# dem vs Odat

The clearest difference is in-app purchases: Odat at none against dem's 3. Odat also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). dem's advantage is update cadence (daily vs weekly). On price and ads there is nothing between them.

Both are free to download. dem sells 3 in-app purchases, starting at $4.99 per month. Odat asks for nothing beyond the download.

dem ships an update daily, Odat weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | dem | Odat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/dem/id6758947117/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | Freemium | — |
| Size | 4 MB | 39 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Tokmyrza Kakenov](https://appshunter.io/developer/1873972935) | [Karim Akhadov](https://appshunter.io/developer/1730494162) |

## What reviewers say

### dem

[App page](https://appshunter.io/ios/app/dem/id6758947117)

This app helps you gradually reduce smoking by tracking your cigarette consumption. It provides daily and weekly trends, calculates money saved, and encourages progress at your own pace. All data is stored locally and works offline.

**Highlights:** Track cigarette consumption, View daily and weekly trends, Calculate money saved, Gradual reduction approach, Local data storage, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| dem Monthly | $4.99 | per month |
| dem Half-year | $24.99 | per 6 months |
| dem Annual | $49.99 | per year |


### Odat

[App page](https://appshunter.io/ios/app/odat/id6788555775)

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

**In-app purchases:** none


## Frequently asked questions

### Is dem free?

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

### Is Odat free?

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

### Do dem or Odat have ads?

Neither dem nor Odat shows ads.

### Which is updated more often, dem or Odat?

dem ships an update daily, and Odat weekly. Most recently, dem was updated on October 28, 2026 and Odat on October 28, 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.*