# Contour Detection vs Jike Image

The clearest difference is update cadence: Jike Image at weekly against Contour Detection's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Contour Detection ships an update fortnightly, Jike Image weekly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Contour Detection | Jike Image |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Size | 36 MB | 57 MB |
| Requires iOS | 17.7.2 | **16.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Qinhuangdao Leiyang Technology Co., Ltd](https://appshunter.io/developer/1373150398) |

## What reviewers say

### Contour Detection

[App page](https://appshunter.io/ios/app/contour-detection/id6511213082)

**Features:** macOS Compatibility

**In-app purchases:** none


### Jike Image

[App page](https://appshunter.io/ios/app/jike-image/id6755094342)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Contour Detection free?

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

### Is Jike Image free?

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

### Do Contour Detection or Jike Image have ads?

Both Contour Detection and Jike Image show ads.

### Which is updated more often, Contour Detection or Jike Image?

Contour Detection ships an update fortnightly, and Jike Image weekly. Most recently, Contour Detection was updated on October 15, 2026 and Jike Image on October 7, 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.*