Comparison

Bill Reminder vs Sub Sook

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

Head to head
About

Bill Reminder

Features
Read full description

Never miss a bill again. BillDue keeps every due date, recurring payment and reminder in one calm place — so late fees, overdrafts and forgotten payments stop catching you off guard. Most people track bills in their head, a calendar, or a pile of emails. BillDue is built for money instead of appointments: add a bill once and it shows you the amount, the due date, the status and your running total at a glance — then nudges you before anything is late. WHAT YOU GET - Every due date in front of you, so late fees and missed payments stop happening - A daily reminder that nudges you before bills quietly sneak up - Recurring bills you set once — weekly, monthly, quarterly or yearly - A clean monthly calendar that reveals crunch weeks before they arrive - Spending insights with a per-category breakdown of exactly what you owe - A private payment history you can review and export any time PERFECT FOR - Renters juggling rent, utilities and internet every single month - Anyone tired of surprise late fees and overdraft charges - People managing loans, credit cards and insurance premiums - Subscription-heavy households that keep losing track of renewals WHY NOT JUST USE YOUR CALENDAR? A calendar shows a date, but it won't total what you owe, flag an overdue bill, or break your spending down by category. BillDue is organized around your money — you see the amount, the status and the monthly total together, and you get reminded before the due date, not after. PRIVACY Everything stays on your device. No account, no bank login, no ads, no tracking. FULL ACCESS Track up to 5 bills for free. Unlock unlimited bills, category insights and bill export with BillDue Pro — choose a weekly or yearly plan, or a one-time lifetime purchase. Full access requires a subscription or the lifetime unlock. Add your first bill today and never miss a due date again. Terms of Use (EULA): https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy Questions? tphuc.work@gmail.com

About

Sub Sook

Features
Read full description

Sub Sook keeps every subscription, recurring bill and installment plan in one calm place — and reminds you before you're charged. No account. No sign-in. No cloud. Everything stays on your device. KNOW WHAT'S COMING • Monthly total and what's due next, readable in a second • A 14-day strip shows at a glance which days money goes out • Calendar view of every upcoming charge • Reminders 3, 7 or 14 days before billing — pick what suits you • Free-trial and "cancel by" alerts so a trial never turns into an unwanted charge STAY ON TOP OF EVERY PAYMENT • Track subscriptions, recurring bills (rent, utilities, phone, internet) and installment plans • Mark items paid right from the notification and keep a payment history • Installment progress — see how much is paid and what's left • Set a monthly budget and get warned when you go over SPOT WASTE • Insights flag duplicate services, subscriptions you haven't used and price increases • Spending by category, 6-month trends and a ranking of your biggest costs • Pause or cancel an item and watch your monthly total drop PRIVATE BY DESIGN • Your data lives only in the app on your device — nothing is uploaded • Optional Face ID / Touch ID lock • Daily automatic backups on your device, plus a backup file you can save anywhere and restore on a new phone — free for everyone MADE FOR EVERYDAY USE • Quick-add for popular services like Netflix, Spotify, YouTube, iCloud+, ChatGPT, Disney+ and more • 16 currencies (USD, EUR, GBP, JPY, THB and more) with automatic conversion • English and Thai, light and dark mode SUB SOOK PRO • Up to 100 active items (Free: 10) • Export PDF and CSV reports, an annual report and a calendar (.ics) file • Advanced notification rules • Home screen widgets Pro is an auto-renewing subscription. Payment is charged to your Apple ID at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://teezer.cloud/legal/subsook/privacy/

Screenshots

Bill Reminder4 screens
Sub Sook4 screens

Verdict

The call

The clearest difference is update cadence: Sub Sook at every 2 weeks against Bill Reminder's every 6 weeks. 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

CostPrice ¡ In-app purchases ¡ Ads ¡ Monetization

Both are free to download. Bill Reminder sells 3 in-app purchases, starting at $5.99 per 7 days and Sub Sook sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Bill Reminder ships an update every 6 weeks, Sub Sook every 2 weeks. Both last shipped on October 7, 2026.

Scorecard1 real difference ¡ 5 level
Bill Reminder versus Sub Sook: the parameters behind the verdict, then further details
ParameterBill ReminderSub Sook
PriceFreeFree
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad — better
Requires iOS17.016.4 — better
Further details — not scored
Size5 MB68 MB
Age rating4+4+
DeveloperPhuc PhamPhaisan Thauaonsamut

In-app purchases

3 purchases

Bill Reminder

Subscriptions2
  • Rent & Utilities, Weekly$5.997 Days
  • Budget Calendar, Yearly$29.991 Year
One-time1
  • Recurring Payments, Pay Once$59.99
2 purchases

Sub Sook

Subscriptions2
  • Premium (Monthly)$1.991 Month
  • Premium (Yearly)$19.991 Year

Questions

Is Bill Reminder free?
Bill Reminder is free to download, with in-app purchases available.
Is Sub Sook free?
Sub Sook is free to download, with in-app purchases available.
Do Bill Reminder or Sub Sook have ads?
Neither Bill Reminder nor Sub Sook shows ads.
Which is updated more often, Bill Reminder or Sub Sook?
Bill Reminder ships an update every 6 weeks, and Sub Sook every 2 weeks. Most recently, Bill Reminder was updated on October 7, 2026 and Sub Sook on October 7, 2026.

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