# MarkDays vs 365安全宝

The clearest difference is in-app purchases: 365安全宝 at none against MarkDays's 1. 365安全宝 also leads on update cadence (every 3 months vs every 70 months) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. MarkDays sells 1 one-off in-app purchase. 365安全宝 asks for nothing beyond the download.

MarkDays ships an update every 70 months, 365安全宝 every 3 months. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | MarkDays | 365安全宝 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/markdays-count-to-days/id1490546689/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 70 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 65 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [昊罡 姚](https://appshunter.io/developer/844772956) | [Hunan Zhitong Engineering&Technology CO., LTD](https://appshunter.io/developer/1406724266) |

## What reviewers say

### 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 |


### 365安全宝

[App page](https://appshunter.io/ios/app/365/id1633203300)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MarkDays free?

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

### Is 365安全宝 free?

365安全宝 is free to download, with no in-app purchases.

### Do MarkDays or 365安全宝 have ads?

Neither MarkDays nor 365安全宝 shows ads.

### Which is updated more often, MarkDays or 365安全宝?

MarkDays ships an update every 70 months, and 365安全宝 every 3 months. Most recently, MarkDays was updated on October 20, 2026 and 365安全宝 on October 27, 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.*