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Reminder and task apps.

Installs
4163.3M

Across 6 of 11 apps we could match.

Google Keep - Notes and lists has 98% of them.

  • 11 apps
  • 2,959 reviews held
  • 1,043 negative
  • Median $2.999 of 11 charge.

3 gaps.

Shares of this market’s 1,043 negative reviews.

Sync & dataextreme

8.8% vs 0.9% typical store-wide.

Reviews · 3 of 92
  • Calendars: Schedule Planner2star· Sep 9, 2026

    Don’t sign out! — This calendar was working great. Then one day it kept telling me to sign in. After using the app for years and btw I never signed out. I asked the help center why was ot asking me to sign-in? It gave me instructions to go here and here and sign out. I did that and it wiped out my entire calendar!!!! It’s all gone!

  • Calendars: Schedule Planner1star· Sep 7, 2026

    Great until it wasn’t — I have used this app for years and I have always loved it. Then one day, all of my data was gone. All the birthdays, appointments and even bill reminders.

  • Calendars: Schedule Planner2star· Aug 22, 2026

    Everything Deleted — I have used the app for years. I’ve enjoyed how easy it was to navigate. I kept my entirely life in it. I also own a business and it helped me tremendously to stay on top of things. Unfortunately, if I had known that simply going to the settings to unsync my iPhone calendar that it would delete everything within the calendar I would have never paid for the subscription nor d

Named problems · 2
  • Sync fails between devices15 of 92
  • Everything gone at once4 of 92

UXelevated

7.7% vs 4.9% typical store-wide.

Reviews · 3 of 80
  • To Do List MinimaList & Widget1star· Aug 16, 2026

    No longer a minimal list — It got too complicated and I hate it now. Before it had a single list that you added to and removed from. Now there are multiple lists and all these other options and it's really easy to change the list without wanting to, and it can be difficult to find the list that you want. Trying to clean it up I accidentally deleted the list that I need! Please go back to making it

  • TickTick:To-Do List & Calendar2star· Aug 15, 2026

    99 task limit — I love the Eisenhower matrix and the ways you can organize your tasks. but the free version only allows you to create 99 tasks per list at a time. the whole point of the app is to be a to-do list where I can add tasks, so why is there a limit (and such a small limit at that)? It feels counter-intuitive tbh

  • To Do List MinimaList & Widget1star· Jul 26, 2026

    Used to be awesome — Now it sucks. I hate the new layout. I can’t even put my lists in different views anymore, they’re all just in a drop down menu now and it’s ugly. I don’t need a calendar, I use this app as a lists/to-do app? I don’t need a focus timer? Ect ect. Why change something and make it worse? I’ll be finding a new app. Also I’m pretty sure this app has fake reviews. Go ahead and read

Limits & capselevated

2.4% vs 1.9% typical store-wide.

Reviews · 3 of 25
  • TickTick:To-Do List & Calendar2star· Aug 15, 2026

    99 task limit — I love the Eisenhower matrix and the ways you can organize your tasks. but the free version only allows you to create 99 tasks per list at a time. the whole point of the app is to be a to-do list where I can add tasks, so why is there a limit (and such a small limit at that)? It feels counter-intuitive tbh

  • Calendars: Schedule Planner1star· Aug 7, 2026

    no repeat dates — another useless calendar app where the repeat function is blocked behind the subscription. can’t add repeat events such as work, classes, habits, etc

  • TickTick:To-Do List & Calendar1star· Jul 15, 2026

    Unnecessary Subscription for basic functions — Any app that limits functionality behind a paywall for basic features gets a 1 star from me. If you just offered bonus features or more benefits, I wouldn’t be upset, but you limit people on the amount of tasks they can create, lists they can make, countdowns they can have, and habits they can track. After a short amount of time using this app, it bec

Also counted

ThemeOf 1,043 negatives
  • Billing310 · 29.7% · 11 apps
  • Performance187 · 17.9% · 11 apps
  • Support69 · 6.6% · 11 apps
  • Login & auth52 · 5.0% · 7 apps
  • Ads45 · 4.3% · 10 apps
  • Accuracy3 · 0.3% · 3 apps

The tick marks the store-typical rate. A review can mention more than one theme, so these sum past 100%.

