# POL Guide vs Progressive Identifier for ECP

The clearest difference is rating: POL Guide at 5.0 against Progressive Identifier for ECP's 4.4. POL Guide also leads on in-app purchases (none vs 2) and iOS requirement (12.0 vs 18.0). Progressive Identifier for ECP's advantage is ratings volume (36 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Progressive Identifier for ECP sells 2 in-app purchases, starting at $4.99 per month. POL Guide asks for nothing beyond the download.

POL Guide holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Progressive Identifier for ECP has 36 ratings behind it against 4, so its average is the more settled of the two.

POL Guide ships an update every 16 months, Progressive Identifier for ECP every 14 months. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | POL Guide | Progressive Identifier for ECP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pol-guide/id927969758/reviews)** | [4.4 (36 ratings)](https://appshunter.io/ios/app/progressive-identifier-for-ecp/id1365601702/reviews) |
| Number of ratings | 4 | **36** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 14 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 213 MB | 20 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [POL DOO BEOGRAD](https://appshunter.io/developer/1495537241) | [Lens Shapers](https://appshunter.io/developer/1279463389) |

## What reviewers say

### POL Guide

[App page](https://appshunter.io/ios/app/pol-guide/id927969758)

This app helps opticians visually demonstrate the distinctions between various lens materials, index types, and coatings to their clients. It serves as a professional tool for optical practices to enhance customer understanding and sales.

**Highlights:** Demonstrate lens material differences, Explain index types, Showcase lens coatings, Professional tool for opticians

**Features:** macOS Compatibility

**In-app purchases:** none


### Progressive Identifier for ECP

[App page](https://appshunter.io/ios/app/progressive-identifier-for-ecp/id1365601702)

This app helps identify progressive lenses by their engravings or names. It provides detailed information on over 1200 lenses, including availability, materials, and fitting heights. Search visually or by text for engravings and lens details.

**Highlights:** Identify lenses by engraving or name, Detailed lens information (materials, fitting height), Search engravings visually or by text, Over 1200 lenses and engravings, Data for USA, Canada, Germany, UK, Includes digital, therapeutic, and anti-fatigue lenses

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is POL Guide free?

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

### Is Progressive Identifier for ECP free?

Progressive Identifier for ECP is free to download, with in-app purchases available.

### Which has better reviews, POL Guide or Progressive Identifier for ECP?

POL Guide is rated higher. POL Guide averages 5.0 out of 5 from 4 ratings, while Progressive Identifier for ECP averages 4.4 from 36 ratings.

### Do POL Guide or Progressive Identifier for ECP have ads?

Neither POL Guide nor Progressive Identifier for ECP shows ads.

### Which is updated more often, POL Guide or Progressive Identifier for ECP?

POL Guide ships an update every 16 months, and Progressive Identifier for ECP every 14 months. Most recently, POL Guide was updated on September 9, 2026 and Progressive Identifier for ECP on September 13, 2026.

---

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