# uSpectrum PAR vs Dog Dooty

The clearest difference is rating: Dog Dooty at 5.0 against uSpectrum PAR's 1.0. Dog Dooty also leads on update cadence (fortnightly vs every 8 months). uSpectrum PAR's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

Dog Dooty holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

uSpectrum PAR ships an update every 8 months, Dog Dooty fortnightly. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | uSpectrum PAR | Dog Dooty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/uspectrum-par/id1466017397/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dog-dooty/id6775974794/reviews)** |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | **Free** | Ad-supported |
| Size | 25 MB | 10 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [United Power Research Technology Corporation](https://appshunter.io/developer/1501316337) | [Robert Russell](https://appshunter.io/developer/6775974796) |

## What reviewers say

### uSpectrum PAR

[App page](https://appshunter.io/ios/app/uspectrum-par/id1466017397)

This application connects wirelessly to a handheld spectral PAR meter, allowing remote analysis and configuration of light sources. It displays detailed spectral data, light source information, and absorption metrics, with options to save and share measurements.

**Highlights:** Wireless Bluetooth connection, Remote light source analysis, Save captured data, Display spectrum and CIE diagrams, View light source metrics (LUX, CCT, CRI), Share measured data via email

**Features:** macOS Compatibility

**In-app purchases:** none


### Dog Dooty

[App page](https://appshunter.io/ios/app/dog-dooty/id6775974794)

Easily log your dog's bathroom breaks, walks, meals, and medications. Get overdue alerts and sync with family members for shared dog duty. Works offline or with optional family sharing.

**Highlights:** One-tap logging for pee, poop, or both, Overdue alerts for dog duty, Track multiple dogs, Customizable reminders, Optional Family Pack sync, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is uSpectrum PAR free?

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

### Is Dog Dooty free?

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

### Which has better reviews, uSpectrum PAR or Dog Dooty?

Dog Dooty is rated higher. uSpectrum PAR averages 1.0 out of 5 from 3 ratings, while Dog Dooty averages 5.0 from 1 ratings.

### Do uSpectrum PAR or Dog Dooty have ads?

Dog Dooty shows ads; uSpectrum PAR does not.

### Which is updated more often, uSpectrum PAR or Dog Dooty?

uSpectrum PAR ships an update every 8 months, and Dog Dooty fortnightly. Most recently, uSpectrum PAR was updated on October 21, 2026 and Dog Dooty on October 5, 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.*