Langmate: Japanese Friends vs SkillCat: HVAC & EPA 608
Langmate: Japanese Friends
Langmate Inc.
App Store
$24.7K/mo
~$296.0K/yr · 762K installs
VS
SkillCat: HVAC & EPA 608
SkillCat
Google Play
$4.3K/mo
~$51.2K/yr · 231K installs
Revenue winner
Langmate: Japanese Friends wins
+478% vs other
Installs winner
Langmate: Japanese Friends wins
+230% vs other
MAU winner
Langmate: Japanese Friends wins
+333% vs other
Rating winner
SkillCat: HVAC & EPA 608 wins
+3% vs other
Why Langmate: Japanese Friends is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- Langmate: Japanese Friends earns roughly 6× more per month than SkillCat: HVAC & EPA 608 - $24.7K vs $4.3K.
- Aggressive pricing. Langmate: Japanese Friends undercuts at $8.49/mo vs $10.00/mo - converts a higher % of free users.
- Bigger install base. Langmate: Japanese Friends has ~762K lifetime installs vs SkillCat: HVAC & EPA 608's ~231K - 3.3× the funnel top.
- More monetization surfaces. Langmate: Japanese Friends runs 10 IAP tiers vs 0 - more chances to convert users at the right price.
→ Find more apps with this revenue gap · Full Langmate: Japanese Friends report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Langmate: Japanese Friends
vs
SkillCat: HVAC & EPA 608
Monthly revenue (est.)?
$24.7K
◀
$4.3K
Annual revenue (est.)
$296.0K
◀
$51.2K
Lifetime installs (est.)
762K
◀
231K
Monthly active users (est.)?
90K
◀
21K
App Store rating
4.68★
▶
4.84★
Total ratings
10K
◀
6K
US grossing rank
-
=
-
Cheapest monthly sub
$8.49
▶
$10.00
IAP tiers detected
10 tiers
◀
0 tiers
- Category
- Education
- Price
- Free
- Released
- Apr 14, 2016
- Last updated
- Jun 24, 2026
- File size
- 174.4 MB
- Content rating
- 17+
- Version
- 5.2.7
- Languages
- English, Japanese
- Category
- Education
- Price
- Free
- Released
- Sep 29, 2021
- Last updated
- Jun 18, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 7.0.5
- Languages
- -
Langmate: Japanese Friends trajectory
SkillCat: HVAC & EPA 608 trajectory
FAQ
Which makes more money, Langmate: Japanese Friends or SkillCat: HVAC & EPA 608? v
Langmate: Japanese Friends earns about $24.7K per month, while SkillCat: HVAC & EPA 608 earns about $4.3K. That is a 5.8× revenue gap (~$20.4K more per month for Langmate: Japanese Friends). Annual revenue: Langmate: Japanese Friends ≈ $296.0K/year, SkillCat: HVAC & EPA 608 ≈ $51.2K/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Langmate: Japanese Friends or SkillCat: HVAC & EPA 608? v
Langmate: Japanese Friends leads with about 762K estimated downloads vs 231K for SkillCat: HVAC & EPA 608 - a 3.3× gap. Langmate: Japanese Friends's App Store downloads are estimated from 10K ratings × the standard 1:75 ratio. SkillCat: HVAC & EPA 608 reports 100,000+ installs on Google Play.
Are Langmate: Japanese Friends and SkillCat: HVAC & EPA 608 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 Langmate: Japanese Friends and SkillCat: HVAC & EPA 608 offer? v
Langmate: Japanese Friends: IAP range 10 tiers detected. SkillCat: HVAC & EPA 608: IAP range $0.99 - $96.00 per item. Langmate: Japanese Friends runs a "Subscription (~$8.49/mo)" monetization model; SkillCat: HVAC & EPA 608 runs "Subscription (~$10.00/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Langmate: Japanese Friends or SkillCat: HVAC & EPA 608? v
SkillCat: HVAC & EPA 608 edges ahead with ★ 4.8 vs ★ 4.7 (gap of 0.2 stars). Rating volume: Langmate: Japanese Friends 10K ratings, SkillCat: HVAC & EPA 608 1K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Langmate: Japanese Friends vs SkillCat: HVAC & EPA 608 revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $24.7K for Langmate: Japanese Friends and $4.3K for SkillCat: HVAC & EPA 608 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 Langmate: Japanese Friends or SkillCat: HVAC & EPA 608 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.