# Best Proportion Calc vs My SOFREL LogUp

The clearest difference is ads: My SOFREL LogUp at none against Best Proportion Calc's shown. Best Proportion Calc's advantage is iOS requirement (14.0 vs 16.6). On price, update cadence, 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.

Best Proportion Calc ships an update every 2 months, My SOFREL LogUp every 6 weeks. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Best Proportion Calc | My SOFREL LogUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/best-proportion-calc/id6474536406/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 4 MB | 52 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Denis Belmont](https://appshunter.io/developer/1174113984) | [LACROIX GROUP](https://appshunter.io/developer/1576311906) |

## What reviewers say

### Best Proportion Calc

[App page](https://appshunter.io/ios/app/best-proportion-calc/id6474536406)

Easily solve proportion problems with a simple and intuitive interface. This app uses the cross product method for quick and accurate calculations across various fields like finance and science. It's available offline and free to use.

**Highlights:** Intuitive proportion calculation, Cross product method for solving equations, Versatile for finance, science, and more, Offline functionality, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### My SOFREL LogUp

[App page](https://appshunter.io/ios/app/my-sofrel-logup/id6757790097)

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

**In-app purchases:** none


## Frequently asked questions

### Is Best Proportion Calc free?

Best Proportion Calc is free to download, with no in-app purchases.

### Is My SOFREL LogUp free?

My SOFREL LogUp is free to download, with no in-app purchases.

### Do Best Proportion Calc or My SOFREL LogUp have ads?

Best Proportion Calc shows ads; My SOFREL LogUp does not.

### Which is updated more often, Best Proportion Calc or My SOFREL LogUp?

Best Proportion Calc ships an update every 2 months, and My SOFREL LogUp every 6 weeks. Most recently, Best Proportion Calc was updated on October 1, 2026 and My SOFREL LogUp on October 14, 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.*