# OptiKit vs Notifly App

The clearest difference is update cadence: OptiKit at every 3 weeks against Notifly App's every 3 months. Notifly App's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

OptiKit ships an update every 3 weeks, Notifly App every 3 months. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | OptiKit | Notifly App |
| --- | --- | --- |
| 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 months |
| Monetization | Free | — |
| Size | 20 MB | 71 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ronald Baks](https://appshunter.io/developer/1555952042) | [Ronald Douglas](https://appshunter.io/developer/1813855104) |

## 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


### Notifly App

[App page](https://appshunter.io/ios/app/notifly-app/id6745785595)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is OptiKit free?

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

### Is Notifly App free?

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

### Do OptiKit or Notifly App have ads?

Neither OptiKit nor Notifly App shows ads.

### Which is updated more often, OptiKit or Notifly App?

OptiKit ships an update every 3 weeks, and Notifly App every 3 months. Most recently, OptiKit was updated on September 9, 2026 and Notifly App on September 16, 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.*