# CalliFactory vs Open Docs

The clearest difference is update cadence: Open Docs at every 3 weeks against CalliFactory's every 3 months. CalliFactory's advantage is iOS requirement (15.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CalliFactory ships an update every 3 months, Open Docs every 3 weeks. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | CalliFactory | Open Docs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/callifactory-text-on-photo/id1578477044/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 28 MB | 50 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sooyoung Choi](https://appshunter.io/developer/1161241887) | [Ho Dung](https://appshunter.io/developer/6805516667) |

## What reviewers say

### CalliFactory

[App page](https://appshunter.io/ios/app/callifactory-text-on-photo/id1578477044)

Easily add custom calligraphy and filters to your photos. Create personalized messages and share them with friends and family. No internet or sign-up required, just use your gallery images.

**Highlights:** Edit photos, Apply photo filters, Change calligraphy color, Share to social media, Offline use, No sign-up required

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

**In-app purchases:** none


### Open Docs

[App page](https://appshunter.io/ios/app/open-docs-document-viewer/id6806442426)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalliFactory free?

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

### Is Open Docs free?

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

### Do CalliFactory or Open Docs have ads?

Neither CalliFactory nor Open Docs shows ads.

### Which is updated more often, CalliFactory or Open Docs?

CalliFactory ships an update every 3 months, and Open Docs every 3 weeks. Most recently, CalliFactory was updated on October 19, 2026 and Open Docs on October 21, 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.*