Pieter Hartzenberg

13 apps tracked in the index, spread across 5 categories.

Profile · 13 apps tracked

Apps tracked: 13
Total ratings: 3
Median rating: 4.00
First listing: 19 Jan 2025

Portfolio dossier

A full-portfolio read across all 13 tracked apps — maintenance cadence, reach, localization and how old the catalogue is. Computed live from public listing metadata; downloads, revenue and retention are not visible to us and are not estimated.

First listing

19 Jan 2025

Latest release

22 Jul 2026

Updated in last year

100%

Median languages

1

On record boards

5

Median app size

1018 MB

Maintenance cadence

When each app was last updated — the clearest signal of whether a portfolio is actively maintained or quietly abandoned.

Updated ≤ 90 days10

Within a year3

Stale over 1 year0

When the catalogue launched

Release year across the portfolio — how old the catalogue is, and whether the publisher still ships new apps.

20252026

Publishing behaviour

Portfolio

Spread across 5 categories. Bar length shows each category’s share of observed ratings; the app count beside it exposes where volume and audience diverge.

Entertainment 4 apps · 67%

Education 4 apps · 0%

Music 3 apps · 33%

Games 1 app · 0%

Graphics & Design 1 app · 0%

Largest apps	Category	Ratings	Rating	Last checked
Life on Io	Entertainment	2	3.0	6 d
Electro Clash	Music	1	5.0	6 d
Alternative Division	Music	—	—	6 d
Art Renaissance	Education	—	—	6 d
Black Hole Sun	Entertainment	—	—	6 d
Cute Lil Guy: Cozy Game	Games	—	—	6 d

All 13 apps →

Observations

01
The portfolio holds 13 apps across 5 categories, with Entertainment the largest cluster.
03
Median app rating across the set is 4.00, ranging 3.00–5.00 over the 2 rated listings on this page.

Catalogue

Apps by Pieter Hartzenberg

Showing 1–13 of 13 · 100 / page

App	Category	Ratings	Rating	Last checked
Life on Io	Entertainment	2	3.0	6 d
Electro Clash	Music	1	5.0	6 d
Alternative Division	Music	$0.99	—	6 d
Art Renaissance	Education	$0.99	—	6 d
Black Hole Sun	Entertainment	$0.99	—	6 d
Cute Lil Guy: Cozy Game	Games	—	—	6 d
Earth Experience	Education	$0.99	—	6 d
Gradient System	Entertainment	$0.99	—	6 d
Hyper Neon	Graphics & Design	$0.99	—	6 d
Oceanopedia	Education	—	—	6 d
Rock Arena	Music	$0.99	—	6 d
Space Experience	Education	$0.99	—	6 d
Wallpaper Lab	Entertainment	$0.99	—	6 d