# Sona vs UPMR Tools

The clearest difference is in-app purchases: UPMR Tools at none against Sona's 3. UPMR Tools also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.1). Sona's advantage is update cadence (every 3 weeks vs every 3 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Sona sells 3 one-off in-app purchases. UPMR Tools asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sona against 5.0 for UPMR Tools. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Sona ships an update every 3 weeks, UPMR Tools every 3 months. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sona | UPMR Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sona-a-gold-app/id1659457089/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/upmr-tools/id6739284967/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 27 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yush Raj Kapoor](https://appshunter.io/developer/1730789147) | [United Precious Metal Refining, Inc.](https://appshunter.io/developer/1784671872) |

## What reviewers say

### Sona

[App page](https://appshunter.io/ios/app/sona-a-gold-app/id1659457089)

This app helps you organize items made of gold with a colorful interface. It provides current gold and currency rates, allows you to save and sync individual items across devices, and helps calculate fees for confident shopping.

**Highlights:** Organize gold items, View current gold rates, Currency conversion rates, Save and sync items, Calculate fees, Shop confidently

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Full Screen Ads | $0.99 | one-time |
| Remove All Ads | $0.99 | one-time |
| Remove All Ads | $1.99 | one-time |


### 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 Sona free?

Sona is free to download, with in-app purchases available.

### Is UPMR Tools free?

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

### Which has better reviews, Sona or UPMR Tools?

Sona and UPMR Tools are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Sona or UPMR Tools have ads?

Sona shows ads; UPMR Tools does not.

### Which is updated more often, Sona or UPMR Tools?

Sona ships an update every 3 weeks, and UPMR Tools every 3 months. Most recently, Sona was updated on October 12, 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.*