# On vs シフカレ

The clearest difference is update cadence: シフカレ at every 4 days against On's every 3 weeks. 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.

On ships an update every 3 weeks, シフカレ every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | On | シフカレ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 25 MB | 10 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [RYOTA UEMATSU](https://appshunter.io/developer/1829255016) | [Junichiro Tokiyoshi](https://appshunter.io/developer/1894481041) |

## What reviewers say

### On

[App page](https://appshunter.io/ios/app/on-call-shift-schedule-maker/id6756843278)

This app automates the creation of fair and efficient duty rosters for teams. It collects requests, generates schedules respecting various constraints, and manages swaps post-finalization. Supports multiple currencies and holiday detection for several countries.

**Highlights:** Collects team member requests, Automated schedule generation, Ensures fairness in assignments, Manages post-finalization swaps, Supports multiple currencies, Export schedules to PDF, Sends duty reminders

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

**In-app purchases:** none


### シフカレ

[App page](https://appshunter.io/ios/app/id6790414829)

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

**In-app purchases:** none


## Frequently asked questions

### Is On free?

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

### Is シフカレ free?

シフカレ is free to download, with no in-app purchases.

### Do On or シフカレ have ads?

Neither On nor シフカレ shows ads.

### Which is updated more often, On or シフカレ?

On ships an update every 3 weeks, and シフカレ every 4 days. Most recently, On was updated on October 30, 2026 and シフカレ 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.*