Paid-Validated App Niche Index — Apps Proving Willingness-to-Pay

What you get

• S — Top 250 paid-validated apps by validation score
• M — Full index: every paid-validated app + category summaries (2,101 rows)
• L — Full index + in-app-purchase activity signals (2,243 rows)
• Data dictionary, datasheet and license in every package

Sample preview

First 50 rows of the real free-sample file — the identical schema you get in every package. Click a column to sort, or filter across all rows.

Coverage statistics

Records

2,243

Largest package

400 KB

Available packages

Real contents of the current builds — row counts, sizes and checksums come from the packaging manifest, not estimates.

FreeOpen Data — full downloads

This dataset is part of the DataForge Open Data program: the upstream license (CC BY-NC 4.0 (DataForge curated layer; academic/personal use, attribution + backlink required) — commercial use requires a DataForge commercial license) permits free redistribution, so the complete packages below are free — no signup. Please cite DataForge (data.zalize.com) with a backlink when you use or share this data.

License: CC BY-NC 4.0 (DataForge curated layer; academic/personal use, attribution + backlink required) — commercial use requires a DataForge commercial license · Attribution: DataForge (data.zalize.com)

Full package inventory

Every package registered in the delivery catalog for this dataset — 3 packages, 864 KB total, 4,622 rows. Sizes, row counts and SHA-256 checksums come straight from the packaging pipeline.

How to get this data

# Machine-readable package index (size / sha256 / rows / channels)
curl -s https://data.zalize.com/datasets/paid-validated-app-niche-index/packages.json | jq '.packages[0]'

# Request a free sample (signed link sent to your email)
curl -X POST https://dl.zalize.com/api/sample \
  -H 'Content-Type: application/json' \
  -d '{"dataset":"paid-validated-app-niche-index","email":"you@company.com"}'

Pricing

AI-training use requires the AI-Training tier (1.5× base); redistribution licensing is quoted individually. Annual subscriptions get 2 months free. License details →

Update frequency & delivery

• Computed from the DataForge appstore pipeline's real collection run (rankings, prices, review volumes).
• Validation score methodology is documented in the package datasheet.

Compliance & provenance

Collected only from publicly accessible pages and endpoints — no login-required data, no CAPTCHA solving, no forged authentication. Collection is rate-limited with an identified User-Agent, and collection logs are retained. PII is removed or pseudonymized. Every record carries its source URL and collection timestamp. Sold under a tiered commercial license.

FAQ