# FLEX Gold™ Vivid vs U

The clearest difference is rating: U at 5.0 against FLEX Gold™ Vivid's 3.0. FLEX Gold™ Vivid's advantage is ratings volume (21 vs 1) and iOS requirement (11.0 vs 14). On price, update cadence, ads 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.

U holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: FLEX Gold™ Vivid has 21 ratings behind it against 1, so its average is the more settled of the two.

FLEX Gold™ Vivid ships an update every 3 months, U every 2 months. The most recent releases landed on September 29, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | FLEX Gold™ Vivid | U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (21 ratings)](https://appshunter.io/ios/app/flex-gold-vivid/id1370896785/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/u-level/id1448340593/reviews)** |
| Number of ratings | **21** | 1 |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 4 MB | 18 MB |
| Requires iOS | **11.0** | 14 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Toro Company](https://appshunter.io/developer/625274713) | [Mike East](https://appshunter.io/developer/1459101077) |

## What reviewers say

### FLEX Gold™ Vivid

[App page](https://appshunter.io/ios/app/flex-gold-vivid/id1370896785)

Control your Bluetooth-enabled LED lamps with this utility app. Customize zones, name individual lamps, and adjust color temperature, RGB colors, and dimming levels for personalized lighting.

**Highlights:** Bluetooth enabled control, Zone and lamp naming, Adjustable color temperature, RGB color options, Dimming functionality

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-level/id1448340593)

This professional tool allows construction professionals to precisely measure 3D terrain and hardscape elements. It captures X, Y, and Z coordinates, calculates slope percentages, and displays elevation above sea level. Users can save, email, or upload survey data directly into CAD software for accurate job bidding.

**Highlights:** 3D X,Y,Z measurement plotting, Save, email, and upload survey data, Direct CAD integration, Calculate % of slope, Feet above sea level elevation, Photos with data, Compass functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FLEX Gold™ Vivid free?

FLEX Gold™ Vivid is free to download, with no in-app purchases.

### Is U free?

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

### Which has better reviews, FLEX Gold™ Vivid or U?

U is rated higher. FLEX Gold™ Vivid averages 3.0 out of 5 from 21 ratings, while U averages 5.0 from 1 ratings.

### Do FLEX Gold™ Vivid or U have ads?

Neither FLEX Gold™ Vivid nor U shows ads.

### Which is updated more often, FLEX Gold™ Vivid or U?

FLEX Gold™ Vivid ships an update every 3 months, and U every 2 months. Most recently, FLEX Gold™ Vivid was updated on September 29, 2026 and U 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.*