# DOY vs MarkDays

The clearest difference is rating: MarkDays at 5.0 against DOY's 3.0. MarkDays also leads on review sentiment (67% vs 50%) and device support (4 vs 2). DOY's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 70 months). On price, ratings volume, ads and iOS requirement there is nothing between them.

Both are free to download. MarkDays sells 1 one-off in-app purchase. DOY asks for nothing beyond the download.

MarkDays holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of DOY's written reviews are positive against 67% of MarkDays's.

DOY ships an update every 4 months, MarkDays every 70 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | DOY | MarkDays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/doy/id1208546429/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/markdays-count-to-days/id1490546689/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 70 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 8 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Hansen](https://appshunter.io/developer/312733912) | [昊罡 姚](https://appshunter.io/developer/844772956) |

## What reviewers say

### DOY

[App page](https://appshunter.io/ios/app/doy/id1208546429)

This app helps you track important upcoming events by counting down the days. It also provides the Day Of Year and sunrise/sunset times for each event based on your location.

**Highlights:** Countdown to user-defined events, Displays Day Of Year for events, Provides sunrise and sunset times, Location-based sunrise/sunset data, Inspired by military 'short timer' tapes

**Features:** macOS Compatibility

**In-app purchases:** none


### MarkDays

[App page](https://appshunter.io/ios/app/markdays-count-to-days/id1490546689)

This tool helps you remember and count down to significant life events like anniversaries, birthdays, and important schedules. Receive timely reminders so you never miss a special occasion. Track both past and future important dates.

**Highlights:** Mark important life days, Count down to events, Track past events, Timely reminders, Anniversary tracking, Birthday reminders

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock MarkedDays Professional | $4.99 | one-time |


## Frequently asked questions

### Is DOY free?

DOY is free to download, with no in-app purchases.

### Is MarkDays free?

MarkDays is free to download, with in-app purchases available.

### Which has better reviews, DOY or MarkDays?

MarkDays is rated higher. DOY averages 3.0 out of 5 from 2 ratings, while MarkDays averages 5.0 from 1 ratings.

### Do DOY or MarkDays have ads?

Neither DOY nor MarkDays shows ads.

### Which is updated more often, DOY or MarkDays?

DOY ships an update every 4 months, and MarkDays every 70 months. Most recently, DOY was updated on November 2, 2026 and MarkDays on November 3, 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.*