# 工事写真台帳 vs WorkDelta

The clearest difference is ads: 工事写真台帳 at none against WorkDelta's shown. WorkDelta's advantage is update cadence (daily vs weekly) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. 工事写真台帳 sells 2 in-app purchases, starting at $1.99 per month and WorkDelta sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

工事写真台帳 ships an update weekly, WorkDelta daily. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 工事写真台帳 | WorkDelta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Daily** |
| Size | 1 MB | 33 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Yamaji](https://appshunter.io/developer/1270013649) | [SHACHIHOKO LLC](https://appshunter.io/developer/6811272143) |

## What reviewers say

### 工事写真台帳

[App page](https://appshunter.io/ios/app/pdf/id6787646098)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 使い放題プラン（月払い） | $1.99 | per month |
| 使い放題プラン（年払い） | $17.99 | per year |


### WorkDelta

[App page](https://appshunter.io/ios/app/workdelta-photo-work-reports/id6818890361)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorkDelta Premium | $7.99 | one-time |


## Frequently asked questions

### Is 工事写真台帳 free?

工事写真台帳 is free to download, with in-app purchases available.

### Is WorkDelta free?

WorkDelta is free to download, with in-app purchases available.

### Do 工事写真台帳 or WorkDelta have ads?

WorkDelta shows ads; 工事写真台帳 does not.

### Which is updated more often, 工事写真台帳 or WorkDelta?

工事写真台帳 ships an update weekly, and WorkDelta daily. Most recently, 工事写真台帳 was updated on October 25, 2026 and WorkDelta on October 17, 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.*