# Calculator‰ vs Secured Notes

The clearest difference is ads: Secured Notes at none against Calculator‰'s shown. Secured Notes also leads on update cadence (weekly vs every 4 months). Calculator‰'s advantage is iOS requirement (10.0 vs 13.0). On price, 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.

Calculator‰ ships an update every 4 months, Secured Notes weekly. The most recent releases landed on September 24, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Calculator‰ | Secured Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (409K ratings)](https://appshunter.io/ios/app/calculator/id486645049/reviews)** | — |
| Number of ratings | **409K** | — |
| Positive reviews | 69.9% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 39 MB | 3 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Tim O's Studios, LLC](https://appshunter.io/developer/412839685) | [PLATINUM CODE SDN. BHD.](https://appshunter.io/developer/1134805511) |

## What reviewers say

### Calculator‰

[App page](https://appshunter.io/ios/app/calculator/id486645049)

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

**Highlights:** Large buttons, Clear display, Fast calculations, Intuitive layout, Retina Display support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Large, clear buttons
- 👍 Accurate calculations
- 👍 Simple, no-frills design
- 👍 Reliable and stable

**What reviewers complain about**

- 🔍 Lack of advanced features
- 💰 Ads can be intrusive
- 🔒 Concerns about security/malware
- 🐛 Occasional bugs and glitches

**Reported bugs**

- Calculations sometimes incorrect
- App crashing or freezing

**Requested features**

- Percentage key in portrait mode
- Option to remove ads (paid version)
- More customization options
- Memory function


### Secured Notes

[App page](https://appshunter.io/ios/app/secured-notes/id6446810588)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator‰ free?

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

### Is Secured Notes free?

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

### Do Calculator‰ or Secured Notes have ads?

Calculator‰ shows ads; Secured Notes does not.

### Which is updated more often, Calculator‰ or Secured Notes?

Calculator‰ ships an update every 4 months, and Secured Notes weekly. Most recently, Calculator‰ was updated on September 24, 2026 and Secured Notes on May 17, 2026.

---

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