# 第1種作業環境 vs HalluProof

The clearest difference is in-app purchases: HalluProof at none against 第1種作業環境's 1. HalluProof also leads on device support. 第1種作業環境's advantage is iOS requirement (16.0 vs 18.0). On price there is nothing between them.

Both are free to download. 第1種作業環境 sells 1 one-off in-app purchase. HalluProof asks for nothing beyond the download.

## The numbers

| Metric | 第1種作業環境 | HalluProof |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 5 MB | 7 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [Hyun-Su Kim](https://appshunter.io/developer/922728750) |

## What reviewers say

### 第1種作業環境

[App page](https://appshunter.io/ios/app/1/id6757163625)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 第一種作業環境測定士 試験対策 | $1.99 | one-time |


### HalluProof

[App page](https://appshunter.io/ios/app/halluproof-spot-ai-errors/id6759915721)

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

**In-app purchases:** none


## Frequently asked questions

### Is 第1種作業環境 free?

第1種作業環境 is free to download, with in-app purchases available.

### Is HalluProof free?

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

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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.*