# 3D stereogram vs いきものクイズ＆どうぶつ・昆虫図鑑

The clearest difference is price: いきものクイズ＆どうぶつ・昆虫図鑑 at Free against 3D stereogram's $2.99. いきものクイズ＆どうぶつ・昆虫図鑑 also leads on review sentiment (100% vs 60%). 3D stereogram's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On update cadence, in-app purchases and device support there is nothing between them.

いきものクイズ＆どうぶつ・昆虫図鑑 is free to download; 3D stereogram costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

3D stereogram ships an update every 50 months, いきものクイズ＆どうぶつ・昆虫図鑑 every 48 months. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 3D stereogram | いきものクイズ＆どうぶつ・昆虫図鑑 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/3d-stereogram-human/id640999250/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 50 months | **Every 48 months** |
| Monetization | Paid | — |
| Size | 220 MB | 35 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [koikoi.biz](https://appshunter.io/developer/444917150) | [Akio SHIMURA](https://appshunter.io/developer/1279822048) |

## What reviewers say

### 3D stereogram

[App page](https://appshunter.io/ios/app/3d-stereogram-human/id640999250)

Experience a unique stereogram application focused on human subjects for a novel 3D visual experience. Adjust brightness, zoom, and view images in various modes, including parallel and cross-eyed methods.

**Highlights:** Human-themed stereograms, Brightness regulation, Zoom in/out functionality, Parallel and cross-eyed viewing, Bookmark feature, Slideshow mode

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

**In-app purchases:** none


### いきものクイズ＆どうぶつ・昆虫図鑑

[App page](https://appshunter.io/ios/app/id1291919785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D stereogram free?

3D stereogram costs $2.99, with no in-app purchases.

### Is いきものクイズ＆どうぶつ・昆虫図鑑 free?

いきものクイズ＆どうぶつ・昆虫図鑑 is free to download, with no in-app purchases.

### Do 3D stereogram or いきものクイズ＆どうぶつ・昆虫図鑑 have ads?

いきものクイズ＆どうぶつ・昆虫図鑑 shows ads; 3D stereogram does not.

### Which is updated more often, 3D stereogram or いきものクイズ＆どうぶつ・昆虫図鑑?

3D stereogram ships an update every 50 months, and いきものクイズ＆どうぶつ・昆虫図鑑 every 48 months. Most recently, 3D stereogram was updated on September 26, 2026 and いきものクイズ＆どうぶつ・昆虫図鑑 on September 18, 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.*