Comparison

Actioforma KOS vs Little Nature

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Actioforma KOS

Explore biology and medical concepts with immersive 3D content, including electron microscopy and CT scans. View on your device or connect to a 3D TV for enhanced learning. Interactive features allow detailed examination of biological structures.

Highlights
  • 3D electron microscopic images
  • Interactive 3D CT content
  • Adjustable view angles, size, and transparency
  • Stereoscopic viewing with/without glasses
  • External display support for 3D TVs/projectors
  • Content view history
  • Display user's 3D content
Features
Read full description

This revolutionary application was developed for medical educational purposes and offers users the opportunity to enjoy interesting 3D content for biology education. Users can view 3D images on an iPad or iPhone either with or without red/cyan glasses. An *adaptor allows connection to a 3D TV where vivid 3D content can be viewed. Content includes 3D electron microscopic images and 3D CT content as well as 3D movies. Some 3D CT content allows users to interactively adjust the viewable angle, size, and transparency and observe living organisms from the inside. Students can benefit from this content for self-study. **The application is also useful when used accompanying lectures and or presentations displayed on large 3D TVs and or 3D projectors. New biology, medical, and healthcare related 3D movies and 3D interactive content suitable for educators in related fields will be introduced in the near future. *3D content is viewable on 3D TVs using the Apple Digital AV adaptor compatible with your TV or with Apple TV. **For 3D display, units compatible with side-by-side input is required. Information pertaining to compatibility issues are available at support site. Application characteristics 1. Stereoscopic viewing 2. External Display support for some models 3. Content view history 4. Display user's 3D content 1. Stereoscopic viewing Content is viewable as follows: Anaglyph: Stereoscopic viewing with red/cyan glasses Glasses-free stereoscopic viewing: Glasses-free viewing of images placed side-by-side as one stereoscopic image. This method corresponds to cross-eyed view and parallel view methods. 3D TV: Used to display content on a 3D TV or a projector compatible with side-by-side format. 2. External Display support for some models Content display on an external monitor is supported for some models. When using an iPad or iPhone, you can display the content on a large TV screen and enjoy simultaneous viewing with others. (Use of a high-performance iPad or iPhone is recommended for this function.) 3. Content view history Content accessed is stored. This function facilitates searches for frequently viewed content and the alternate display of multiple content items. 4. Display user's 3D content Transferring photos by iTunes, display user's 3D content with Stereoscopic viewing. Not only on a iPad/iPhone but on a 3D TV or a projector.

About

Little Nature

Explore Asian wildlife and plants in interactive 3D. Study detailed models, place them in your environment with AR, and access information offline. Download content as needed to manage storage.

Highlights
  • Interactive 3D models
  • Augmented Reality (AR) field guide
  • Scientific classification details
  • Category browsing and quick search
  • On-demand model downloads
  • Offline viewing of downloaded content
Features
Read full description

Explore animals and plants in interactive 3D. Rotate and zoom to study the shapes and details of insects, flowers, fish, amphibians, and marine life. The collection focuses on Asian species, with selected specimens from other regions. Start with an included animated model, then download other models when you need them. Downloaded models remain available for offline viewing. - 3D viewing: rotate, zoom, and watch models that include animation - Browse by category, animation, or offline availability - Search localized model names and scientific names - Read scientific names and biological classification - Download models on demand and manage saved files - AR on supported iPhone and iPad: place models in your surroundings Model resources are curated from public sources under CC0 license terms. No account is required. First-party anonymous product analytics help improve the catalog and preview experience; they are not used for advertising or tracking. Camera permission is requested only when you use AR.

Screenshots

Actioforma KOS4 screens
Little Nature4 screens

Verdict

The call

The clearest difference is in-app purchases: Little Nature at none against Actioforma KOS's 2. Little Nature also leads on update cadence (every 3 weeks vs every 2 months). Actioforma KOS's advantage is iOS requirement (7.0 vs 17.0). On price, review sentiment, ads and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Actioforma KOS sells 2 one-off in-app purchases. Little Nature asks for nothing beyond the download.

UpkeepUpdate frequency

Actioforma KOS ships an update every 2 months, Little Nature every 3 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Actioforma KOS versus Little Nature: the parameters behind the verdict, then further details
ParameterActioforma KOSLittle Nature
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS7.0 — better17.0
Further details — not scored
Size18 MB14 MB
Age rating12+4+
DeveloperMETA Corporation Japan Ltd.培克 罗

Customer experience

Actioforma KOS

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Little Nature

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Actioforma KOS

One-time2
  • SEM Section of the Rat Liver$0.99
  • CT image of Japanese Rat Snake$0.99
None

Little Nature

No in-app purchases

Questions

Is Actioforma KOS free?
Actioforma KOS is free to download, with in-app purchases available.
Is Little Nature free?
Little Nature is free to download, with no in-app purchases.
Do Actioforma KOS or Little Nature have ads?
Neither Actioforma KOS nor Little Nature shows ads.
Which is updated more often, Actioforma KOS or Little Nature?
Actioforma KOS ships an update every 2 months, and Little Nature every 3 weeks. Most recently, Actioforma KOS was updated on November 1, 2026 and Little Nature on October 31, 2026.

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