# OptoFitting vs EyeScaler

The clearest difference is update cadence: EyeScaler at fortnightly against OptoFitting's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OptoFitting sells 2 in-app purchases, starting at $19.99 per month and EyeScaler sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OptoFitting ships an update monthly, EyeScaler fortnightly. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | OptoFitting | EyeScaler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optofitting/id1576655068/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 4 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Alireza Nazer](https://appshunter.io/developer/1576655070) | [建芳 马](https://appshunter.io/developer/1809381883) |

## What reviewers say

### 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 |


### EyeScaler

[App page](https://appshunter.io/ios/app/eyescaler/id6754126877)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EyeScale Lifetime PRO | $2.99 | one-time |


## Frequently asked questions

### Is OptoFitting free?

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

### Is EyeScaler free?

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

### Do OptoFitting or EyeScaler have ads?

Neither OptoFitting nor EyeScaler shows ads.

### Which is updated more often, OptoFitting or EyeScaler?

OptoFitting ships an update monthly, and EyeScaler fortnightly. Most recently, OptoFitting was updated on September 18, 2026 and EyeScaler on September 9, 2026.

---

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