# Spectangle Pro vs OptoFitting

The clearest difference is in-app purchases: Spectangle Pro at none against OptoFitting's 2. OptoFitting's advantage is device support (3 vs 1). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. OptoFitting sells 2 in-app purchases, starting at $19.99 per month. Spectangle Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Spectangle Pro against 5.0 for OptoFitting. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Spectangle Pro ships an update every 5 weeks, OptoFitting monthly. The most recent releases landed on July 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Spectangle Pro | OptoFitting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/spectangle-pro/id978475340/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/optofitting/id1576655068/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2.2 GB | 16 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Hoya Lens Of Chicago, Inc.](https://appshunter.io/developer/536627155) | [Alireza Nazer](https://appshunter.io/developer/1576655070) |

## What reviewers say

### Spectangle Pro

[App page](https://appshunter.io/ios/app/spectangle-pro/id978475340)

This app uses a single image to capture precise eyewear measurements, aiding in frame selection and demonstrating lens benefits. It offers interactive augmented reality demos for various lens options and coatings.

**Highlights:** Eyewear measurements from one image, Frame selection comparison, Interactive lens demonstrations, Augmented reality lens demos, Multi-lingual support

**In-app purchases:** none


### OptoFitting

[App page](https://appshunter.io/ios/app/optofitting/id1576655068)

Streamline progressive and single-vision lens fitting with precise, repeatable measurements. This app guides you through capturing key fitting parameters using a 3D printed jig and your device, reducing errors and speeding up the process for eyewear professionals.

**Highlights:** Precise fitting measurements, Step-by-step workflow, 3D printable jig included, Tutorial videos and FAQs, Reduces fitting errors, Fast workflow for professionals

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month(+3 Month free) | $19.99 | per month |
| Premium 6 Month(+3 Month free) | $106.99 | per 6 months |


## Frequently asked questions

### Is Spectangle Pro free?

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

### Is OptoFitting free?

OptoFitting is free to download, with in-app purchases available.

### Which has better reviews, Spectangle Pro or OptoFitting?

Spectangle Pro and OptoFitting are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Spectangle Pro or OptoFitting have ads?

Neither Spectangle Pro nor OptoFitting shows ads.

### Which is updated more often, Spectangle Pro or OptoFitting?

Spectangle Pro ships an update every 5 weeks, and OptoFitting monthly. Most recently, Spectangle Pro was updated on July 9, 2026 and OptoFitting on September 18, 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.*