Comparison

Simple D vs mikii

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

Head to head
About

Simple D

Features
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Hello, I'm happy to introduce a lightweight and easy-to-use D-Day app. * Countdowns Set the time for your D-Day and easily check the remaining or elapsed time. The time is calculated and displayed in multiple formats (months, weeks, days, hours, etc.). * Anniversaries Set anniversaries and check dates related to your D-Day. You can also use it like a date calculator. * Memos You can create memos related to your D-Days. The date and time are recorded with your memos. It is recommended when you want to keep tracking on your schedules, or keep the records of them. * Notifications Schedule notifications for your D-Days. You can schedule multiple reminders and write whatever message you'd like. You'll receive push notifications at your set times. Thank you. Developer Contact: kim.beeefriends@gmail.com

About

mikii

Features
Read full description

mikii is someone to talk to, who actually helps. not a chatbot. not an assistant. mikii is the first AI that's both a companion and an agent โ€” someone with a real personality who remembers your life and actually gets things done. every mikii is different. when you first open the app, mikii is born with a unique personality just for you. eight personality traits โ€” warmth, energy, openness, humor, and more โ€” combine into someone you've never met before. your mikii has its own habits, quirks, and way of seeing the world. it grows with you over time. it remembers everything. mikii keeps a living memory of your life โ€” your preferences, your routines, the things you've told it. it knows your mom's birthday is coming up. it knows you're nervous about that presentation. it doesn't just respond to what you say โ€” it understands the context of your life and brings it up when it matters. it messages you first. mikii doesn't wait for you to open the app. it sends you a text when it's raining. checks in wh

Screenshots

Simple D4 screens
mikii4 screens

Verdict

The call

The clearest difference is ads: mikii at none against Simple D's shown. mikii also leads on update cadence (daily vs every 3 weeks). Simple D's advantage is iOS requirement (15.0 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Simple D sells 1 one-off in-app purchase and mikii sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Simple D ships an update every 3 weeks, mikii daily. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

Scorecard3 real differences ยท 3 level
Simple D versus mikii: the parameters behind the verdict, then further details
ParameterSimple Dmikii
PriceFreeFree
Update frequencyEvery 3 weeksDaily โ€” better
AdsYesNo โ€” better
In-app purchasesYesYes
DevicesiPhone, iPod โ€” betteriPhone
Requires iOS15.0 โ€” better18.2
Further details โ€” not scored
Size48 MB8 MB
Age rating4+12+
DeveloperbeeefriendsOPO

In-app purchases

1 purchases

Simple D

One-time1
  • Remove ads$6.99
5 purchases

mikii

One-time5
  • 1 Credit$0.99
  • 5 Credits$2.99
  • 10 Credits$4.99
Show 2 more
  • 20 Credits$9.99
  • 50 Credits$19.99

Questions

Is Simple D free?
Simple D is free to download, with in-app purchases available.
Is mikii free?
mikii is free to download, with in-app purchases available.
Do Simple D or mikii have ads?
Simple D shows ads; mikii does not.
Which is updated more often, Simple D or mikii?
Simple D ships an update every 3 weeks, and mikii daily. Most recently, Simple D was updated on October 7, 2026 and mikii on October 24, 2026.

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