# PSL vs Ophthalmic Instruments

The clearest difference is ads: PSL at none against Ophthalmic Instruments's shown. PSL also leads on update cadence (every 3 months vs every 34 months) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PSL ships an update every 3 months, Ophthalmic Instruments every 34 months. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | PSL | Ophthalmic Instruments |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/psl/id1524216047/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 34 months |
| Monetization | **Free** | Ad-supported |
| Size | 37 MB | 32 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Remidio Innovative solutions Private Limited](https://appshunter.io/developer/1104596241) | [Roman Moiseev](https://appshunter.io/developer/1877504595) |

## What reviewers say

### PSL

[App page](https://appshunter.io/ios/app/psl/id1524216047)

This medical imaging tool captures and documents anterior segment eye conditions using a handheld digital device. It facilitates photo and video recording for diagnosis, report generation, and secure wireless sharing. The application supports tele-ophthalmology for remote consultations and is HIPAA and GDPR compliant.

**Highlights:** Handheld digital anterior segment imaging, Photo and video documentation of eye pathologies, Report generation and printing, Wireless sharing of images/videos, Tele-ophthalmology compatible, HIPAA and GDPR compliant

**In-app purchases:** none


### Ophthalmic Instruments

[App page](https://appshunter.io/ios/app/ophthalmic-instruments/id1666850241)

Access a comprehensive library of over 270 high-quality images of ophthalmic instruments, each with clear descriptions. Navigate effortlessly with an intuitive interface and test your knowledge with an interactive quiz mode.

**Highlights:** 270+ high-quality images, Clear, concise descriptions, Intuitive interface, Interactive knowledge check mode

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PSL free?

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

### Is Ophthalmic Instruments free?

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

### Do PSL or Ophthalmic Instruments have ads?

Ophthalmic Instruments shows ads; PSL does not.

### Which is updated more often, PSL or Ophthalmic Instruments?

PSL ships an update every 3 months, and Ophthalmic Instruments every 34 months. Most recently, PSL was updated on October 10, 2026 and Ophthalmic Instruments on October 17, 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.*