# GreatDays vs 把脉 Pro

The clearest difference is in-app purchases: GreatDays at none against 把脉 Pro's 3. GreatDays also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 把脉 Pro sells 3 in-app purchases, starting at $1.99 per month. GreatDays asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | GreatDays | 把脉 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free | — |
| Size | 8 MB | 28 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [远平 张](https://appshunter.io/developer/1158542410) | [淑婷 刘](https://appshunter.io/developer/1546865316) |

## What reviewers say

### GreatDays

[App page](https://appshunter.io/ios/app/greatdays/id1513887298)

This app allows you to add important life events directly to your Apple Watch. It calculates the remaining days until these events, with support for various complications to view information at a glance.

**Highlights:** Add important life days to Apple Watch, Calculate remaining days until events, Supports multiple watch complications, Independent Apple Watch app functionality, View event information at a glance

**Features:** Apple Watch app

**In-app purchases:** none


### 把脉 Pro

[App page](https://appshunter.io/ios/app/pro/id6749520989)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 特价月度会员 | $1.99 | per month |
| 特惠年度会员 | $6.99 | per year |
| 终身会员 | $9.99 | one-time |


## Frequently asked questions

### Is GreatDays free?

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

### Is 把脉 Pro free?

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

### Do GreatDays or 把脉 Pro have ads?

Neither GreatDays nor 把脉 Pro shows ads.

### Which is updated more often, GreatDays or 把脉 Pro?

GreatDays ships an update every 5 months, and 把脉 Pro every 5 months. Most recently, GreatDays was updated on October 9, 2026 and 把脉 Pro on October 6, 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.*