# Blurly vs Date Calculation Assistant

The clearest difference is in-app purchases: Blurly at none against Date Calculation Assistant's 2. Date Calculation Assistant's advantage is update cadence (every 5 days vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Date Calculation Assistant sells 2 in-app purchases, starting at $0.99 per month. Blurly asks for nothing beyond the download.

Blurly ships an update every 3 weeks, Date Calculation Assistant every 5 days. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Blurly | Date Calculation Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 8 MB | 35 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andre Brito](https://appshunter.io/developer/1803249741) | [玉辉 黄](https://appshunter.io/developer/1852393919) |

## What reviewers say

### Blurly

[App page](https://appshunter.io/ios/app/blurly/id6749858704)

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

**In-app purchases:** none


### Date Calculation Assistant

[App page](https://appshunter.io/ios/app/date-calculation-assistant/id6758889725)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $5.99 | per year |


## Frequently asked questions

### Is Blurly free?

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

### Is Date Calculation Assistant free?

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

### Do Blurly or Date Calculation Assistant have ads?

Neither Blurly nor Date Calculation Assistant shows ads.

### Which is updated more often, Blurly or Date Calculation Assistant?

Blurly ships an update every 3 weeks, and Date Calculation Assistant every 5 days. Most recently, Blurly was updated on September 24, 2026 and Date Calculation Assistant on September 13, 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.*