# Carit vs Driv.one

The clearest difference is in-app purchases: Driv.one at none against Carit's 2. Driv.one also leads on update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Carit sells 2 in-app purchases, starting at $8.99 per month. Driv.one asks for nothing beyond the download.

Carit ships an update fortnightly, Driv.one every 5 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Carit | Driv.one |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17 ratings)](https://appshunter.io/ios/app/carit/id6761501849/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 87 MB | 38 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atelier Barnard SL](https://appshunter.io/developer/1890007365) | [Mi Taller](https://appshunter.io/developer/6802339997) |

## What reviewers say

### Carit

[App page](https://appshunter.io/ios/app/carit/id6761501849)

This toolkit assists bench jewelers with calculations for ring sizing, metal valuation, stone dimensions, and alloy mixing. It offers a comprehensive reference library and quote building tools, with a free tier and a Pro version for advanced features.

**Highlights:** Ring size and stone size charts, Live precious metal spot prices, Metal value and casting weight calculators, Unit and alloy conversion tools, Model and reference library, Quote builder with export

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carit Pro Monthly Subscription | $8.99 | per month |
| Carit Pro Yearly Subscription | $69.99 | per year |


### Driv.one

[App page](https://appshunter.io/ios/app/drivone/id6806348680)

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

**In-app purchases:** none


## Frequently asked questions

### Is Carit free?

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

### Is Driv.one free?

Driv.one is free to download, with no in-app purchases.

### Do Carit or Driv.one have ads?

Neither Carit nor Driv.one shows ads.

### Which is updated more often, Carit or Driv.one?

Carit ships an update fortnightly, and Driv.one every 5 days. Most recently, Carit was updated on October 31, 2026 and Driv.one on October 29, 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.*