# Calculator Plus History Record vs ZKeys

The clearest difference is rating: ZKeys at 5.0 against Calculator Plus History Record's 4.5. ZKeys also leads on in-app purchases (none vs 3) and ads (none vs shown). Calculator Plus History Record's advantage is ratings volume (15 vs 1) and iOS requirement (14.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Calculator Plus History Record sells 3 in-app purchases, starting at $3.99 per 6 months. ZKeys asks for nothing beyond the download.

ZKeys holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Calculator Plus History Record has 15 ratings behind it against 1, so its average is the more settled of the two.

Calculator Plus History Record ships an update every 3 weeks, ZKeys weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calculator Plus History Record | ZKeys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (15 ratings)](https://appshunter.io/ios/app/calculator-plus-history-record/id6478006331/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zkeys/id6817199335/reviews)** |
| Number of ratings | **15** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 15 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SUSAMP INFOTECH](https://appshunter.io/developer/1535920005) | [Zoltan Homorodi](https://appshunter.io/developer/1583313543) |

## What reviewers say

### Calculator Plus History Record

[App page](https://appshunter.io/ios/app/calculator-plus-history-record/id6478006331)

This calculator app keeps a running record of all your calculations, allowing you to easily review past computations. It offers customizable features like font size, number separators, and themes, and can even convert numbers to words. Upgrade to premium to add titles to calculations and remove ads.

**Highlights:** Real-time calculation history, Error-free basic calculations, Customizable keyboard and font size, Convert numbers to words, Save and sync calculations, Multiple themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Title & Remove Ads | $3.99 | per 6 months |
| Add Title & Remove Ads | $5.99 | per year |
| Add Note & Remove Ads | $7.99 | one-time |


### ZKeys

[App page](https://appshunter.io/ios/app/zkeys/id6817199335)

This keyboard app offers advanced autocorrect that understands finger placement and surrounding words to fix typos accurately. It supports multiple languages with dedicated word lists and allows for personalized typing experiences through swipe typing, custom shortcuts, and a learnable prediction engine.

**Highlights:** Advanced autocorrect based on finger placement, Support for four languages with dedicated word lists, Swipe typing and next-word predictions, Customizable shortcuts and symbol hints, Full-size iPad layout with dedicated keys, Voice dictation and voice memo transcription, Nine customizable themes and keyboard styles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Plus History Record free?

Calculator Plus History Record is free to download, with in-app purchases available.

### Is ZKeys free?

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

### Which has better reviews, Calculator Plus History Record or ZKeys?

ZKeys is rated higher. Calculator Plus History Record averages 4.5 out of 5 from 15 ratings, while ZKeys averages 5.0 from 1 ratings.

### Do Calculator Plus History Record or ZKeys have ads?

Calculator Plus History Record shows ads; ZKeys does not.

### Which is updated more often, Calculator Plus History Record or ZKeys?

Calculator Plus History Record ships an update every 3 weeks, and ZKeys weekly. Most recently, Calculator Plus History Record was updated on November 5, 2026 and ZKeys on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*