Comparison

Flashback vs May Calendar

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

Head to head
About

Flashback

Experience your schedule like never before with a unique sci-fi film aesthetic. This calendar app offers intuitive controls for easy event management. Designed for users seeking a visually distinct and functional planning tool.

Highlights
  • Sci-fi film design aesthetic
  • Intuitive event addition
  • Easy event editing
  • iOS 9+ compatibility
  • iPhone 5+ compatibility
Features
Read full description

The app offers you an unprecedented experience, just like in a movie. Flashback is a calendar app with a design that can be seen in a SCi-Fi Film scene. Intuitive controls make it easy to add or edit events. This app requires iOS 9 or later, and iPhone 5 or later. Please view this page to learn how to use this app. http://flashback-calendar.com/usage

About

May Calendar

This app offers a comprehensive view of your schedule, displaying all events on a monthly calendar with customizable time and location details. Manage multiple calendars, use templates for quick event registration, and personalize your view with custom colors and fonts.

Highlights
  • Display all schedules on monthly view
  • Manage multiple calendar sets
  • Register schedules with templates
  • 20 types of customizable widgets
  • Filter events by keywords
  • Set event background colors and patterns
  • Customizable notifications
Features
Read full description

Read long event titles right in month view. May Calendar wraps event titles across multiple lines, so you can read your plans directly on the calendar. Show event times and locations, choose a comfortable text size, and switch between work and personal calendars with a tap. MAKE YOUR CALENDAR EASIER TO READ Customize fonts and text sizes to suit you. Give your calendar a personal touch with theme colors, event background colors, and patterns. ADD FREQUENT EVENTS FASTER Save templates for events you often create, such as meetings, workouts, and appointments. Double-tap a date to open your templates, then tap one to add the event. SWITCH BETWEEN WORK AND PERSONAL Save different combinations of calendars and switch between them with one tap. Choose which calendars to show for work, personal plans, or any other part of your day. CHOOSE FROM 20 WIDGETS Find a widget that suits your needs, with additional options available exclusively on iPad. FOCUS ON THE EVENTS YOU NEED Filter your calendar to show only events that match the text you enter. Set rules to apply background colors and patterns to matching events. SET ALERTS BEFORE EVENTS START OR END Set alerts before an event’s start time or end time. Notifications are delivered by Apple’s Calendar app. MORE WAYS TO CUSTOMIZE • Time zone settings • Choice of first day of the week • Reminder display • Holiday display • Week numbers • Lunar calendar display

Screenshots

Flashback4 screens
May Calendar4 screens

Verdict

The call

The clearest difference is in-app purchases: Flashback at none against May Calendar's 1. Flashback also leads on ads (none vs shown) and review sentiment (76% vs 57%). May Calendar's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (40 vs 7). On price, rating 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. May Calendar sells 1 one-off in-app purchase. Flashback asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Flashback against 4.3 for May Calendar. That said, the two scores are not equally well evidenced: May Calendar has 40 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 76% of Flashback's written reviews are positive against 57% of May Calendar's.

UpkeepUpdate frequency

Flashback ships an update every 2 months, May Calendar every 3 weeks. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

Scorecard7 real differences · 3 level
Flashback versus May Calendar: the parameters behind the verdict, then further details
ParameterFlashbackMay Calendar
PriceFreeFree
Rating4.4 (7 ratings) — better4.3 (40 ratings)
Positive reviews76.0% of reviews — better56.8% of reviews
Number of ratings740 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS9.0 — better16.6
Further details — not scored
Size6 MB39 MB
Age rating4+12+
DeveloperOCTUDIOMotoki Takahashi

Customer experience

Flashback

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews25 reviews
Positive76.0%
Neutral20.0%
Negative4.0%

May Calendar

All ratings40 ratings
Positive85.0%
Neutral0.0%
Negative15.0%
Written reviews37 reviews
Positive56.8%
Neutral10.8%
Negative32.4%

In-app purchases

None

Flashback

No in-app purchases

1 purchases

May Calendar

One-time1
  • Remove ads$7.99

Questions

Is Flashback free?
Flashback is free to download, with no in-app purchases.
Is May Calendar free?
May Calendar is free to download, with in-app purchases available.
Which has better reviews, Flashback or May Calendar?
Flashback is rated higher. Flashback averages 4.4 out of 5 from 7 ratings, while May Calendar averages 4.3 from 40 ratings.
Do Flashback or May Calendar have ads?
May Calendar shows ads; Flashback does not.
Which is updated more often, Flashback or May Calendar?
Flashback ships an update every 2 months, and May Calendar every 3 weeks. Most recently, Flashback was updated on October 21, 2026 and May Calendar on October 22, 2026.

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