# Studyaid D.B. ビューア vs おうち生物：高校生物・生物基礎

The clearest difference is ads: Studyaid D.B. ビューア at none against おうち生物：高校生物・生物基礎's shown. Studyaid D.B. ビューア also leads on iOS requirement (11.0 vs 14.0). おうち生物：高校生物・生物基礎's advantage is update cadence (monthly vs every 5 months). On price, 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.

Studyaid D.B. ビューア ships an update every 5 months, おうち生物：高校生物・生物基礎 monthly. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Studyaid D.B. ビューア | おうち生物：高校生物・生物基礎 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 61.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | — |
| Size | 10 MB | 19 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suken Shuppan K.K.](https://appshunter.io/developer/611090511) | [TomatoAppLab](https://appshunter.io/developer/1676711750) |

## What reviewers say

### Studyaid D.B. ビューア

[App page](https://appshunter.io/ios/app/studyaid-db/id1436112726)

This viewer app allows you to display educational worksheets created with "Studyaid D.B." on your iPhone or iPad. View received worksheets anytime, anywhere, even offline, and switch between questions, answers, and explanations. Share your understanding by marking questions as "understood" or "not understood."

**Highlights:** Display worksheets created with Studyaid D.B., Offline viewing of received worksheets, Toggle questions, answers, and explanations, Share understanding with 'understood'/'not understood' markers, Network connection required for receiving prints

**In-app purchases:** none


### おうち生物：高校生物・生物基礎

[App page](https://appshunter.io/ios/app/id6468403741)

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

**In-app purchases:** none


## Frequently asked questions

### Is Studyaid D.B. ビューア free?

Studyaid D.B. ビューア is free to download, with no in-app purchases.

### Is おうち生物：高校生物・生物基礎 free?

おうち生物：高校生物・生物基礎 is free to download, with no in-app purchases.

### Do Studyaid D.B. ビューア or おうち生物：高校生物・生物基礎 have ads?

おうち生物：高校生物・生物基礎 shows ads; Studyaid D.B. ビューア does not.

### Which is updated more often, Studyaid D.B. ビューア or おうち生物：高校生物・生物基礎?

Studyaid D.B. ビューア ships an update every 5 months, and おうち生物：高校生物・生物基礎 monthly. Most recently, Studyaid D.B. ビューア was updated on September 22, 2026 and おうち生物：高校生物・生物基礎 on September 15, 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.*