# Anniversary · Countdown vs 3D Print Doctor

The clearest difference is price: 3D Print Doctor at Free against Anniversary · Countdown's $0.99. 3D Print Doctor also leads on iOS requirement (15.1 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

3D Print Doctor is free to download; Anniversary · Countdown costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Anniversary · Countdown | 3D Print Doctor |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/anniversary-countdown/id6760106574/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Paid | — |
| Size | 8 MB | 44 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Shuxia Xiaowu Network Technology Co., Ltd.](https://appshunter.io/developer/1406242368) | [LEE WILLIAM LOCKYER FINCKEN](https://appshunter.io/developer/6799251915) |

## What reviewers say

### Anniversary · Countdown

[App page](https://appshunter.io/ios/app/anniversary-countdown/id6760106574)

This app helps you track important dates like birthdays and anniversaries with countdowns and count-ups. It offers thoughtful reminders and customizable event types, all within a private and ad-free interface. View your progress and cherished memories in one beautiful place.

**Highlights:** Countdown and count-up for events, Support for solar and lunar calendars, Life progress tracking, Customizable event types, Thoughtful reminders, Home screen and lock screen widgets, Private iCloud sync

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 3D Print Doctor

[App page](https://appshunter.io/ios/app/3d-print-doctor/id6799251913)

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

**In-app purchases:** none


## Frequently asked questions

### Is Anniversary · Countdown free?

Anniversary · Countdown costs $0.99, with no in-app purchases.

### Is 3D Print Doctor free?

3D Print Doctor is free to download, with no in-app purchases.

### Do Anniversary · Countdown or 3D Print Doctor have ads?

Neither Anniversary · Countdown nor 3D Print Doctor shows ads.

### Which is updated more often, Anniversary · Countdown or 3D Print Doctor?

Anniversary · Countdown ships an update every 2 weeks, and 3D Print Doctor every 2 weeks. Most recently, Anniversary · Countdown was updated on October 25, 2026 and 3D Print Doctor on October 19, 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.*