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Review Insights · App Store

Calendars: Schedule Planner

Readdle Technologies Limited · 119,040 ratings · ★ 4.7

4.7
★★★★★
119,040 ratings
5 ★
99,615 (84%)
4 ★
12,113 (10%)
3 ★
3,682 (3%)
2 ★
1,087 (1%)
1 ★
2,561 (2%)
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Top complaints - extracted from 34 negative reviews

Recurring phrases mined from 1-2★ reviews. The bigger the percentage, the more users have the same problem. Fix the top 2-3 in your version and you have product-market fit on day one.

1
"calendar"
20 negative reviews mention this · 59% of all complaints
★★★★ "Lost info. I lost every entry on my IPhone calendar 5 days ago" - Cancelmetoday
2
"events"
9 negative reviews mention this · 26% of all complaints
★★★★ "Used to love it. Was my first go calendar, until recently. All the drag and drop features disappeared. You can’t double click on calendar events and have them open in month view. Just a big loss of features. If it gained them back, I’d keep the subscrip…" - drjansurferman
3
"subscription"
7 negative reviews mention this · 21% of all complaints
★★★★ "Used to love it. Was my first go calendar, until recently. All the drag and drop features disappeared. You can’t double click on calendar events and have them open in month view. Just a big loss of features. If it gained them back, I’d keep the subscrip…" - drjansurferman
4
"past"
7 negative reviews mention this · 21% of all complaints
★★★★ "Regret of any past payment for this xhit. After paid again and again you can’t even set up repeat event . Go to heil" - Phili4o
5
"every"
6 negative reviews mention this · 18% of all complaints
★★★★ "Lost info. I lost every entry on my IPhone calendar 5 days ago" - Cancelmetoday
6
"iphone"
6 negative reviews mention this · 18% of all complaints
★★★★ "Lost info. I lost every entry on my IPhone calendar 5 days ago" - Cancelmetoday
7
"been"
6 negative reviews mention this · 18% of all complaints
★★★★ "Harassment. I’ve been a user of this app for years and have the lifetime access. After a new update I am consistently harassed to “upgrade” even though I have lifetime pro access. It will block features from me until I close the app and reopen it. I’m …" - Gbart1
8
"loved"
6 negative reviews mention this · 18% of all complaints
★★★★ "Lots of spam. I had loved this app until 2 mos ago.. I got tons of spam alerts that went directly into my calendar day, not text message, not email, but This calendar app, 8-10 spam messages a day. I finally had to transfer all of my events to calendar t…" - jenlym
9
"everything"
6 negative reviews mention this · 18% of all complaints
★★★★★ "Everything keeps getting wiped.. I really like this app so i ended up buying the premium, ever since then there have been a couple times where i open up the app and literally every event or task or anything is deleted. I have a bad memory which is why i yknow use a calenda…" - froggyghost
10
"lost"
5 negative reviews mention this · 15% of all complaints
★★★★ "Lost info. I lost every entry on my IPhone calendar 5 days ago" - Cancelmetoday
11
"years"
5 negative reviews mention this · 15% of all complaints
★★★★ "Harassment. I’ve been a user of this app for years and have the lifetime access. After a new update I am consistently harassed to “upgrade” even though I have lifetime pro access. It will block features from me until I close the app and reopen it. I’m …" - Gbart1
12
"until"
5 negative reviews mention this · 15% of all complaints
★★★★ "Harassment. I’ve been a user of this app for years and have the lifetime access. After a new update I am consistently harassed to “upgrade” even though I have lifetime pro access. It will block features from me until I close the app and reopen it. I’m …" - Gbart1

📋 All 34 negative reviews

Every 1-2★ review we fetched. Use the copy button to grab them all for your own analysis (paste into ChatGPT/Claude with a prompt like "summarize core user problems, group by theme, ignore bugs, focus on missing features").

