# FYTOO vs DIFF Eyewear

The clearest difference is rating: DIFF Eyewear at 5.0 against FYTOO's 4.2. DIFF Eyewear also leads on review sentiment (78% vs 36%) and ads (none vs shown). FYTOO's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, update cadence and in-app purchases there is nothing between them.

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

DIFF Eyewear holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: DIFF Eyewear has 759 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 36% of FYTOO's written reviews are positive against 78% of DIFF Eyewear's.

FYTOO ships an update every 3 weeks, DIFF Eyewear every 5 weeks. The most recent releases landed on September 15, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | FYTOO | DIFF Eyewear |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (9 ratings)](https://appshunter.io/ios/app/fytoo-customize-your-glasses/id6636538170/reviews) | **[5.0 (759 ratings)](https://appshunter.io/ios/app/diff-eyewear/id6751604018/reviews)** |
| Number of ratings | 9 | **759** |
| Positive reviews | 35.7% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 187 MB | 58 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [MOJON INC.](https://appshunter.io/developer/1763012458) | [Fuego Studios](https://appshunter.io/developer/1645204246) |

## What reviewers say

### FYTOO

[App page](https://appshunter.io/ios/app/fytoo-customize-your-glasses/id6636538170)

Discover and customize stylish, affordable prescription glasses with a wide selection of frames and lenses. Find your perfect pair with advanced filters and enjoy secure payment options and guarantees.

**Highlights:** Customizable prescription glasses, Variety of frame styles, Protective lens options, Advanced filtering for frames, Secure payment methods, 30-day return policy

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

**In-app purchases:** none


### DIFF Eyewear

[App page](https://appshunter.io/ios/app/diff-eyewear/id6751604018)

Discover and shop for designer eyeglasses and sunglasses with exclusive offers and early access to new collections. Enjoy a seamless shopping experience with quick, secure checkout.

**Highlights:** Exclusive offers, Early access to new frames, Seamless shopping experience, Explore full collection, Secure and fast checkout

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

**In-app purchases:** none


## Frequently asked questions

### Is FYTOO free?

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

### Is DIFF Eyewear free?

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

### Which has better reviews, FYTOO or DIFF Eyewear?

DIFF Eyewear is rated higher. FYTOO averages 4.2 out of 5 from 9 ratings, while DIFF Eyewear averages 5.0 from 759 ratings.

### Do FYTOO or DIFF Eyewear have ads?

FYTOO shows ads; DIFF Eyewear does not.

### Which is updated more often, FYTOO or DIFF Eyewear?

FYTOO ships an update every 3 weeks, and DIFF Eyewear every 5 weeks. Most recently, FYTOO was updated on September 15, 2026 and DIFF Eyewear on September 25, 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.*