Useful Lock Screen Memo vs meloClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Useful Lock Screen Memo
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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
meloClock
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This is what 15:35 sounds like. meloClock is a digital clock that turns the digits of the current time into scale degrees, staff notation, and melody. With practice, you may even recognize the current time just by listening. Tap the digits or notes, and the clock becomes a small instrument. Use everyday glances at the time as a playful part of ear training. Using meloClock as a clock is completely free, with no ads. For those who want to explore ear training and customization further, meloClock Pro is also available. ■ A clock for your everyday space ・A large digital clock designed for landscape display ・Optional date, weekday, and staff notation ・Customizable fonts, weights, and display styles ・Available on iPhone, iPad, and Mac ■ Hear and play the time ・See the current time as notes on a staff ・Play the time as a melodic chime ・Tap the time, date, or notes to make music ・Repeat melody chimes at your chosen interval ■ For ear training, too Play while watching how digits, scale degrees, and notes correspond, or listen while following the melody on the staff. meloClock is useful as a clock and enjoyable as a small musical instrument. ■ meloClock Pro An optional upgrade for exploring ear training and customization further. With the same Apple Account, one subscription unlocks Pro on iPhone, iPad, and Mac. meloClock has no ads and does not collect usage data. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: meloClock at none against Useful Lock Screen Memo's shown. On price, update cadence, 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. Useful Lock Screen Memo sells 1 one-off in-app purchase and meloClock sells 2 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.
Useful Lock Screen Memo ships an update weekly, meloClock every 5 days. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.
| Parameter | Useful Lock Screen Memo | meloClock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 145 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | katapu.net | Yuichi Sato |
In-app purchases
Useful Lock Screen Memo
- Remove Ads$5.99
meloClock
- meloClock Pro Monthly$1.491 Month
- meloClock Pro Yearly$14.991 Year
Questions
Is Useful Lock Screen Memo free?
Is meloClock free?
Do Useful Lock Screen Memo or meloClock have ads?
Which is updated more often, Useful Lock Screen Memo or meloClock?
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