Official DVSA Theory Test Kit vs Rock ID - Stone Identifier
Official DVSA Theory Test Kit
TSO (The Stationery Office)
App Store
$439/mo
~$5.3K/yr · 3K installs
VS
Rock ID - Stone Identifier
AIBY Inc.
Google Play
$9.8K/mo
~$117.2K/yr · 583K installs
Revenue winner
Rock ID - Stone Identifier wins
+2126% vs other
Installs winner
Rock ID - Stone Identifier wins
+21092% vs other
MAU winner
Rock ID - Stone Identifier wins
+13352% vs other
Rating winner
Official DVSA Theory Test Kit wins
+1% vs other
Why Rock ID - Stone Identifier is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Rock ID - Stone Identifier earns roughly 22× more per month than Official DVSA Theory Test Kit - $9.8K vs $439.
- Aggressive pricing. Rock ID - Stone Identifier undercuts at $12.23/mo vs $21.68/mo - converts a higher % of free users.
- Bigger install base. Rock ID - Stone Identifier has ~583K lifetime installs vs Official DVSA Theory Test Kit's ~3K - 211.9× the funnel top.
→ Find more apps with this revenue gap · Full Rock ID - Stone Identifier report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Official DVSA Theory Test Kit
vs
Rock ID - Stone Identifier
Monthly revenue (est.)?
$439
▶
$9.8K
Annual revenue (est.)
$5.3K
▶
$117.2K
Lifetime installs (est.)
3K
▶
583K
Monthly active users (est.)?
316.25
▶
43K
App Store rating
4.38★
◀
4.32★
Total ratings
55
▶
7K
US grossing rank
-
=
-
Cheapest monthly sub
$21.68
◀
$12.23
IAP tiers detected
2 tiers
◀
0 tiers
- Category
- Education
- Price
- USD5.99
- Released
- Sep 20, 2011
- Last updated
- Apr 23, 2026
- File size
- 1.16 GB
- Content rating
- 4+
- Version
- 6.13.1
- Languages
- English
- Category
- Education
- Price
- Free
- Released
- Jan 10, 2024
- Last updated
- Feb 14, 2025
- File size
- -
- Content rating
- Everyone
- Version
- 1.7.2
- Languages
- -
Official DVSA Theory Test Kit trajectory
Rock ID - Stone Identifier trajectory
FAQ
Which makes more money, Official DVSA Theory Test Kit or Rock ID - Stone Identifier? v
Rock ID - Stone Identifier earns about $9.8K per month, while Official DVSA Theory Test Kit earns about $439. That is a 22.3× revenue gap (~$9.3K more per month for Rock ID - Stone Identifier). Annual revenue: Official DVSA Theory Test Kit ≈ $5.3K/year, Rock ID - Stone Identifier ≈ $117.2K/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Official DVSA Theory Test Kit or Rock ID - Stone Identifier? v
Rock ID - Stone Identifier leads with about 583K estimated downloads vs 3K for Official DVSA Theory Test Kit - a 211.9× gap. Official DVSA Theory Test Kit's App Store downloads are estimated from 55 ratings × the standard 1:75 ratio. Rock ID - Stone Identifier reports 500,000+ installs on Google Play.
Are Official DVSA Theory Test Kit and Rock ID - Stone Identifier in the same App Store category on each store and competing for the same money? v
Yes - both apps sit in the Education category, which means they compete directly for the same paying users and category-level wallet share. Direct competitors, head-to-head.
What in-app purchases and subscription pricing do Official DVSA Theory Test Kit and Rock ID - Stone Identifier offer? v
Official DVSA Theory Test Kit: IAP range 2 tiers detected. Rock ID - Stone Identifier: IAP range $4.99 - $29.99 per item. Official DVSA Theory Test Kit runs a "Paid app ($5.99)" monetization model; Rock ID - Stone Identifier runs "Subscription (~$12.23/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Official DVSA Theory Test Kit or Rock ID - Stone Identifier? v
Official DVSA Theory Test Kit edges ahead with ★ 4.4 vs ★ 4.3 (gap of 0.1 stars). Rating volume: Official DVSA Theory Test Kit 55 ratings, Rock ID - Stone Identifier 466 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Official DVSA Theory Test Kit vs Rock ID - Stone Identifier revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $439 for Official DVSA Theory Test Kit and $9.8K for Rock ID - Stone Identifier are derived from App Store grossing rank / Google Play install ranges, scraped IAP tiers, ratings volume and category benchmarks (Education) - net of the 15-30% Apple/Google store cut. Real revenue depends on country mix, retention, refunds and ad fill rate, none of which Apple or Google publish.
How do I compare Official DVSA Theory Test Kit or Rock ID - Stone Identifier to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or Google Play links into the homepage tool. We auto-generate a permanent comparison URL with revenue, downloads, IAP tiers, subscription pricing and grossing rank for both apps.