# Carats vs Kode

The clearest difference is price: Carats at Free against Kode's $1.99. Kode's advantage is in-app purchases (none vs 2) and update cadence (every 3 days vs every 3 months). On ads, device support and iOS requirement there is nothing between them.

Carats is free to download; Kode costs $1.99 up front. Carats sells 2 in-app purchases, starting at $1.99 per month. Kode asks for nothing beyond the download.

Carats ships an update every 3 months, Kode every 3 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Carats | Kode |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/carats-gemstone-calculator/id429201473/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 12 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Verosocial Studio](https://appshunter.io/developer/354566841) | [Commanigy](https://appshunter.io/developer/379605563) |

## What reviewers say

### Carats

[App page](https://appshunter.io/ios/app/carats-gemstone-calculator/id429201473)

Easily calculate the carat weight of diamonds and gemstones by entering their dimensions. This tool is essential for jewelers, collectors, and anyone buying or selling precious stones, offering accurate and instant results.

**Highlights:** Carat weight calculation, Gemstone size determination, Gauge thickness converter, Area and distance conversion, Supports various facet styles, Extensive gemstone type database, Email calculation results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carats Pro | $1.99 | per month |
| Carats Pro | $14.99 | one-time |


### Kode

[App page](https://appshunter.io/ios/app/kode-authenticator/id6816741912)

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

**In-app purchases:** none


## Frequently asked questions

### Is Carats free?

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

### Is Kode free?

Kode costs $1.99, with no in-app purchases.

### Do Carats or Kode have ads?

Neither Carats nor Kode shows ads.

### Which is updated more often, Carats or Kode?

Carats ships an update every 3 months, and Kode every 3 days. Most recently, Carats was updated on October 29, 2026 and Kode on October 30, 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.*