Apps with estimates
0 of 20% of their apps have a 30-day estimate
David Martin Sierra
iOS apps by David Martin Sierra, with estimated downloads and revenue.
PublisherUpdated Nov 10, 2026
Avg. rating
0.00Weighted by number of ratings
Apps All 2 of their apps we track.
| App | Category | Downloads · 30D |
|---|---|---|
 Taxio: Taxi-BuchhaltungFinance | Finance | Downloads and revenue for apps outside the free top 300 are part of Pro |
 Vekta: FlottenverwaltungBusiness | Business | Downloads and revenue for apps outside the free top 300 are part of Pro |
| App | Category | Released | Downloads · 30D |
|---|---|---|---|
| Vekta: FlottenverwaltungBusiness | Business | Sep 2, 2026 | Downloads and revenue for apps outside the free top 300 are part of Pro |
| Taxio: Taxi-BuchhaltungFinance | Finance | Jul 28, 2026 |
Categories Share of their apps
- Business50%
- Finance50%
About this data: every app of theirs we track. Downloads and revenue are AppTrendKit estimates, not the publisher's own numbers; ratings come from the App Store.