★★★★ Reb#1 4/30/2026 v5.37.26
Scam
Was charged $20.80. I did not purchase this I signed up for the seven day trial. He told me I would be charged at the end of the trial.
★★★★ Cancelmetoday 4/28/2026 v5.37.26
Lost info
I lost every entry on my IPhone calendar 5 days ago
★★★★ Gbart1 4/16/2026 v5.37.25
Harassment
I’ve been a user of this app for years and have the lifetime access. After a new update I am consistently harassed to “upgrade” even though I have lifetime pro access. It will block features from me until I close the app and reopen it. I’m worried that either myself or my wife is going to accidentally hit subscribe and end up paying for an app we paid for life years ago. People who supported you early on should not be harassed by your ads. Very frustrating.
★★★★ drjansurferman 4/11/2026 v5.36.13
Used to love it
Was my first go calendar, until recently. All the drag and drop features disappeared. You can’t double click on calendar events and have them open in month view. Just a big loss of features. If it gained them back, I’d keep the subscription. Used to be worth it. Apple Calendar is just as bad.
★★★★ jenlym 4/6/2026 v5.37.25
Lots of spam
I had loved this app until 2 mos ago.. I got tons of spam alerts that went directly into my calendar day, not text message, not email, but This calendar app, 8-10 spam messages a day. I finally had to transfer all of my events to calendar that comes with the iPhone. Very sad to have to delete this app, especially after just paying for another year recently, but now, No spam alerts.
★★★★ Suntosun 4/6/2026 v5.37.25
money-blind company
money-blind company
★★★★ Phili4o 3/30/2026 v5.37.24
Regret of any past payment for this xhit
After paid again and again you can’t even set up repeat event . Go to heil
★★★★ Lily’s doe 3/30/2026 v5.37.24
Can’t cancel trail subscription!
Literally it will not let me cancel the subscription so my card can get charged.
Really annoying and the app makes it impossible to get it cancelled.
★★★★ Wow ur friends 3/20/2026 v5.37.23
Frustrated
I can’t do multiple reminders or repeats anymore!!!!!
★★★★ Lauraxander 3/16/2026 v5.37.23
Bummer.
Bought this app yearssss ago. Now they charge a huge annual fee to continue to use the features you’ve already been using. Finding a new calendar app now.
★★★★ ohdono 3/14/2026 v5.37.23
new update makes recurring events require subscription
new update makes recurring events require subscription, deleting and getting something else. i can vibe code a calendar app myself if i want lol
★★★★ Jeff ans Katie 3/12/2026 v5.37.23
Bad service
Someone was able to get in and my calendar and now I have a reminder every single day for the next forever how long about a bill I don’t owe and I can’t erase it
★★★★ Tammi Sue 3/12/2026 v5.37.23
It’s a sad good bye
Beware of this 3rd party apt!! I loved this app for the past four years. BUT something has happened!!After a recent daylight saving time change on my phone, it triggered every event saved to iCloud to disappear and is UNRETRIEVABLE! I’m lost and frustrated having to start over.
★★★★ Neubz30 3/5/2026 v5.37.22
SO upset.
I have used this app for about a decade and loved it. This morning I woke up and my entire calendar - past, present, future - is GONE. All of my important appointments, events, work deadlines, birthdays, etc. I restarted/updated my phone, followed the IT support instructions several times, tried WiFi and cellular data to refresh the app, and it’s still completely blank. Beyond frustrating.
★★★★ Halfricebug 3/3/2026 v5.37.22
A Step Back for Long-Time Users
I’ve been a loyal user of this calendar app for years, and I’m honestly very disappointed. Editing tasks used to be a free basic feature, but now it suddenly requires a paid subscription. I really don’t understand how a core function that was originally free can be moved behind a paywall.
It feels frustrating and unfair to long-time users who have supported this app for so long. Is this change meant to push existing users away? I truly can’t understand the decision. I hope the team will reconsider this update and think about the loyal users who helped the app grow.
★★★★ Rockyt1000 3/1/2026 v5.36.12
Not very user-friendly
This application was helpful at first. However, as soon as I started adjusting the schedule-moving things around, adding things in, it kept creating duplicates of everything AND deleting every new entry. Very frustrating to deal with- as I’d make an edit and would not be able to remember the time adjustment I made. I’ve been trying to fix this schedule for the past 2 hours and keep running into the same issue…yet I’m supposed to be paying for this? Yeah ok. Would not recommend.
★★★★ CireYelneh 3/1/2026 v5.37.21
Not Syncing
Mac and Iphone IOS have stopped syncing, causing me hours of lost time for productivity. 😓
★★★★ CladIron 3/1/2026 v5.37.21
March 1, 2026: you now have to upgrade to a subscription package to have different colors for events
