# ScipherKey vs Nexus universal calculator

The clearest difference is in-app purchases: ScipherKey at none against Nexus universal calculator's 3. ScipherKey also leads on ads (none vs shown). Nexus universal calculator's advantage is update cadence (weekly vs every 10 months) and ratings volume (7 vs 1). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Nexus universal calculator sells 3 in-app purchases, starting at $2.99 per month. ScipherKey asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ScipherKey against 5.0 for Nexus universal calculator. That said, the two scores are not equally well evidenced: Nexus universal calculator has 7 ratings behind it against 1, so its average is the more settled of the two.

ScipherKey ships an update every 10 months, Nexus universal calculator weekly. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | ScipherKey | Nexus universal calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/scipherkey/id842429100/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/nexus-universal-calculator/id6746715232/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 67 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shahab Hamidi-Rad](https://appshunter.io/developer/842429103) | [Nataliia Vereshchak](https://appshunter.io/developer/1818074298) |

## What reviewers say

### ScipherKey

[App page](https://appshunter.io/ios/app/scipherkey/id842429100)

Securely store and synchronize sensitive data like passwords, financial details, documents, and images across your Apple devices without using the internet. Offers robust encryption and organizational tools for peace of mind.

**Highlights:** Cross-device data synchronization without internet, Military-grade 256-bit AES encryption, Password, credit card, document, and image storage, Customizable item fields, Built-in password generator, Fingerprint unlock support, Smart search functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Nexus universal calculator

[App page](https://appshunter.io/ios/app/nexus-universal-calculator/id6746715232)

A smart calculator that remembers your calculations, allows you to reuse results in new formulas, and includes unit and currency conversion. It offers cloud sync for seamless access across devices and a clean design for everyday use, budgeting, and studying.

**Highlights:** Calculator with history, Smart formula builder, Unit and currency converter, Cloud sync across devices, Clean and simple design, Reuse past results as variables

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Month | $2.99 | per month |
| Premium year | $9.99 | per year |
| Lifetime Premium Features | $199.00 | one-time |


## Frequently asked questions

### Is ScipherKey free?

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

### Is Nexus universal calculator free?

Nexus universal calculator is free to download, with in-app purchases available.

### Which has better reviews, ScipherKey or Nexus universal calculator?

ScipherKey and Nexus universal calculator are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.

### Do ScipherKey or Nexus universal calculator have ads?

Nexus universal calculator shows ads; ScipherKey does not.

### Which is updated more often, ScipherKey or Nexus universal calculator?

ScipherKey ships an update every 10 months, and Nexus universal calculator weekly. Most recently, ScipherKey was updated on September 23, 2026 and Nexus universal calculator on June 1, 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.*