# LONGINES COLUMN vs sursector checking

The clearest difference is iOS requirement: LONGINES COLUMN at 6.0 against sursector checking's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | LONGINES COLUMN | sursector checking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/longines-column-wheel-chronograph/id1212777612/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | — |
| Size | 252 MB | 42 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Compagnie des Montres Longines Francillon SA](https://appshunter.io/developer/366643895) | [TOLTEC SA](https://appshunter.io/developer/1413786590) |

## What reviewers say

### LONGINES COLUMN

[App page](https://appshunter.io/ios/app/longines-column-wheel-chronograph/id1212777612)

Explore the intricate workings of a mechanical chronograph movement. This app allows virtual manipulation of a column-wheel chronograph, demonstrating its start, stop, and reset functions. Compare it with an alternative cam chronograph system.

**Highlights:** Demonstrates L688 column-wheel chronograph movement, Virtual manipulation of chronograph functions, Shows start, stop, and reset actions, Compares with cam chronograph system (L678), Highlights blue steel column-wheel

**In-app purchases:** none


### sursector checking

[App page](https://appshunter.io/ios/app/sursector-checking/id1518186618)

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

**In-app purchases:** none


## Frequently asked questions

### Is LONGINES COLUMN free?

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

### Is sursector checking free?

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

### Do LONGINES COLUMN or sursector checking have ads?

Neither LONGINES COLUMN nor sursector checking shows ads.

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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.*