Do not get this app. You now have to upgrade to a subscription package simply to have different colors for color-coding your various events. This was free up until today. What a nickel-and-dime approach and enough for me to say, “I’m out. Finding another calendar app today.”
★★★★ unicorngirl65$ 2/16/2026 v5.37.20
Doesn’t save
I have had this app for years and loved it! One day it randomly deleted all of my saved dates. I paid for the year subscription thinking it would all come back and it didn’t. I continued to use the calendar and add all my activities back in. After another year everything deleted again! All important dates and appointments gone! cancelling and getting a new app!
★★★★ YetiPowr 2/14/2026 v5.37.20
What is the meaning of lifetime for you?
Selling a lifetime subscription and updating the app and then reselling the lifetime subscription again and making it as a cycle
★★★★ HeyNurse01 2/6/2026 v5.37.19
Not the One
This ap has erased itself and messed up my life twice and most recently got hacked and I had to delete it. Never again. Not sure how so many have rated it so well.
★★★★ Cookielover0330 2/1/2026 v5.37.19
Everything gone!
I loved this app for yrs until right now. ALL my events & appointments in my calendar are done. Past, present & future. Home stuff, work stuff, birthdays… literally everything. It’s completely blank now. Im so frustrated!
★★★★ Foxtail pine 1/30/2026 v5.37.19
Beware
I absolutely loved this app for at least 9 years, and have had everything stored there. Suddenly today I lost everything in the app. I’ve never had to log in for the past many many years, so I have no idea what my original login or email was, that I originally signed up with, because it must have been 9+ years ago. I’ve tried adding all my Gmail accounts and can’t recover any calendar items. This is devastating as I didn’t have them written down anywhere else. Be sure to record somewhere what account you use to sign in, otherwise years later you might lose your entire calendar and have to start back from scratch. I’m not sure why it worked all these years without me logging in, and now suddenly my stuff is gone! Such a weird thing and devastating.
★★★★ PRAKEC 1/27/2026 v5.37.18
Syncing Calendar
I cannot get my calendar to sync between my iPhone and my iPad. It used to work and now it doesn’t.
★★★★ Keller49601 1/25/2026 v5.37.18
Downgraded
This used to be a great app. It no longer allows me to search for past appointments and does not sync with shared calendars. I add to my calendar on my computer and it does not show on their app on my iPhone.
★★★★ Orfny 1/23/2026 v5.37.18
Extra Costs!!
They finally got greedy! Now you have to PAY for recurring events! Long time user very disappointed! It was never a RECURRING charge.
★★★★★ Kskev 4/2/2026 v5.37.25
Calendars don’t sync.
I cannot figure out why the app looks one way on my iPad and a completely different way on my iPhone. As of now, I can see a full list of tasks that I created on my iPad but when I open the app on the iPhone, there’s no tab for tasks. I had and paid for calendar 5 but then had to switch to this one because the first one was no longer gonna be supported. Can somebody please help before I lose my mind
★★★★★ froggyghost 3/27/2026 v5.37.24
Everything keeps getting wiped.
I really like this app so i ended up buying the premium, ever since then there have been a couple times where i open up the app and literally every event or task or anything is deleted. I have a bad memory which is why i yknow use a calendar, i cant keep re entering every single event including every one of my friends and familys birthdays.
★★★★★ heavysmarts 3/16/2026 v5.37.23
What happened??
The latest updates have made this app practically unusable. It’s so tedious to navigate now, and ridiculously buggy - the worst being a daily app freeze often requiring a hard reboot of my phone just to restore usage.
★★★★★ xocherrybaby 3/7/2026 v5.37.22
Erasing
It erased everything on my calendar out of nowhere. Super frustrating.
★★★★★ rhonjm 2/26/2026 v5.37.21
Lost Data
EXTREMELY disappointed that the last iOS update and whatever’s going on with this app caused me to lose 15 yrs of calendar entries.
★★★★★ jeffrey D. B. 2/21/2026 v5.36.12
Calendar
Not great11 LOOKING FOR A unable to set email alertcc
★★★★★ apoplectic.ape 2/3/2026 v5.37.19
Doesn’t show up events entered through Google calendar web
Really frustrated that the new version isn’t showing up my alarms set for calendar invites made in Google calendar on other devices.
★★★★★ Gcfdaisy 2/2/2026 v5.37.19
Glitch removes my events
Every other week this thing occurs where some of the reoccurring events I have every week completely disappear. It’s extremely annoying to deal with and forces me to add that event all over again multiple times.

Sentiment summary

94%
Positive (4-5★)
3%
Neutral (3★)
3%
Negative (1-2★)

✓ Strong positive sentiment - clone path is harder, users like the existing app.