# Flashback vs May Calendar

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.

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

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.

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.

## The numbers

| Metric | Flashback | May Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/flashback-sci-fi-style-calendar/id685105952/reviews)** | [4.3 (40 ratings)](https://appshunter.io/ios/app/may-calendar/id1579147803/reviews) |
| Number of ratings | 7 | **40** |
| Positive reviews | **76.0% of reviews** | 56.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 39 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [OCTUDIO](https://appshunter.io/developer/685105957) | [Motoki Takahashi](https://appshunter.io/developer/1411233238) |

## What reviewers say

### Flashback

[App page](https://appshunter.io/ios/app/flashback-sci-fi-style-calendar/id685105952)

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:** macOS Compatibility

**In-app purchases:** none


### May Calendar

[App page](https://appshunter.io/ios/app/may-calendar/id1579147803)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $7.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*