# PH System vs 作業日報

The clearest difference is update cadence: 作業日報 at monthly against PH System's every 15 months. PH System's advantage is iOS requirement (13 vs 15.1). 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.

PH System ships an update every 15 months, 作業日報 monthly. The most recent releases landed on September 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PH System | 作業日報 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Size | 25 MB | 38 MB |
| Requires iOS | **13** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [barnet Inc.](https://appshunter.io/developer/1203142034) | [YUKIYA AKAGI](https://appshunter.io/developer/1808605673) |

## What reviewers say

### PH System

[App page](https://appshunter.io/ios/app/ph-system/id1438705034)

**Features:** macOS Compatibility

**In-app purchases:** none


### 作業日報

[App page](https://appshunter.io/ios/app/cds/id6758916108)

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

**In-app purchases:** none


## Frequently asked questions

### Is PH System free?

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

### Is 作業日報 free?

作業日報 is free to download, with no in-app purchases.

### Do PH System or 作業日報 have ads?

Neither PH System nor 作業日報 shows ads.

### Which is updated more often, PH System or 作業日報?

PH System ships an update every 15 months, and 作業日報 monthly. Most recently, PH System was updated on September 25, 2026 and 作業日報 on October 1, 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.*