NIMS School Diary vs Question.AI-Math Calculator
NIMS School Diary
Techno Alliance
App Store
$0/mo
~$0/yr · 400 installs
VS
Question.AI-Math Calculator
3HOUSE
App Store
$4.68M/mo
~$56.16M/yr · 7.1M installs
Revenue winner
Question.AI-Math Calculator wins
+468009800% vs other
Installs winner
Question.AI-Math Calculator wins
+1786074% vs other
MAU winner
Question.AI-Math Calculator wins
+9196481% vs other
Rating winner
NIMS School Diary wins
+6% vs other
Why Question.AI-Math Calculator is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Question.AI-Math Calculator earns roughly 4680098× more per month than NIMS School Diary - $4.68M vs $0.
- Subscription model. Question.AI-Math Calculator runs a $20.00/mo subscription that compounds; NIMS School Diary relies on one-shot IAP or ads.
- Bigger install base. Question.AI-Math Calculator has ~7.1M lifetime installs vs NIMS School Diary's ~400 - 17861.7× the funnel top.
→ Find more apps with this revenue gap · Full Question.AI-Math Calculator report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
NIMS School Diary
vs
Question.AI-Math Calculator
Monthly revenue (est.)?
$0
▶
$4.68M
Annual revenue (est.)
$0
▶
$56.16M
Lifetime installs (est.)
400
▶
7.1M
Monthly active users (est.)?
48.4
▶
4.5M
App Store rating
5.00★
◀
4.70★
Total ratings
1
▶
159K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$20.00
IAP tiers detected
0 tiers
=
0 tiers
- Category
- Education
- Price
- Free
- Released
- Aug 31, 2021
- Last updated
- May 19, 2026
- File size
- 49.3 MB
- Content rating
- 4+
- Version
- 3.1.2
- Languages
- English
- Category
- Education
- Price
- Free
- Released
- May 30, 2023
- Last updated
- Jun 15, 2026
- File size
- 145.4 MB
- Content rating
- 4+
- Version
- 3.5.10
- Languages
- Arabic, Dutch, English, French, German, Indonesian +9 more
NIMS School Diary trajectory
Question.AI-Math Calculator trajectory
FAQ
Which makes more money, NIMS School Diary or Question.AI-Math Calculator? v
Question.AI-Math Calculator earns about $4.68M per month, while NIMS School Diary earns about $0. That is a ∞× revenue gap (~$4.68M more per month for Question.AI-Math Calculator). Annual revenue: NIMS School Diary ≈ $0/year, Question.AI-Math Calculator ≈ $56.16M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, NIMS School Diary or Question.AI-Math Calculator? v
Question.AI-Math Calculator leads with about 7.1M estimated downloads vs 400 for NIMS School Diary - a 17861.7× gap. NIMS School Diary's App Store downloads are estimated from 1 ratings × the standard 1:75 ratio. Question.AI-Math Calculator's App Store downloads are estimated from 159K ratings.
Are NIMS School Diary and Question.AI-Math Calculator in the same App Store category 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.
Do NIMS School Diary and Question.AI-Math Calculator have in-app purchases? v
NIMS School Diary does not appear to offer in-app purchases on its public listing. Question.AI-Math Calculator does not appear to offer in-app purchases. Monetization model: NIMS School Diary runs "No App Store revenue (monetizes off-store)", Question.AI-Math Calculator runs "Subscription (~$20.00/mo, ai)".
Which has better ratings, NIMS School Diary or Question.AI-Math Calculator? v
NIMS School Diary edges ahead with ★ 5.0 vs ★ 4.7 (gap of 0.3 stars). Rating volume: NIMS School Diary 1 ratings, Question.AI-Math Calculator 159K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these NIMS School Diary vs Question.AI-Math Calculator revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $0 for NIMS School Diary and $4.68M for Question.AI-Math Calculator are derived from App Store grossing rank, 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 NIMS School Diary or Question.AI-Math Calculator to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store 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.