Big Days vs Member Sink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big Days
A minimalist app to track important future and past dates with a clean interface. Easily manage events, add notes, and receive local reminders. Offers home screen widgets for quick access.
- Count down and count up for events
- Highlight events happening today
- Edit, pin, and add notes to events
- Home screen widgets for progress
- Local reminders with repeat rules
- iCloud sync across devices
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Big Days is a minimalist app focused on managing your important dates. Why choose Big Days: Native experience: Built with SwiftUI and iOS-native interactions for smooth and stable performance Minimal design: Clear information hierarchy so your most important dates are visible at a glance Simple workflow: Create events in just a few steps with no learning curve Core features: Count down and count up: Track days remaining for future events and days passed for past events Today highlight: Events happening today are clearly emphasized so you never miss a key moment Event management: Edit, pin, add notes, and delete events easily Memory notes: Add multiple notes to each event to keep long-term memories Home screen widgets: Check key event progress directly from your Home Screen Local reminders: Flexible reminder preferences and repeat rules Languages and themes: Supports Chinese and English, with Auto, Light, and Dark appearance iCloud sync: Keep your data in sync across devices when enabled Great for birthdays, anniversaries, paydays, exams, trips, project milestones, and holiday countdowns. Big Days is built to stay lightweight, clear, and dependable, so every important date gets the attention it deserves.
Member Sink
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Tired of opening five different apps at checkout while the line grows behind you? Member Sink lets you screenshot your loyalty and membership barcodes once — then display them instantly whenever you need them. No more waiting for slow apps to load, no more logging back in, no more "no internet connection" at the worst moment. HOW IT WORKS Open your loyalty app Screenshot the screen that shows your barcode or QR code. Open Member Sink, tap +, pick the screenshot, and give it a name. Done. Next time you're at checkout, open Member Sink and show your code in under a second. WHY MEMBER SINK? • Instant access — Your screenshots load in under one second. No splash screens, no waiting for an app to connect. • 100% offline — Screenshots are stored on your device. Works in basements, parking garages, and dead zones where the original app wouldn't. • Any loyalty program — Starbucks, gym passes, supermarket memberships, parking access, airline lounges — if the app shows a code, you can screenshot it. • Manual entry — Type in member numbers or code data directly for programs that use numeric IDs. • Brightness boost — One tap to max screen brightness so the scanner reads your code instantly. • Swipe between codes — At a mall with multiple loyalty programs? Swipe through them without going back. • Favorites — Pin your most-used codes to the top. • Search — Find any code by name or category. • Privacy first — Everything stays on your device. No accounts required, no tracking. THE PROBLEM WE SOLVE Loyalty apps are slow. They require internet. They make you log in again. They update when you don't want them to. And they always seem to freeze right when you reach the cashier. Member Sink bypasses all of that. One screenshot, instant access, forever. Your codes. Always ready. Always offline. https://enuratech.com/membersink/privacy.html
Screenshots
Verdict
The clearest difference is price: Member Sink at Free against Big Days's $0.99. On in-app purchases and iOS requirement 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
Member Sink is free to download; Big Days costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Big Days | Member Sink |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 76.9% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly | — |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone — better | — |
| Requires iOS | 17.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 9+ | 4+ |
| Developer | 刚 王 | Quanite FZE |
In-app purchases
Big Days
No in-app purchases
Member Sink
No in-app purchases









