# Back Ext. Counter! vs 喫煙カレンダー for watch

The clearest difference is price: Back Ext. Counter! at Free against 喫煙カレンダー for watch's $4.99. Back Ext. Counter! also leads on in-app purchases (none vs 3). 喫煙カレンダー for watch's advantage is update cadence (every 5 weeks vs every 4 months) and device support (3 vs 1). On ads and iOS requirement there is nothing between them.

Back Ext. Counter! is free to download; 喫煙カレンダー for watch costs $4.99 up front. 喫煙カレンダー for watch sells 3 in-app purchases, starting at $0.29 per 7 days. Back Ext. Counter! asks for nothing beyond the download.

Back Ext. Counter! ships an update every 4 months, 喫煙カレンダー for watch every 5 weeks. Both last shipped on September 10, 2026.

## The numbers

| Metric | Back Ext. Counter! | 喫煙カレンダー for watch |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/for-watch/id1629799106/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 49 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [Intersect](https://appshunter.io/developer/641416964) | [Tomohiro Sasaki](https://appshunter.io/developer/1291219090) |

## What reviewers say

### Back Ext. Counter!

[App page](https://appshunter.io/ios/app/back-ext-counter/id1365383530)

**In-app purchases:** none


### 喫煙カレンダー for watch

[App page](https://appshunter.io/ios/app/for-watch/id1629799106)

Track your smoking habits and visualize your consumption with this companion app for your smartwatch. Monitor daily cigarette counts, calculate spending, and review your history on a calendar. Ideal for those looking to quit or simply understand their smoking patterns.

**Highlights:** Log cigarette counts on Apple Watch, Calculate smoking expenses, Identify days of excessive smoking, Calendar view for historical review, Access all features of the main app, Utilize paid features of the main app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AIプレミアムプラン | $0.29 | per 7 days |
| AIプレミアムプラン | $0.99 | per month |
| プレミアムプラン | $9.99 | per year |


## Frequently asked questions

### Is Back Ext. Counter! free?

Back Ext. Counter! is free to download, with no in-app purchases.

### Is 喫煙カレンダー for watch free?

喫煙カレンダー for watch costs $4.99, and also offers in-app purchases.

### Do Back Ext. Counter! or 喫煙カレンダー for watch have ads?

Both Back Ext. Counter! and 喫煙カレンダー for watch show ads.

### Which is updated more often, Back Ext. Counter! or 喫煙カレンダー for watch?

Back Ext. Counter! ships an update every 4 months, and 喫煙カレンダー for watch every 5 weeks. Most recently, Back Ext. Counter! was updated on September 10, 2026 and 喫煙カレンダー for watch on September 10, 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.*