# 戒烟吧 vs Image Format Converter

The clearest difference is in-app purchases: Image Format Converter at none against 戒烟吧's 3. Image Format Converter also leads on update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 戒烟吧 sells 3 in-app purchases, starting at $0.99 per month. Image Format Converter asks for nothing beyond the download.

戒烟吧 ships an update every 5 weeks, Image Format Converter weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | 戒烟吧 | Image Format Converter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 23 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Wuhan 0908 Information Technology Co., Ltd.](https://appshunter.io/developer/1581391730) | [鑫哲 曹](https://appshunter.io/developer/6814910388) |

## What reviewers say

### 戒烟吧

[App page](https://appshunter.io/ios/app/id6761050124)

This app helps you understand your smoking habits by tracking every cigarette smoked, bought, or resisted. It provides detailed analysis of your behavior, including frequency, triggers, and brand preferences, visualized through charts and trends.

**Highlights:** Record smoking, buying, and resisted cigarettes, Analyze smoking frequency and patterns, Daily statistics with lung health trends, Data dashboard for overall trends, Visualize smoking behavior

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员包月 | $0.99 | per month |
| 会员3个月 | $1.99 | per 3 months |
| 会员包年 | $4.99 | per year |


### Image Format Converter

[App page](https://appshunter.io/ios/app/image-format-converter-pro/id6816689101)

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

**In-app purchases:** none


## Frequently asked questions

### Is 戒烟吧 free?

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

### Is Image Format Converter free?

Image Format Converter is free to download, with no in-app purchases.

### Do 戒烟吧 or Image Format Converter have ads?

Neither 戒烟吧 nor Image Format Converter shows ads.

### Which is updated more often, 戒烟吧 or Image Format Converter?

戒烟吧 ships an update every 5 weeks, and Image Format Converter weekly. Most recently, 戒烟吧 was updated on October 31, 2026 and Image Format Converter on October 31, 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.*