# Lumibear vs Aspect Ratio Pro

The clearest difference is price: Lumibear at Free against Aspect Ratio Pro's $3.99. Lumibear also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (15.6 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

Lumibear is free to download; Aspect Ratio Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lumibear ships an update weekly, Aspect Ratio Pro every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lumibear | Aspect Ratio Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/aspect-ratio-pro/id6747417099/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | — | Paid |
| Size | 6 MB | 42 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPhone, iPod | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Jianshijue Media Co., Ltd.](https://appshunter.io/developer/1799841536) | [App ahead GmbH](https://appshunter.io/developer/955848754) |

## What reviewers say

### Lumibear

[App page](https://appshunter.io/ios/app/lumibear/id6742806876)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aspect Ratio Pro

[App page](https://appshunter.io/ios/app/aspect-ratio-pro/id6747417099)

This app helps you quickly solve for an unknown value in a proportion. Simply input three known numbers, and it will calculate the fourth, making ratio and proportion calculations effortless.

**Highlights:** Rule of three calculations, Instant fourth value calculation, Ratio and proportion solver, Intuitive input interface, Supports iPhone and Mac

**In-app purchases:** none


## Frequently asked questions

### Is Lumibear free?

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

### Is Aspect Ratio Pro free?

Aspect Ratio Pro costs $3.99, with no in-app purchases.

### Do Lumibear or Aspect Ratio Pro have ads?

Neither Lumibear nor Aspect Ratio Pro shows ads.

### Which is updated more often, Lumibear or Aspect Ratio Pro?

Lumibear ships an update weekly, and Aspect Ratio Pro every 3 weeks. Most recently, Lumibear was updated on October 25, 2026 and Aspect Ratio Pro on October 24, 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.*