# 集梦盒 vs Date Calculator

The clearest difference is in-app purchases: 集梦盒 at none against Date Calculator's 4. 集梦盒 also leads on iOS requirement (12.0 vs 17.3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Date Calculator sells 4 in-app purchases, starting at $3.99 per 7 days. 集梦盒 asks for nothing beyond the download.

集梦盒 ships an update every 2 weeks, Date Calculator every 9 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 集梦盒 | Date Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/date-calculator-datemath/id6773030545/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 59 MB | 4 MB |
| Requires iOS | **12.0** | 17.3 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Hongchuang Zhiyun (Shenyang) Intelligent Network Technology Co., Ltd.](https://appshunter.io/developer/1807905385) | [亦彬 潘](https://appshunter.io/developer/1522872222) |

## What reviewers say

### 集梦盒

[App page](https://appshunter.io/ios/app/id6744575565)

**Features:** macOS Compatibility

**In-app purchases:** none


### Date Calculator

[App page](https://appshunter.io/ios/app/date-calculator-datemath/id6773030545)

Easily calculate the duration between two dates, with options for minute-level precision. Customize themes and languages for a personalized experience. Enjoy local calculations without needing an account.

**Highlights:** Calculate days between dates, Optional time selection for minute precision, Clean, native iOS design, Theme and language settings, Local calculation without account

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is 集梦盒 free?

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

### Is Date Calculator free?

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

### Do 集梦盒 or Date Calculator have ads?

Neither 集梦盒 nor Date Calculator shows ads.

### Which is updated more often, 集梦盒 or Date Calculator?

集梦盒 ships an update every 2 weeks, and Date Calculator every 9 days. Most recently, 集梦盒 was updated on October 25, 2026 and Date Calculator on October 8, 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.*