Clip Days Left vs PaperDue
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clip Days Left
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Clip Days Left helps you see exactly how many days remain until what matters most. Create events in seconds. Choose a date, pick a color, and instantly get a beautifully clear countdown. Everything is thoughtfully designed to feel calm, minimal, and distraction-free — so you can focus on time, not settings. Whether it’s an upcoming trip, a personal goal, or a meaningful life moment, Clip Days Left keeps it present at a glance — on your iPhone, your Home Screen, and even your Apple Watch. Features - Create events with a specific date and custom color - Instantly see how many days are left - Track multiple events at the same time - Customizable Home Screen widgets - Apple Watch app to view your countdowns on your wrist - Edit or remove events anytime - Clean, minimal interface designed for clarity and focus No accounts. No subscriptions. No data collection. Just a simple, elegant way to keep track of the days that matter.
PaperDue
Never miss a crucial submission deadline for AI research conferences. This app provides live countdowns, smart notifications, and conference rankings to help academics stay organized and focused on their work.
- Live countdown tracker for hundreds of conferences
- Smart reminder notifications
- CORE & CCF conference rankings
- Dynamic Island countdown ticker
- Home & Lock Screen widgets
- Timeline & calendar view
- Multi-timezone support
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PAPERDUE — NEVER MISS A SUBMISSION DEADLINE Your next breakthrough paper deserves a shot. Don't let it miss the deadline. PaperDue is the essential deadline tracker built for AI researchers, PhD students, and academics who live and breathe conference submissions. Track CVPR, NeurIPS, ICML, ICLR, ACL, AAAI, ECCV, and hundreds more — all in one beautiful, distraction-free app. ———————————————————— WHY RESEARCHERS CHOOSE PAPERDUE ———————————————————— Conference season is brutal. You're juggling abstract deadlines, full-paper windows, rebuttal periods, and camera-ready dates — across dozens of venues simultaneously. Missing a deadline doesn't just mean disappointment; it means waiting another year. PaperDue keeps every critical date front and center, so you can focus on the science. —————— FEATURES —————— - LIVE COUNTDOWN TRACKER — Browse hundreds of AI, CV, NLP, and ML conferences sorted by urgency. Real-time day countdowns, second-precise timers for your followed venues. - SMART NOTIFICATIONS — Custom reminder alerts at 14, 7, 3 days or the day of — configured independently for abstract and full-paper deadlines. - CORE & CCF RANKINGS — Every conference tagged with its CORE (A*, A, B, C) and CCF (A, B, C) ranking. Filter instantly to surface only the venues that match your impact target. - DYNAMIC ISLAND COUNTDOWN — When a deadline enters the final 24 hours, a live ticker activates in the Dynamic Island. The most urgent alert on your phone. - HOME & LOCK SCREEN WIDGETS — Glance at your next deadline without opening the app. Multiple sizes with live countdown bars. - TIMELINE & CALENDAR — Visualize your full submission roadmap in a scrollable timeline or monthly calendar, with one-tap export to Apple Calendar. - MULTI-TIMEZONE SUPPORT — Local time, UTC, AoE, or any fixed offset. Essential for international submissions. ———————————— DESIGNED FOR FOCUS ———————————— No clutter. No social feed. No noise. The dark navy interface keeps your eyes comfortable during late-night writing sessions. —————————————— YOUR COMPETITIVE EDGE —————————————— The researchers who get accepted aren't always the ones with the best ideas — they're the ones who submitted on time, without the last-minute panic. Download free. Upgrade when you're ready.
Screenshots
Verdict
The clearest difference is update cadence: PaperDue at weekly against Clip Days Left's monthly. On price, 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
Both are free to download. Clip Days Left sells 1 one-off in-app purchase and PaperDue sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Clip Days Left ships an update monthly, PaperDue weekly. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.
| Parameter | Clip Days Left | PaperDue |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 18.2 — better | 18.6 |
| Further details — not scored | ||
| Size | 17 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Maurivan Padilha | 梓豪 朱 |
In-app purchases
Clip Days Left
- Clip Days Left Lifetime$0.99
PaperDue
- PaperDue Pro$1.99









