# Drouot Estimations vs QuarterC

The clearest difference is ads: Drouot Estimations at none against QuarterC's shown. QuarterC's advantage is update cadence (every 2 weeks vs every 14 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

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

Drouot Estimations ships an update every 14 months, QuarterC every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Drouot Estimations | QuarterC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Size | 20 MB | 45 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Drouot Estimations](https://appshunter.io/developer/1502224203) | [Izhak Aktas](https://appshunter.io/developer/1801029943) |

## What reviewers say

### Drouot Estimations

[App page](https://appshunter.io/ios/app/drouot-estimations/id1502224204)

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

**In-app purchases:** none


### QuarterC

[App page](https://appshunter.io/ios/app/quarterc/id6749919223)

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

**In-app purchases:** none


## Frequently asked questions

### Is Drouot Estimations free?

Drouot Estimations is free to download, with no in-app purchases.

### Is QuarterC free?

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

### Do Drouot Estimations or QuarterC have ads?

QuarterC shows ads; Drouot Estimations does not.

### Which is updated more often, Drouot Estimations or QuarterC?

Drouot Estimations ships an update every 14 months, and QuarterC every 2 weeks. Most recently, Drouot Estimations was updated on October 25, 2026 and QuarterC on October 24, 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.*