# CalUnity vs ZipScan

The clearest difference is rating: ZipScan at 5.0 against CalUnity's 1.0. CalUnity's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. ZipScan sells 2 in-app purchases, starting at $1.99 per month. CalUnity asks for nothing beyond the download.

ZipScan holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CalUnity | ZipScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/calunity/id6760173746/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zipscan-pdf-scanner-plus-ocr/id6801303102/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 66 MB | 2 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ronak Vakharia](https://appshunter.io/developer/1882961045) | [XU ZHENG](https://appshunter.io/developer/6790291317) |

## What reviewers say

### CalUnity

[App page](https://appshunter.io/ios/app/calunity/id6760173746)

Consolidate all your calendars from Google, Outlook, iCloud, and CalDAV into a single, AI-powered interface. Manage your schedule with natural language commands and enjoy smart conflict detection. Prioritizes user privacy with read-only access and encrypted data.

**Highlights:** Unified view of multiple calendar providers, AI calendar assistant with natural language, Smart conflict detection, Push notifications and reminders, Lightning-fast sync, Dark and light mode support

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

**In-app purchases:** none


### ZipScan

[App page](https://appshunter.io/ios/app/zipscan-pdf-scanner-plus-ocr/id6801303102)

Instantly scan documents into searchable PDFs with automatic cleanup and smart naming.  Import from photos, reorder pages, and export in various formats. Your data stays private on your device.

**Highlights:** Instant camera opening, Import from Photos, Copy recognized text, On-device OCR, Smart document naming, Small file sizes, Multi-page scanning

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZipScan Pro — Monthly | $1.99 | per month |
| ZipScan Pro — Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is CalUnity free?

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

### Is ZipScan free?

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

### Which has better reviews, CalUnity or ZipScan?

ZipScan is rated higher. CalUnity averages 1.0 out of 5 from 1 ratings, while ZipScan averages 5.0 from 2 ratings.

### Do CalUnity or ZipScan have ads?

Neither CalUnity nor ZipScan shows ads.

### Which is updated more often, CalUnity or ZipScan?

CalUnity ships an update every 2 weeks, and ZipScan every 2 weeks. Most recently, CalUnity was updated on October 31, 2026 and ZipScan on October 25, 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.*