Comparison

Anniversary · Countdown vs 3D Print Doctor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Anniversary · Countdown

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
Read full description

Anniversary Countdown helps you remember the days that matter - birthdays, anniversaries, love milestones, festivals, and even your own life progress, all kept in one calm, beautiful place. Count down to what's coming, and count up the days you've shared. Feel time flow. FEATURES - Many types: birthdays, love anniversaries, important days, festivals, custom events - Solar & lunar calendars: lunar birthdays auto-resolve to the next date - Countdown & count-up: see days left or days passed at a glance - Life progress: yearly progress and a life countdown to feel time's weight - Thoughtful reminders: on the day and days ahead, so you never miss it - Home Screen & Lock Screen widgets, plus an Apple Watch complication - Private iCloud sync across iPhone, iPad, and Apple Watch - Face ID app lock to protect your privacy PRIVACY FIRST No account, no ads, no third-party tracking. Your data lives only on your device and in your own private iCloud - the developer cannot access it. Time never stops, but memories can be kept. With Anniversary Countdown, gather up the days that matter.

About

3D Print Doctor

Features
Read full description

3D Print Doctor diagnoses your failed prints in seconds and gives you printer-specific fix steps — no guesswork, no forum trawling. PHOTO OR TEXT Take a photo of your failed print, or just describe what went wrong. The AI analyses your image or description and identifies the defect instantly. PRINTER-SPECIFIC FIXES Tell it your printer and get fix steps written for your exact machine — whether that's a Bambu Lab X1C, Prusa MK4, Creality Ender 3, Voron, or anything else. 17 DEFECT TYPES COVERED Stringing, warping, layer shifts, under-extrusion, clogged nozzles, elephant foot, ghosting, pillowing, moisture damage, and more. SCAN HISTORY Every diagnosis is saved so you can track recurring problems and see what fixes have worked over time. DEFECT REFERENCE Browse the full defect library to learn the causes and symptoms of common print failures — useful even when nothing's gone wrong. FEEDBACK LOOP Mark whether a fix worked or not. Your feedback helps the AI improve future diagnoses. Built for FDM makers who want answers fast.

Screenshots

Anniversary · Countdown4 screens
3D Print Doctor3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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

Scorecard2 real differences · 8 level
Anniversary · Countdown versus 3D Print Doctor: the parameters behind the verdict, then further details
ParameterAnniversary · Countdown3D Print Doctor
Price$0.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size8 MB44 MB
Age rating4+4+
DeveloperShanghai Shuxia Xiaowu Network Technology Co., Ltd.LEE WILLIAM LOCKYER FINCKEN

In-app purchases

None

Anniversary · Countdown

No in-app purchases

None

3D Print Doctor

No in-app purchases

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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