# Nebula vs PerfectFit® Ring Sizer

The clearest difference is review sentiment: Nebula at 56% against PerfectFit® Ring Sizer's 0%. Nebula also leads on rating (4.5 vs 2.5) and ratings volume (251 vs 2). PerfectFit® Ring Sizer's advantage is update cadence (every 2 months vs every 6 months) and chart position (#198 vs unranked). On price, ads, in-app purchases and monetization model there is nothing between them.

Nebula costs $0.99 and PerfectFit® Ring Sizer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nebula holds the better App Store score, 4.5 against 2.5. That said, the two scores are not equally well evidenced: Nebula has 251 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 56% of Nebula's written reviews are positive against 0% of PerfectFit® Ring Sizer's.

Nebula ships an update every 6 months, PerfectFit® Ring Sizer every 2 months. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Nebula | PerfectFit® Ring Sizer |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[4.5 (251 ratings)](https://appshunter.io/ios/app/nebula-live-wallpapers/id1236194872/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/perfectfit-ring-sizer/id1525643957/reviews) |
| Number of ratings | **251** | 2 |
| Positive reviews | **55.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#198** |
| Size | 37 MB | 6 MB |
| Requires iOS | **10.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ronan Stark](https://appshunter.io/developer/968657679) | [Radius Technologies](https://appshunter.io/developer/1452970152) |

## What reviewers say

### Nebula

[App page](https://appshunter.io/ios/app/nebula-live-wallpapers/id1236194872)

Discover a vast collection of stunning, high-quality live wallpapers with fluid animations and vibrant colors. Generate custom live wallpapers from your music or voice, featuring animated sound waveforms. This app offers a unique way to personalize your device's background.

**Highlights:** Stunning live wallpaper collection, High-quality fluid animations, Vibrant colors, Generate live wallpapers from music, Generate live wallpapers from voice, Animated sound waveforms

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Stunning artwork and vibrant colors
- 🌟 Unique and out-of-this-world wallpapers
- 👍 Smooth animation and fluid wallpapers
- 🤩 Mesmerizing and captivating visuals
- 💯 Good representation of content

**What reviewers complain about**

- 🐛 Does not work/animates
- 💰 Users want refunds
- 📉 Poor quality/resolution loss
- ⏳ Wallpapers take too long to load
- 💥 App crashes frequently

**Reported bugs**

- Animations not working
- Wallpapers not loading
- App crashes when viewing wallpapers
- Music sync creator not working
- Border not working, only keyboard

**Requested features**

- Make animations work
- Improve wallpaper loading speed
- Ensure compatibility with all devices/iOS versions
- Provide high-resolution wallpapers for all phone sizes
- Fix music/sound functionality


### PerfectFit® Ring Sizer

[App page](https://appshunter.io/ios/app/perfectfit-ring-sizer/id1525643957)

**Currently charting:** #198 Top Paid · Lifestyle (US App Store)

Accurately measure your ring size for any finger using advanced technology. This app eliminates the need for manual fittings and seamlessly integrates with online jewelry stores, solving sizing issues for e-commerce.

**Highlights:** Accurate to 1/8 sizes, Works on any mobile device, International sizing conversion, E-commerce integration, Customizable skinning

**In-app purchases:** none


## Frequently asked questions

### Is Nebula free?

Nebula costs $0.99, with no in-app purchases.

### Is PerfectFit® Ring Sizer free?

PerfectFit® Ring Sizer costs $0.99, with no in-app purchases.

### Which has better reviews, Nebula or PerfectFit® Ring Sizer?

Nebula is rated higher. Nebula averages 4.5 out of 5 from 251 ratings, while PerfectFit® Ring Sizer averages 2.5 from 2 ratings.

### Do Nebula or PerfectFit® Ring Sizer have ads?

Neither Nebula nor PerfectFit® Ring Sizer shows ads.

### Which is updated more often, Nebula or PerfectFit® Ring Sizer?

Nebula ships an update every 6 months, and PerfectFit® Ring Sizer every 2 months. Most recently, Nebula was updated on October 19, 2026 and PerfectFit® Ring Sizer on October 14, 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.*