# Save by OpenArchive vs CalcKey

The clearest difference is in-app purchases: Save by OpenArchive at none against CalcKey's 2. Save by OpenArchive also leads on rating (4.3 vs 4.0). CalcKey's advantage is update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. CalcKey sells 2 in-app purchases, starting at $3.99 per month. Save by OpenArchive asks for nothing beyond the download.

Save by OpenArchive holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 14 and 10 respectively.

Save by OpenArchive ships an update every 2 months, CalcKey every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Save by OpenArchive | CalcKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (14 ratings)](https://appshunter.io/ios/app/save-by-openarchive/id1462212414/reviews)** | [4.0 (10 ratings)](https://appshunter.io/ios/app/calckey-calculator-keyboard/id6748647909/reviews) |
| Number of ratings | **14** | 10 |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 14 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [OpenArchive LLC](https://appshunter.io/developer/1743028379) | [Right Tracks IT Limited](https://appshunter.io/developer/1803615116) |

## What reviewers say

### Save by OpenArchive

[App page](https://appshunter.io/ios/app/save-by-openarchive/id1462212414)

This app allows users to securely archive and organize their mobile media. It provides tools for uploading, editing metadata, and sharing content to private servers or the Internet Archive, ensuring long-term preservation and control.

**Highlights:** Upload media to private servers or Internet Archive, Edit media metadata (location, notes), Flag media as 'significant', Batch edit media metadata, Organize media into project albums, Share to Save from other apps, Wi-Fi-only upload setting, Creative Commons licensing options

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

**In-app purchases:** none


### CalcKey

[App page](https://appshunter.io/ios/app/calckey-calculator-keyboard/id6748647909)

Perform calculations directly within any app using a smart keyboard extension. Get instant results for basic and scientific equations, with a history of your calculations. Enjoy a seamless typing experience and smart formatting.

**Highlights:** Keyboard calculator extension, Real-time results, Basic & scientific calculators, Calculation history, Smart formatting, Standalone app option

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcKey Pro Monthly | $3.99 | per month |
| One time purchase | $19.99 | one-time |


## Frequently asked questions

### Is Save by OpenArchive free?

Save by OpenArchive is free to download, with no in-app purchases.

### Is CalcKey free?

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

### Which has better reviews, Save by OpenArchive or CalcKey?

Save by OpenArchive is rated higher. Save by OpenArchive averages 4.3 out of 5 from 14 ratings, while CalcKey averages 4.0 from 10 ratings.

### Do Save by OpenArchive or CalcKey have ads?

Neither Save by OpenArchive nor CalcKey shows ads.

### Which is updated more often, Save by OpenArchive or CalcKey?

Save by OpenArchive ships an update every 2 months, and CalcKey every 3 weeks. Most recently, Save by OpenArchive was updated on November 3, 2026 and CalcKey on November 5, 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.*