# Fitz Frames vs PopKnock

The clearest difference is rating: PopKnock at 5.0 against Fitz Frames's 3.7. PopKnock also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Fitz Frames's advantage is ratings volume (106 vs 4). On price, update cadence, 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.

PopKnock holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Fitz Frames has 106 ratings behind it against 4, so its average is the more settled of the two.

Fitz Frames ships an update every 4 weeks, PopKnock every 2 weeks. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Fitz Frames | PopKnock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (106 ratings)](https://appshunter.io/ios/app/fitz-frames-custom-eyewear/id1451230309/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/popknock/id6670556630/reviews)** |
| Number of ratings | **106** | 4 |
| Positive reviews | 45.9% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 75 MB | 28 MB |
| Requires iOS | 17.6 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fitz Custom QOZB, LLC](https://appshunter.io/developer/1876598358) | [PopKnock LLC](https://appshunter.io/developer/1735088138) |

## What reviewers say

### Fitz Frames

[App page](https://appshunter.io/ios/app/fitz-frames-custom-eyewear/id1451230309)

Design and order custom-fit, 3D-printed eyewear from the comfort of your home. Use a precise face scan and virtual try-on to find your perfect pair, delivered directly to your door. Enjoy stylish, comfortable glasses made just for you.

**Highlights:** Custom 3D-printed frames, Precise face scanning, Virtual try-on, Doorstep delivery, Curated stylish designs, Prescription, sunglasses, blue light options

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 💡 Innovative try-on feature
- 👍 Great fit and comfort
- 👍 Lightweight frames
- 👍 Custom sizing
- 💡 Good for kids and adults

**What reviewers complain about**

- 🐛 App compatibility issues
- 🐛 Try-on feature not working
- 🐛 Limited frame selection
- 🐛 Poor customer service
- 🐛 Orders not processed

**Reported bugs**

- App not compatible with iPhone 8 Plus and below
- Try-on feature fails to initiate
- Profile picture not captured
- Scanner not working
- PD measurement not readily accessible

**Requested features**

- Expand frame selection
- Improve app compatibility for older devices
- Provide clearer instructions for the scanner
- Make PD measurement more accessible


### PopKnock

[App page](https://appshunter.io/ios/app/popknock/id6670556630)

Discover local businesses and services with this app. Easily find in-store pickup options, book appointments for salons and spas, and make restaurant reservations. Enjoy exclusive discounts and savings on all your purchases with no service fees.

**Highlights:** Local business discovery, In-store pickup, Appointment booking, Restaurant reservations, Exclusive discounts, No service fees

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Fitz Frames free?

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

### Is PopKnock free?

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

### Which has better reviews, Fitz Frames or PopKnock?

PopKnock is rated higher. Fitz Frames averages 3.7 out of 5 from 106 ratings, while PopKnock averages 5.0 from 4 ratings.

### Do Fitz Frames or PopKnock have ads?

Fitz Frames shows ads; PopKnock does not.

### Which is updated more often, Fitz Frames or PopKnock?

Fitz Frames ships an update every 4 weeks, and PopKnock every 2 weeks. Most recently, Fitz Frames was updated on October 11, 2026 and PopKnock on October 3, 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.*