# Calculator Sci Unit Converter vs Private Voice Notes

The clearest difference is iOS requirement: Calculator Sci Unit Converter at 13.0 against Private Voice Notes's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Calculator Sci Unit Converter costs $1.99 and Private Voice Notes $1.29 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Calculator Sci Unit Converter | Private Voice Notes |
| --- | --- | --- |
| Price | $1.99 | **$1.29** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/calculator-sci-unit-converter/id6772422667/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Paid | — |
| Size | 25 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, Mac, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) | [Myworkingmemory LLC](https://appshunter.io/developer/1892099684) |

## What reviewers say

### Calculator Sci Unit Converter

[App page](https://appshunter.io/ios/app/calculator-sci-unit-converter/id6772422667)

This app offers a robust calculator with both standard and scientific functions. It includes a unit converter for various measurements and currency, plus helpful shortcuts for percentages, taxes, and tips. All calculations are saved locally for easy access.

**Highlights:** Standard and scientific calculator modes, Unit conversion for length, weight, temperature, currency, Full calculation history log, Percentage, tax, and tip calculation shortcuts, Offline functionality, Optimized for phone and tablet

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

**In-app purchases:** none


### Private Voice Notes

[App page](https://appshunter.io/ios/app/private-voice-notes/id6779345022)

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Sci Unit Converter free?

Calculator Sci Unit Converter costs $1.99, with no in-app purchases.

### Is Private Voice Notes free?

Private Voice Notes costs $1.29, with no in-app purchases.

### Do Calculator Sci Unit Converter or Private Voice Notes have ads?

Neither Calculator Sci Unit Converter nor Private Voice Notes shows ads.

---

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