# K1くんOES vs oplus (オプラス)

The clearest difference is update cadence: oplus (オプラス) at every 2 months against K1くんOES's every 8 months. K1くんOES's advantage is iOS requirement (11.0 vs 15.0). 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.

K1くんOES ships an update every 8 months, oplus (オプラス) every 2 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | K1くんOES | oplus (オプラス) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oplus/id1459822383/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社アプリラボ](https://appshunter.io/developer/567688645) | [Oplus Inc](https://appshunter.io/developer/1459822382) |

## What reviewers say

### K1くんOES

[App page](https://appshunter.io/ios/app/k1oes/id750798884)

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

**In-app purchases:** none


### oplus (オプラス)

[App page](https://appshunter.io/ios/app/oplus/id1459822383)

This app simplifies shift management for businesses and staff. It allows for easy shift submission and editing from anywhere, automates staff onboarding via SMS, and provides features for labor cost calculation and workforce optimization. It also supports work style reforms with alerts for consecutive shifts and rest intervals.

**Highlights:** Shift submission and editing, Automated staff onboarding, Labor cost calculation, Work style reform support, Shift visualization, Job assignment and comments

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

**In-app purchases:** none


## Frequently asked questions

### Is K1くんOES free?

K1くんOES is free to download, with no in-app purchases.

### Is oplus (オプラス) free?

oplus (オプラス) is free to download, with no in-app purchases.

### Do K1くんOES or oplus (オプラス) have ads?

Neither K1くんOES nor oplus (オプラス) shows ads.

### Which is updated more often, K1くんOES or oplus (オプラス)?

K1くんOES ships an update every 8 months, and oplus (オプラス) every 2 months. Most recently, K1くんOES was updated on October 29, 2026 and oplus (オプラス) 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.*