Comparison

NoticeMemo vs Could've

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

Head to head
About

NoticeMemo

Create custom notifications with your own messages and preferred times. Organize alerts with tabs, emojis, and repeat settings. Enjoy a secure, ad-free experience with biometric authentication and dark mode.

Highlights
  • Custom timed notifications
  • Repeat function for specific days
  • Unlimited tab organization
  • Emoji support for alerts
  • Biometric authentication
  • Dark mode
  • Ad-free experience
Features
Read full description

Send notifications at your favorite time with your favorite message. A powerful app that sends notifications with a specified message at a specified time. It has a rich set of features including tabs, day-of-week specification, emojis, history, dark mode, biometric authentication, sorting, and more. ■ Notifications at specified times Send notifications at your specified time. ■ Custom messages Notification messages can be freely customized. ■ Repeat function Set notifications for specific days of the week and configure repeat settings. ■ No login required Use it immediately without logging in. ■ Tab management Organize with unlimited tabs. ■ Emojis Display notification items clearly with emojis. ■ Sorting Swipe to sort, sort by time, alphabetical order, and more sorting options available. ■ Themes Change the background color for each tab. ■ History Quickly create notifications from past history. ■ Dark mode Work comfortably with beautiful dark mode that's easy on the eyes. ■ Biometric authentication Enhance app security with biometric authentication. ■ Tab notes Leave your favorite notes on tabs. ■ Complete security Data is never sent externally and is completely protected within your device. ■ Ad-free No ads displayed at all. ■ 7-day free trial / One-time purchase You can try the app free for 7 days. After the free trial ends, a one-time in-app purchase is required to continue adding and editing notifications. Your data is kept after the trial ends. This is not a subscription, and you will never be charged automatically. ■ Terms of Use https://naokiotsu.com/term-of-use ■ Privacy Policy https://naokiotsu.com/privacy-policy Support info@naokiotsu.com

About

Could've

This app quantifies the opportunity cost of social media usage by converting lost screen time into tangible losses like unearned wages or missed personal moments. It encourages users to re-evaluate their time allocation and prioritize offline activities.

Highlights
  • Tracks social media screen time
  • Calculates lost wages
  • Estimates unread books
  • Highlights missed moments
  • Promotes offline activity
Features
Read full description

What could you have done with all the time you've spent on social media? Designed by FriendCircle.xyz, Could've reveals the true opportunity cost of your screen time—converting lost hours into lost wages, unread books, and missed moments. Time is the only currency you can't earn back. Spend it where it matters. Real life happens offline.

Screenshots

NoticeMemo4 screens
Could've3 screens

Verdict

The call

The clearest difference is in-app purchases: Could've at none against NoticeMemo's 1. NoticeMemo's advantage is iOS requirement (15.1 vs 18.6). On price, rating, ratings volume and update cadence 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. NoticeMemo sells 1 one-off in-app purchase. Could've asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for NoticeMemo against 5.0 for Could've. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

NoticeMemo ships an update every 8 days, Could've weekly. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 6 level
NoticeMemo versus Could've: the parameters behind the verdict, then further details
ParameterNoticeMemoCould've
PriceFreeFree
Rating5.0 (2 ratings)5.0 (2 ratings)
Number of ratings22
Update frequencyEvery 8 daysWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.6
Further details — not scored
Size52 MB0 MB
Age rating4+4+
Developernaoki otsuHaoran Fu

Customer experience

NoticeMemo

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Could've

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

NoticeMemo

One-time1
  • Premium (Pay Once)$4.99
None

Could've

No in-app purchases

Questions

Is NoticeMemo free?
NoticeMemo is free to download, with in-app purchases available.
Is Could've free?
Could've is free to download, with no in-app purchases.
Which has better reviews, NoticeMemo or Could've?
NoticeMemo and Could've are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do NoticeMemo or Could've have ads?
Neither NoticeMemo nor Could've shows ads.
Which is updated more often, NoticeMemo or Could've?
NoticeMemo ships an update every 8 days, and Could've weekly. Most recently, NoticeMemo was updated on October 31, 2026 and Could've on October 30, 2026.

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