# DeVS vs 合格理科クエスト

The clearest difference is in-app purchases: 合格理科クエスト at none against DeVS's 4. 合格理科クエスト also leads on ads (none vs shown) and update cadence (every 3 days vs every 8 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. DeVS sells 4 in-app purchases, starting at $4.99 per month. 合格理科クエスト asks for nothing beyond the download.

DeVS ships an update every 8 days, 合格理科クエスト every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DeVS | 合格理科クエスト |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 58.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 3 days** |
| Size | 35 MB | 224 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Daisuke Oka](https://appshunter.io/developer/1352359635) | [hiroaki yuasa](https://appshunter.io/developer/1785484491) |

## What reviewers say

### DeVS

[App page](https://appshunter.io/ios/app/devs-ai-discussion/id6759862008)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeVS Basic Plan | $4.99 | per month |
| Devate Ticket | $1.99 | one-time |
| Devate Ticket x5 | $7.99 | one-time |
| Devate Ticket x10 | $12.99 | one-time |


### 合格理科クエスト

[App page](https://appshunter.io/ios/app/id6772644144)

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

**In-app purchases:** none


## Frequently asked questions

### Is DeVS free?

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

### Is 合格理科クエスト free?

合格理科クエスト is free to download, with no in-app purchases.

### Do DeVS or 合格理科クエスト have ads?

DeVS shows ads; 合格理科クエスト does not.

### Which is updated more often, DeVS or 合格理科クエスト?

DeVS ships an update every 8 days, and 合格理科クエスト every 3 days. Most recently, DeVS was updated on October 25, 2026 and 合格理科クエスト 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.*