Comparison

Timer4 vs Drop That Due

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

Head to head
About

Timer4

This app offers a unique timer experience by automatically adjusting countdown durations based on your device's orientation. Simply rotate your phone to switch between preset intervals with a physics-driven interface and immersive haptic feedback.

Highlights
  • Physics-based interface
  • Instant duration switching via rotation
  • Smart motion detection
  • Immersive haptic feedback
  • Customizable timer presets
  • Intuitive orientation control
Features
Read full description

​Timer4 is an innovative timer app that automatically sets the countdown based on your device’s orientation. Using CoreMotion, it precisely detects angles and instantly switches presets with a physics-driven UI that reacts to gravity. ​-​ Upright → 5 minutes ​-​ Left → 10 minutes ​-​ Upside down → 30 minutes ​-​ Right → 1 hour Just rotate your device to switch durations instantly, without pressing any buttons. ​#​ Key Features ​-​ Physics-based interface Experience objects that bounce and collide naturally as they react to gravity. The interface stays level and smoothly rotates when the device changes orientation. ​-​ Instant duration switching Switch between commonly used timer intervals simply by rotating your device, no menus or settings required. ​-​ Smart motion detection Powered by advanced CoreMotion tracking for precise, responsive, and seamless orientation changes. ​-​ Immersive haptic feedback Feel realistic tactile responses when objects collide with boundaries. ​#​ Perfect For Pomodoro focus sessions Cooking and baking Workout intervals Meditation and stretching Study and break cycles Brewing tea Quick reminders All four orientations can be customized to fit your personal workflow. Easy — Set the time just by rotating Intuitive — Orientation determines the duration Beautiful — Smooth animations and realistic physics Flexible — Premium customization for power users Change the way you use timers. Experience ​Timer4 now. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Drop That Due

Features
Read full description

Never forget an expiry date again. Drop That Due helps you track all your expiring items in one simple, offline place. Whether it’s food, medicine, cosmetics, documents, or appliances — add them once, and let the app remind you before they expire. Simple & Quick Entry Add items with just a few taps: name, category, expiry date, purchase date, quantity, notes, and custom reminder days. Choose from preset categories like Food, Electronics, Medicine, Cosmetics, Documents, or create your own. Smart Reminders – Even When App Is Closed Schedule local notifications so you never miss a due date. Set a default reminder time or adjust it per item. Notifications appear even if the app is not running – because iOS handles them reliably. Badge Count at a Glance See the number of expiring or soon‑to‑expire items right on your home screen icon. The badge updates automatically as you add, edit, or consume items. Calendar Integration With one tap, add any item to your system calendar as an all‑day event. The reminder will be set according to your preferred lead time. Perfect for important documents or long‑term warranties. Organize by Categories Filter your list by category to focus on what matters. Create, rename, or delete categories – fully customizable with emoji icons and colors. Consumable & Non‑consumable Items For food or supplies, mark items as consumable and reduce the quantity each time you use one. When quantity reaches zero, the item is automatically marked as done. For non‑consumables (like electronics), simply mark them as completed when no longer needed. Export Your Data Export all your items and categories to a CSV file. The file is saved to your device’s local storage. You own your data – always. Complete Offline & Private No account, no sync, no internet connection required. All your data stays on your iPhone. We never collect, store, or share any of your personal information. What you enter stays with you. Beautiful Clay‑style Design Enjoy a unique, tactile interface inspired by clay and stone – soft shadows, rounded cards, and warm earthy colors that make managing your items feel calm and satisfying. Multilingual Support The app speaks your language: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, and Spanish. Perfect for Grocery and food expiry tracking Medicine and supplement reminders Cosmetic and skincare shelf‑life management Document and warranty renewal alerts Household appliance maintenance schedules Download Drop That Due today and take control of your expiring items – the simple, private, and beautiful way.

Screenshots

Timer44 screens
Drop That Due4 screens

Verdict

The call

The clearest difference is in-app purchases: Drop That Due at none against Timer4's 1. Drop That Due also leads on iOS requirement (13.0 vs 26.0). On price, ads 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

Both are free to download. Timer4 sells 1 one-off in-app purchase. Drop That Due asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Timer4 versus Drop That Due: the parameters behind the verdict, then further details
ParameterTimer4Drop That Due
PriceFreeFree
Rating3.8 (5 ratings) — better—
Positive reviews28.6% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.013.0 — better
Further details — not scored
Size3 MB22 MB
Age rating4+4+
DeveloperGoateraction振东 杨

In-app purchases

1 purchases

Timer4

One-time1
  • Lifetime Access$4.99
None

Drop That Due

No in-app purchases

Questions

Is Timer4 free?
Timer4 is free to download, with in-app purchases available.
Is Drop That Due free?
Drop That Due is free to download, with no in-app purchases.
Do Timer4 or Drop That Due have ads?
Neither Timer4 nor Drop That Due shows ads.

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