# L'Observatoire des Odeurs vs Plotly

The clearest difference is in-app purchases: L'Observatoire des Odeurs at none against Plotly's 1. L'Observatoire des Odeurs also leads on device support (3 vs 1). Plotly's advantage is update cadence (every 3 days vs every 2 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Plotly sells 1 one-off in-app purchase. L'Observatoire des Odeurs asks for nothing beyond the download.

L'Observatoire des Odeurs ships an update every 2 weeks, Plotly every 3 days. The most recent releases landed on September 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | L'Observatoire des Odeurs | Plotly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 64 MB | 1 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Keyclic](https://appshunter.io/developer/938074975) | [Jhomar Maravillas](https://appshunter.io/developer/6783703541) |

## What reviewers say

### L'Observatoire des Odeurs

[App page](https://appshunter.io/ios/app/lobservatoire-des-odeurs/id1446550311)

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

**In-app purchases:** none


### Plotly

[App page](https://appshunter.io/ios/app/plotly-stage-plot-maker/id6792488544)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is L'Observatoire des Odeurs free?

L'Observatoire des Odeurs is free to download, with no in-app purchases.

### Is Plotly free?

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

### Do L'Observatoire des Odeurs or Plotly have ads?

Neither L'Observatoire des Odeurs nor Plotly shows ads.

### Which is updated more often, L'Observatoire des Odeurs or Plotly?

L'Observatoire des Odeurs ships an update every 2 weeks, and Plotly every 3 days. Most recently, L'Observatoire des Odeurs was updated on September 17, 2026 and Plotly on September 27, 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.*