Comparison

Remindify vs Useful Lock Screen Memo

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

Head to head
About

Remindify

Manage your to-dos and reminders directly from your iPhone's Lock Screen. Mark tasks complete with a single tap without unlocking your device. Quickly add new items via Siri, the Action Button, or the Share Sheet.

Highlights
  • Lock Screen Live Activity
  • One-tap task completion
  • Add tasks via Action Button/Siri
  • Share Sheet integration
  • Inline editing
  • 24-hour completed task view
  • Lock Screen widgets
Features
Read full description

Manage your to-dos without unlocking your iPhone. Remindify shows your reminders and to-do list right on your Lock Screen as a Live Activity. Tap to check items off—no Face ID, no unlocking, no app launch. From grocery lists to daily habits, your tasks are always one glance away. ■ Who is it for? • People who forget shopping lists, to-dos, and reminders • Anyone who finds it tedious to open a task manager app every time • Users who want a simpler alternative to the stock Reminders app • iPhone users who want their schedule and notes on the Lock Screen • Power users who want to add memos quickly via the Action Button or Siri ■ Features ◎ Always on your Lock Screen Live Activity shows your top reminders and to-dos as a persistent banner. Check them anytime—no unlocking required. ◎ One-tap complete Tap the checkbox right on your Lock Screen to mark tasks done. Face ID unlock not needed. ◎ Add from anywhere • Action Button (iPhone 15 Pro & later) for instant capture • "Hey Siri, add a reminder to Remindify" for voice input • Spotlight Search quick access • Share Sheet from Safari, Notes, and other apps to save URLs and text ◎ Reminders-app-style inline editing Tap any row to edit in place. Hit Return to add the next item—fluid, frictionless to-do entry. ◎ 24-hour completed view Completed tasks stay visible in gray for 24 hours so you can see your wins, then auto-hide for a clean list. ◎ Lock Screen widgets Alongside Live Activity, Lock Screen widgets are supported in multiple sizes. ■ Use cases • Shopping lists, grocery memos • Travel packing checklists • Project task lists • Daily habit reminders • Quick brain-dump memos ■ Requirements • iOS 18.0 or later • iPhone, iPad, and Apple Watch • Supports Lock Screen widgets, Live Activity, and Dynamic Island If you want a lightweight reminders app that stays in front of you on the Lock Screen, Remindify is for you. ◎ Make it yours Backgrounds (colors, gradients, paper, photos), fonts, and check shapes—style your Lock Screen, widgets, and the app itself. ◎ Attach photos & links Long-press any task to attach a photo or a link. ■ Remindify Pro These features are available with Remindify Pro (monthly/yearly subscription, or a one-time lifetime purchase): • Task-count reactive design: the Lock Screen design and Dynamic Island icon change automatically with your remaining tasks • Custom Dynamic Island icon: keep your favorite photo in the Dynamic Island • App icon in 12 colors • Daily repeating tasks: completed tasks automatically come back the next day • Cloud sync for attached photos: keep them across devices and when you switch phones • Apple Watch app, plus Smart Stack and complications • Web version: view and edit your tasks from your computer's browser (remindify.nabettu.com) The yearly plan includes a 7-day free trial. Subscriptions renew automatically unless canceled 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/

About

Useful Lock Screen Memo

Features
Read full description

Keep what matters in sight, right on your Lock Screen. Useful Lock Screen Memo is a notes and reminders app that lets you check important notes and plans directly from your Lock Screen. Use Live Activities and widgets to display shopping lists, today’s tasks, things you need to remember and schedules you check often. 【Key features】 ■ Lock Screen notes Save a note to display it in a Live Activity and check it quickly from your Lock Screen. You can also adjust the text size and display color. ■ Reminder notifications Choose a date and time to receive the note text as a notification. You can also repeat reminders on selected days of the week. ■ Flexible advance alerts In addition to the scheduled time, enable any alerts you need: 3 days, 2 days, 1 day, 12 hours, 6 hours, 3 hours, 2 hours, 1 hour, 30 minutes, 15 minutes, 10 minutes, 5 minutes, 3 minutes or 1 minute beforehand. Use shared default settings or choose advance alerts individually for each reminder. ■ Manage multiple reminders See your saved reminders in a vertical list. If a notification cannot be scheduled, the app clearly marks it with a warning or an error. ■ Note and reminder history Previous Lock Screen notes and completed reminders are saved in history. Delete items you no longer need by swiping or pressing and holding. ■ Notification sound selection Choose from multiple built-in sounds to suit each occasion. ■ Lock Screen widget Add the widget to check a note or quickly open the app from your Lock Screen. 【Recommended for anyone who wants to】 ・Display a shopping list on your Lock Screen ・Avoid forgetting belongings or deadlines ・Check work or study plans frequently ・Receive several alerts for an important event ・Keep simple notes and reminders together in one app ・Check a note without opening the app 【Pricing】 All features are free. The app displays ads. With the optional one-time “Remove Ads” purchase, you can hide all ads. Even without “Remove Ads”, there are no feature restrictions. 【Before using the app】 ※ Live Activities and notifications must be allowed in your device settings, and the widget must be added to your Lock Screen. ※ The display duration and update timing of Live Activities may vary depending on iOS system conditions. ※ Requires iOS 26 or later. Created by katapu.net

Screenshots

Remindify4 screens
Useful Lock Screen Memo4 screens

Verdict

The call

The clearest difference is ads: Remindify at none against Useful Lock Screen Memo's shown. Remindify also leads on update cadence (every 3 days vs weekly) and iOS requirement (18.0 vs 26.0). On price, 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. Remindify sells 3 in-app purchases, starting at $1.99 per month and Useful Lock Screen Memo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Remindify ships an update every 3 days, Useful Lock Screen Memo weekly. Both last shipped on October 29, 2026.

Scorecard3 real differences · 7 level
Remindify versus Useful Lock Screen Memo: the parameters behind the verdict, then further details
ParameterRemindifyUseful Lock Screen Memo
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews91.7% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 days — betterWeekly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.0 — better26.0
Further details — not scored
Size76 MB118 MB
Age rating4+4+
DeveloperCROSSEDGE Inc.katapu.net

In-app purchases

3 purchases

Remindify

Subscriptions2
  • Remindify Pro Monthly$1.991 Month
  • Remindify Pro Yearly7 Days trial$14.991 Year
One-time1
  • Remindify Pro Lifetime$29.99
1 purchases

Useful Lock Screen Memo

One-time1
  • Remove Ads$5.99

Questions

Is Remindify free?
Remindify is free to download, with in-app purchases available.
Is Useful Lock Screen Memo free?
Useful Lock Screen Memo is free to download, with in-app purchases available.
Do Remindify or Useful Lock Screen Memo have ads?
Useful Lock Screen Memo shows ads; Remindify does not.
Which is updated more often, Remindify or Useful Lock Screen Memo?
Remindify ships an update every 3 days, and Useful Lock Screen Memo weekly. Most recently, Remindify was updated on October 29, 2026 and Useful Lock Screen Memo on October 29, 2026.

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