KK Ni vs RST Photo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KK Ni
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With KK Ni - Doku you can document numerous situations and events for the children in Kirchenkreis Nienburg. 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 Kirchenkreis Nienburg 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. KK Ni - 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
KK Ni 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.
KK Ni ships an update every 3 months, RST Photo every 2 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.
| Parameter | KK Ni | 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 | 36 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Kirchenkreis Nienburg | The Reggio School of Tokyo |
In-app purchases
KK Ni
No in-app purchases
RST Photo
No in-app purchases
