GKG Doku vs RST Photo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GKG Doku
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With GKG Doku you can document numerous situations and events for the children in Gesamtkirchengemeinde Katholisches Dekanat Fuerth. The documentation can consist of images, videos, audio, text, tags, and recorded sound for photos. All documentation is collected in a documentation theme, which can be published to Gesamtkirchengemeinde Katholisches Dekanat Fuerth for further processing, documentation and statistics. Furthermore, the app contains a child mode, where the camera will be locked. This gives the child the opportunity to document from their own perspective. A user has to unlock the child mode before anything can be published. GKG Doku is a great tool to help users create different kinds of documentation for children and parents.
RST Photo
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As a teacher with RST Photo you can document numerous situations and events about the children in The Reggio School of Tokyo. The documentation can consist of images, videos, audio, text, tags, and recorded sound for photos. All documentation is collected in a documentation theme, which can be published to The Reggio School of Tokyo for further processing, documentation and statistics. Furthermore, the app contains a child mode, where the camera will be locked. This gives the child the opportunity to document from their own perspective. A user has to unlock the child mode before anything can be published. RST Photo is a great tool to help users create different kinds of documentation for children and parents.
Screenshots
Verdict
GKG Doku and RST Photo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
GKG Doku ships an update every 3 months, RST Photo every 2 months. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.
| Parameter | GKG Doku | RST Photo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 40 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Gesamtkirchengemeinde Fuerth Stadt und Land | The Reggio School of Tokyo |
In-app purchases
GKG Doku
No in-app purchases
RST Photo
No in-app purchases