Is anyone looking for this?

What Apple and Google complete after reminder and task apps, in their order.

Who they're for
medicineflying blue
App Store
reminder for medicinereminderspotty timer reminder for kidsreminders freebill reminder for upcoming paymentsreminder apps with notification featureswater reminder & drink waterreminder for flying blue

Marked App Store phrases are searched, but no app in this market says them in its name. Audiences are what Apple and Google complete after “reminder for”, with the query stripped.

Potential customers

People the apps here do not serve, and what they asked for.

  • Wants it to plug inGoogle Calendar 5 · Outlook 4 · Alexa 321
  • Shut out by device or contextApple Watch 2 · iPad 212
  • Wants lesstoo many features 11 · just a basic one 212

Counted in 1 to 4 star reviews. The small numbers are how many reviews named each thing. What they wrote is in the free trial.

Who’s in it

All 11 apps counted in this market · 2026-09-02.

Apps count as part of a market for 90 days after they last appear in it. Installs are Google Play's own count, last captured 2026-09-13. 6 of 11 apps have an Android listing we could match. A dash means we could not pair the two stores, not that the app is absent from Play.

What they charge, and what it costs them

Prices from Apple’s public pages; the share counts payment-mechanics language only.

AppMoney complaints
TickTick:To-Do List & Calendar$4.99–$49.99 · 2 tiers10.6% of 47
Todo List & Reminder - Todoery$1.99–$43.99 · 9 tiers8.6% of 58
Any.do: To do list & Planner$2.99–$59.99 · 9 tiers6.9% of 216
Todoist: To Do List & Calendar$6.99–$59.99 · 4 tiers3.4% of 117
Calendars: Schedule Planner$1.99–$31.99 · 8 tiers0% of 187
To Do List MinimaList & Widget$2.99–$14.99 · 7 tiers0% of 57
Tiny Calendar: Planner & Tasks$1.49–$19.99 · 10 tiers0% of 61
24me: Calendar・Planner & To Do$7.99–$99.99 · 8 tiers0% of 66
Due - Reminders & Timers$4.99–$4.99 · 1 tiers0% of 26

Browse the apps behind these counts

Every app we count, with the complaint it runs furthest above the store’s typical rate.

Open the app library

Is there a market for a new reminder and task app?

11 apps compete on this shelf, holding 2,959 App Store reviews. And the widest unfixed complaint, sync & data, runs in 11 of 11 of them at 8.8% of negative reviews against 0.9% typical. Those are counts, not a verdict. The page shows what is unfixed, not whether to build.

What do users complain about most in reminder and task apps?

1. Sync & data: in 11 of 11 apps, 8.8% of negative reviews; 2. UX: in 10 of 11 apps, 7.7% of negative reviews; 3. Limits & caps: in 8 of 11 apps, 2.4% of negative reviews.

How many reminder and task app reviews did App Imp count?

2,959 US App Store reviews across 11 apps, 1,043 of them negative. Counted on the 2026-09-02 snapshot, never estimated.

How this is counted

Every number is arithmetic over the reviews we hold, re-counted weekly: nothing modelled, nothing scored. Themes come from a frozen pattern classifier rather than a model reading reviews, so the same review always lands in the same bucket. A market rate is pooled across every app here; the store rate is the same count across 12,743 apps. A complaint is only called a gap when at least half the market carries it, at least 20 reviews are behind it, and the market’s rate is elevated above the store’s, the same cutoff used everywhere on this site, because a problem concentrated in one app is that app’s bug, and a problem every app on the store shares is nobody’s gap. This market has no full report yet, so the per-app notes are absent rather than estimated. The anger axis is counted either way: mean star of the reviews carrying each theme, from the same classifier as the counts above.