# APIreaderPro vs Aspect Ratio Pro

The clearest difference is rating: APIreaderPro at 5.0 against Aspect Ratio Pro's 4.0. APIreaderPro also leads on update cadence (every 4 days vs every 3 weeks) and price ($0.99 vs $3.99). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

APIreaderPro costs $0.99 and Aspect Ratio Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

APIreaderPro holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

APIreaderPro ships an update every 4 days, Aspect Ratio Pro every 3 weeks. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | APIreaderPro | Aspect Ratio Pro |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/apireaderpro/id6484505044/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/aspect-ratio-pro/id6747417099/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 2 MB | 24 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Josep Vicent Ibanez Piera](https://appshunter.io/developer/1740562168) | [App ahead GmbH](https://appshunter.io/developer/955848754) |

## What reviewers say

### APIreaderPro

[App page](https://appshunter.io/ios/app/apireaderpro/id6484505044)

This utility app helps developers debug and showcase APIs by parsing endpoint responses from specific keys. It offers a streamlined process for managing API interactions on mobile devices.

**Highlights:** API endpoint response parsing, Parse from specific keys, Debug API interactions, Showcase API functionality, Streamlined mobile API management

**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 APIreaderPro free?

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

### Is Aspect Ratio Pro free?

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

### Which has better reviews, APIreaderPro or Aspect Ratio Pro?

APIreaderPro is rated higher. APIreaderPro averages 5.0 out of 5 from 1 ratings, while Aspect Ratio Pro averages 4.0 from 1 ratings.

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

Neither APIreaderPro nor Aspect Ratio Pro shows ads.

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

APIreaderPro ships an update every 4 days, and Aspect Ratio Pro every 3 weeks. Most recently, APIreaderPro was updated on September 11, 2026 and Aspect Ratio Pro on September 10, 2026.

---

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