John Spahr

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Apps: 2

Total installs: 33K

Avg rating: ★ 3.92

Ratings: 387

Latest release: Aug 15, 2026

How this developer operates

Carrier title Violoncello - Text Browser holds 100% of the developer's installs — a one-app developer
Hit rate 0% of launches reach 100k installs (0 of 2 at least 30 days old)
Release rhythm a new app every ~5.7 years on average
Maintenance 1 of 2 apps updated in the last 90 days · last update 89 days ago

App	Style	Rating	Installs	Released
Violoncello - Text Browser	Tools	★ 3.9	10,000+	Nov 21, 2020
Stuart: Text-Only Reader	Tools	—	10+	Aug 15, 2026