# Air Esscentials 2.0 vs UPMR Tools

The clearest difference is rating: UPMR Tools at 5.0 against Air Esscentials 2.0's 3.1. Air Esscentials 2.0's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (10 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

UPMR Tools holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Air Esscentials 2.0 has 10 ratings behind it against 1, so its average is the more settled of the two.

Air Esscentials 2.0 ships an update every 3 weeks, UPMR Tools every 3 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Air Esscentials 2.0 | UPMR Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (10 ratings)](https://appshunter.io/ios/app/air-esscentials-20/id1601922411/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/upmr-tools/id6739284967/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 29 MB | 27 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Air Esscentials Inc.](https://appshunter.io/developer/1493612051) | [United Precious Metal Refining, Inc.](https://appshunter.io/developer/1784671872) |

## What reviewers say

### Air Esscentials 2.0

[App page](https://appshunter.io/ios/app/air-esscentials-20/id1601922411)

Control and program your scent diffusers wirelessly. Easily set up custom fragrance schedules and preferences in minutes via Bluetooth connection.

**Highlights:** Program scent settings, Bluetooth connectivity, Connect to AE1000, AE2501, AE3500 diffusers, Custom fragrance schedules, Wireless control

**Features:** macOS Compatibility

**In-app purchases:** none


### UPMR Tools

[App page](https://appshunter.io/ios/app/upmr-tools/id6739284967)

This app provides essential tools and data for jewelry industry professionals. It includes calculators for scrap valuation, karat calculations, and conversions, along with real-time precious metal spot prices.

**Highlights:** Scrap valuation calculator, Karat calculation for casting, Unit conversions, Precious metal spot prices, Gold, Silver, Platinum, Palladium tracking

**In-app purchases:** none


## Frequently asked questions

### Is Air Esscentials 2.0 free?

Air Esscentials 2.0 is free to download, with no in-app purchases.

### Is UPMR Tools free?

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

### Which has better reviews, Air Esscentials 2.0 or UPMR Tools?

UPMR Tools is rated higher. Air Esscentials 2.0 averages 3.1 out of 5 from 10 ratings, while UPMR Tools averages 5.0 from 1 ratings.

### Do Air Esscentials 2.0 or UPMR Tools have ads?

Neither Air Esscentials 2.0 nor UPMR Tools shows ads.

### Which is updated more often, Air Esscentials 2.0 or UPMR Tools?

Air Esscentials 2.0 ships an update every 3 weeks, and UPMR Tools every 3 months. Most recently, Air Esscentials 2.0 was updated on October 24, 2026 and UPMR Tools on October 28, 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.*