# Extinct vs Sober Calendar

The clearest difference is update cadence: Extinct at every 3 days against Sober Calendar's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Extinct sells 2 in-app purchases, starting at $4.99 per month and Sober Calendar sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Extinct ships an update every 3 days, Sober Calendar every 4 months. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Extinct | Sober Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/extinct-tsm-alcohol-tracker/id6770793071/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 months |
| Monetization | Freemium | — |
| Size | 27 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Ali3N Studios LLC](https://appshunter.io/developer/1881815512) | [Kuuloa LLC](https://appshunter.io/developer/6771636610) |

## What reviewers say

### Extinct

[App page](https://appshunter.io/ios/app/extinct-tsm-alcohol-tracker/id6770793071)

This app supports adults following The Sinclair Method to gradually reduce alcohol cravings. It offers tools for medication reminders, a drinking diary with a large beverage catalog, and progress tracking. Advanced features for deeper analysis and unlimited logging are available through a subscription.

**Highlights:** Medication reminder and countdown timer, Extensive drink catalog with country-specific options, Detailed drinking diary with mood and confirmation logging, Progress tracking and statistics dashboard, Achievement badges for clinical checkpoints, AI-powered companion for method-related questions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extinct Pro - Monthly | $4.99 | per month |
| Extinct Pro - Yearly | $34.99 | per year |


### Sober Calendar

[App page](https://appshunter.io/ios/app/sober-calendar-drink-tracker/id6782787836)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is Extinct free?

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

### Is Sober Calendar free?

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

### Do Extinct or Sober Calendar have ads?

Neither Extinct nor Sober Calendar shows ads.

### Which is updated more often, Extinct or Sober Calendar?

Extinct ships an update every 3 days, and Sober Calendar every 4 months. Most recently, Extinct was updated on October 31, 2026 and Sober Calendar on November 3, 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.*