# Sight Reading Pro vs Proportia

The clearest difference is price: Proportia at $0.99 against Sight Reading Pro's $12.99. Proportia also leads on update cadence (daily vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Sight Reading Pro costs $12.99 and Proportia $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sight Reading Pro ships an update every 4 months, Proportia daily. The most recent releases landed on September 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sight Reading Pro | Proportia |
| --- | --- | --- |
| Price | $12.99 | **$0.99** |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/proportia/id6744179896/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | — | Paid |
| Size | 53 MB | 23 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Sokolov](https://appshunter.io/developer/1628122395) | [Cognichine](https://appshunter.io/developer/1806408356) |

## What reviewers say

### Sight Reading Pro

[App page](https://appshunter.io/ios/app/sight-reading-pro/id1670470570)

**Features:** macOS Compatibility

**In-app purchases:** none


### Proportia

[App page](https://appshunter.io/ios/app/proportia/id6744179896)

This app transforms numerical data into clear, proportional visual representations like circles, rectangles, or bars. It simplifies understanding ratios, comparing values, and building numeracy skills for students, educators, and professionals.

**Highlights:** Dynamic shape visualization (circles, bars, rectangles), Proportional resizing based on values, Interactive value entry with calculator, Customizable shape colors and settings, Real-time visual feedback, Clean, dark theme design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sight Reading Pro free?

Sight Reading Pro costs $12.99, with no in-app purchases.

### Is Proportia free?

Proportia costs $0.99, with no in-app purchases.

### Do Sight Reading Pro or Proportia have ads?

Neither Sight Reading Pro nor Proportia shows ads.

### Which is updated more often, Sight Reading Pro or Proportia?

Sight Reading Pro ships an update every 4 months, and Proportia daily. Most recently, Sight Reading Pro was updated on September 21, 2026 and Proportia on October 12, 2026.

---

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