# Gem Weight Estimator vs Note

The clearest difference is in-app purchases: Gem Weight Estimator at none against Note's 3. Gem Weight Estimator also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). Note's advantage is update cadence (every 3 months vs every 11 months). On price and device support there is nothing between them.

Both are free to download. Note sells 3 in-app purchases, starting at $4.99 per month. Gem Weight Estimator asks for nothing beyond the download.

Gem Weight Estimator ships an update every 11 months, Note every 3 months. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Gem Weight Estimator | Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/gem-weight-estimator/id941035288/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 17 MB | 38 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kennedy Ho](https://appshunter.io/developer/927311625) | [Jadavbhai Vekariya](https://appshunter.io/developer/1813323754) |

## What reviewers say

### Gem Weight Estimator

[App page](https://appshunter.io/ios/app/gem-weight-estimator/id941035288)

Quickly estimate the weight of faceted gemstones using their cutting style and dimensions. Archive this information with photos for future reference.

**Highlights:** Estimate gem weight, Input cutting style and dimensions, Archive weight data, Include stone photographs, Supports various gem materials

**In-app purchases:** none


### Note

[App page](https://appshunter.io/ios/app/note-ai-note-taker/id6746557440)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Half-year | $12.99 | per 6 months |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is Gem Weight Estimator free?

Gem Weight Estimator is free to download, with no in-app purchases.

### Is Note free?

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

### Do Gem Weight Estimator or Note have ads?

Note shows ads; Gem Weight Estimator does not.

### Which is updated more often, Gem Weight Estimator or Note?

Gem Weight Estimator ships an update every 11 months, and Note every 3 months. Most recently, Gem Weight Estimator was updated on October 3, 2026 and Note on October 15, 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.*