Blackfoot QR Reader vs when
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blackfoot QR Reader
This educational app serves as a companion to physical games, allowing users to interact with them digitally. It enhances the learning experience by connecting physical components to digital content. Explore a catalog of games to find the perfect educational tool.
- Companion app for physical games
- Enhances educational gameplay
- Digital interaction with physical components
- Access to game store
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QR Reader companion app for physical Blackfoot Games. For full listing of games go to our store https://www.nativeteachingaids.com/shop
when
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"四次元年表" is a project where users collaborate to build a database that encompasses all historical events, from the origins of the universe to the endless "now", regardless of the field. It aims to accurately display both temporal and spatial distances by making "where" as important as "when".
Screenshots
Verdict
The clearest difference is iOS requirement: Blackfoot QR Reader at 11.0 against when's 13.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Blackfoot QR Reader ships an update monthly, when every 3 weeks. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.
| Parameter | Blackfoot QR Reader | when |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 21 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Native Teaching Aids LLC | Hiroe Oshimura |
In-app purchases
Blackfoot QR Reader
No in-app purchases
when
No in-app purchases
Questions
Is Blackfoot QR Reader free?
Is when free?
Do Blackfoot QR Reader or when have ads?
Which is updated more often, Blackfoot QR Reader or when?
Other comparisons
