# OptiKit vs Ghost Reader

OptiKit and Ghost Reader are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OptiKit | Ghost Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optikit/id6740053137/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 20 MB | 23 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ronald Baks](https://appshunter.io/developer/1555952042) | [Trofim Panasik](https://appshunter.io/developer/1809927555) |

## What reviewers say

### OptiKit

[App page](https://appshunter.io/ios/app/optikit/id6740053137)

This app serves as a comprehensive toolkit for opticians and optometrists, simplifying daily tasks. It offers features for prescription transposition, refraction calculation, and visual display of lens and depth of field information, aiding both new and experienced professionals.

**Highlights:** Prescription transposition with step-by-step guidance, Interactive exercises with instant feedback, Lens visualization with graphs, Depth of field visualization, Reading power calculation

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

**In-app purchases:** none


### Ghost Reader

[App page](https://appshunter.io/ios/app/ghost-reader-watch-documents/id6780258970)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OptiKit free?

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

### Is Ghost Reader free?

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

### Do OptiKit or Ghost Reader have ads?

Neither OptiKit nor Ghost Reader shows ads.

### Which is updated more often, OptiKit or Ghost Reader?

OptiKit ships an update every 3 weeks, and Ghost Reader every 3 weeks. Most recently, OptiKit was updated on October 12, 2026 and Ghost Reader on October 24, 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.*