# OptiExpert™ vs ABO

The clearest difference is rating: OptiExpert™ at 4.0 against ABO's 3.4. OptiExpert™ also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OptiExpert™ holds the better App Store score, 4.0 against 3.4. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews complicate that: 22% of OptiExpert™'s written reviews are positive against 25% of ABO's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 13, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | OptiExpert™ | ABO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (7 ratings)](https://appshunter.io/ios/app/optiexpert/id922445936/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/abo-ncle-certifications/id6741852627/reviews) |
| Number of ratings | **7** | 5 |
| Positive reviews | 22.2% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 63 MB | 51 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CooperVision, Inc.](https://appshunter.io/developer/922445935) | [American Board of Opticianry & National Contact Lens Examiners](https://appshunter.io/developer/1795904773) |

## What reviewers say

### OptiExpert™

[App page](https://appshunter.io/ios/app/optiexpert/id922445936)

This app assists eye care professionals in managing contact lens wearers. It offers tools for prescription calculation, axial length estimation, cost comparison, and grading contact lens complications with visual aids. It also supports patient education and secure record-keeping.

**Highlights:** Prescription Calculator, Axial Length Estimator, Cost Comparison Calculator, Efron Grading Scale, Patient Image Storage, Multilingual Support

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

**In-app purchases:** none


### ABO

[App page](https://appshunter.io/ios/app/abo-ncle-certifications/id6741852627)

Stay updated with your opticianry certifications and renewals. Access important documents, manage your digital wallet card with QR code, and register for exams. This app keeps you informed about news and events in the opticianry field.

**Highlights:** News Feed, Event Calendar, Digital Wallet Card with QR code, Certification Hub access, Certification Renewals, Exam Registration

**In-app purchases:** none


## Frequently asked questions

### Is OptiExpert™ free?

OptiExpert™ is free to download, with no in-app purchases.

### Is ABO free?

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

### Which has better reviews, OptiExpert™ or ABO?

OptiExpert™ is rated higher. OptiExpert™ averages 4.0 out of 5 from 7 ratings, while ABO averages 3.4 from 5 ratings.

### Do OptiExpert™ or ABO have ads?

ABO shows ads; OptiExpert™ does not.

### Which is updated more often, OptiExpert™ or ABO?

OptiExpert™ ships an update every 3 months, and ABO every 3 months. Most recently, OptiExpert™ was updated on September 13, 2026 and ABO on September 4, 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.*