# CALSカメラ vs OneCam 2 (with Effects)

The clearest difference is price: CALSカメラ at Free against OneCam 2 (with Effects)'s $3.99. CALSカメラ also leads on review sentiment (67% vs 35%) and device support (3 vs 1). OneCam 2 (with Effects)'s advantage is update cadence (every 4 days vs every 5 weeks). On ads and in-app purchases there is nothing between them.

CALSカメラ is free to download; OneCam 2 (with Effects) costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CALSカメラ ships an update every 5 weeks, OneCam 2 (with Effects) every 4 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | CALSカメラ | OneCam 2 (with Effects) |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | **66.7% of reviews** | 34.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | **Free** | Paid |
| Size | 18 MB | 2 MB |
| Requires iOS | **10.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hidetoshi Ichioka](https://appshunter.io/developer/1504189749) | [Walker Software](https://appshunter.io/developer/298222163) |

## What reviewers say

### CALSカメラ

[App page](https://appshunter.io/ios/app/cals/id1504189750)

Capture construction-grade photos with optimized file sizes and intuitive controls. Easily adjust focus, exposure, and zoom, and add pointers to highlight important details. Preserve metadata like date, time, and location for professional use.

**Highlights:** Optimized 1280x960 photos (under 500KB), Instant image preview with zoom, Intuitive focus, exposure, and zoom adjustment, Add and save pointer annotations, Volume button shutter control, Embed EXIF data (date, time, location), Toggle location saving

**In-app purchases:** none


### OneCam 2 (with Effects)

[App page](https://appshunter.io/ios/app/onecam-2-with-effects/id1579636154)

Capture high-resolution photos with advanced stabilization and lens options. Easily edit images with effects, cropping, and rotation. Preview, manage, and enhance your shots with a user-friendly interface.

**Highlights:** High-resolution photography with image stabilization, Supports ultra-wide, telephoto, and macro lenses, Adjustable brightness and custom camera screen colors, Photo editing: crop, rotate, flip, and apply effects, Quick preview and direct photo viewing, Manual focus, exposure, and white balance controls, HEIC format compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CALSカメラ free?

CALSカメラ is free to download, with no in-app purchases.

### Is OneCam 2 (with Effects) free?

OneCam 2 (with Effects) costs $3.99, with no in-app purchases.

### Do CALSカメラ or OneCam 2 (with Effects) have ads?

Neither CALSカメラ nor OneCam 2 (with Effects) shows ads.

### Which is updated more often, CALSカメラ or OneCam 2 (with Effects)?

CALSカメラ ships an update every 5 weeks, and OneCam 2 (with Effects) every 4 days. Most recently, CALSカメラ was updated on November 3, 2026 and OneCam 2 (with Effects) 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.*