# calcS16lite vs Private Notes

The clearest difference is update cadence: Private Notes at fortnightly against calcS16lite's every 6 weeks. calcS16lite's advantage is iOS requirement (13.0 vs 18.6). 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.

calcS16lite ships an update every 6 weeks, Private Notes fortnightly. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | calcS16lite | Private Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/calcs16lite/id876927510/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [uto toshiki](https://appshunter.io/developer/876927513) | [Talal Aslam](https://appshunter.io/developer/1875842707) |

## What reviewers say

### calcS16lite

[App page](https://appshunter.io/ios/app/calcs16lite/id876927510)

A free calculator app offering hexadecimal calculations, variable font sizes, and metric prefix support. It features a moving view for typing accuracy and a clock display after 30 seconds of inactivity. The background color changes based on the time of day.

**Highlights:** Hexadecimal calculation, Moving-view for typing accuracy, Variable font size, Metric prefix support, SplitView/SlideView support (iPad), Clock display, Time-based background color

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

**In-app purchases:** none


### Private Notes

[App page](https://appshunter.io/ios/app/private-notes-locknotes/id6759080631)

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

**In-app purchases:** none


## Frequently asked questions

### Is calcS16lite free?

calcS16lite is free to download, with no in-app purchases.

### Is Private Notes free?

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

### Do calcS16lite or Private Notes have ads?

Neither calcS16lite nor Private Notes shows ads.

### Which is updated more often, calcS16lite or Private Notes?

calcS16lite ships an update every 6 weeks, and Private Notes fortnightly. Most recently, calcS16lite was updated on October 8, 2026 and Private Notes on September 30, 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.*