birthdays countdown vs Zen Glide

The clearest difference is in-app purchases: Birthdays countdown at none against Zen Glide's 3. Zen Glide's advantage is update cadence (every 3 months vs every 7 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Zen Glide sells 3 in-app purchases, starting at $3.99 per 7 days. Birthdays countdown asks for nothing beyond the download.

Birthdays countdown ships an update every 7 months, Zen Glide every 3 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Birthdays countdown | Zen Glide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/birthdays-countdown-widget/id6749833074/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 151 MB |
| Requires iOS | 18.1 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ANDREI LEBEDEV](https://appshunter.io/developer/1814229946) | [APPTRACTOR DEVELOPMENT LTD](https://appshunter.io/developer/1854830090) |

## What reviewers say

### Birthdays countdown

[App page](https://appshunter.io/ios/app/birthdays-countdown-widget/id6749833074)

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

**In-app purchases:** none


### Zen Glide

[App page](https://appshunter.io/ios/app/zen-glide-flight-simulator/id6759801259)

Experience a serene flight over real 3D cities with a silent glider. Explore iconic landmarks, enjoy simple tilt controls, and earn your pilot license without any pressure or timers. Perfect for a moment of calm.

**Highlights:** Fly over real 3D cities, Explore 9 iconic cities, 45 landmark flights, Day and night flying, Simple tilt controls, Earn Zen Pilot Licence, Progress through pilot ranks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $3.99 | per 7 days |
| Monthly subscription | $5.99 | per month |
| Yearly subscription | $39.99 | per year |


## Frequently asked questions

### Is Birthdays countdown free?

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

### Is Zen Glide free?

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

### Do Birthdays countdown or Zen Glide have ads?

Neither Birthdays countdown nor Zen Glide shows ads.

### Which is updated more often, Birthdays countdown or Zen Glide?

Birthdays countdown ships an update every 7 months, and Zen Glide every 3 months. Most recently, Birthdays countdown was updated on October 28, 2026 and Zen Glide 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.*