Notes, Journal, Diary: PenCake vs Simple Diary - Daily Journal
Notes, Journal, Diary: PenCake
Diffathy, Inc.
App Store
$11/mo
~$135/yr · 5K installs
VS
Simple Diary - Daily Journal
Komorebi Inc.
App Store
$289/mo
~$3.5K/yr · 45K installs
Revenue winner
Simple Diary - Daily Journal wins
+2527% vs other
Installs winner
Simple Diary - Daily Journal wins
+772% vs other
MAU winner
Simple Diary - Daily Journal wins
+802% vs other
Rating winner
Simple Diary - Daily Journal wins
+11% vs other
Why Simple Diary - Daily Journal is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- Simple Diary - Daily Journal earns roughly 26× more per month than Notes, Journal, Diary: PenCake - $289 vs $11.
- Premium pricing. Simple Diary - Daily Journal charges $3.99/mo vs Notes, Journal, Diary: PenCake's $0.58/mo - higher ARPU per converted user.
- Bigger install base. Simple Diary - Daily Journal has ~45K lifetime installs vs Notes, Journal, Diary: PenCake's ~5K - 8.7× the funnel top.
- Better app store reviews. Simple Diary - Daily Journal sits at 4.75★ vs 4.27★ - store algorithms reward higher-rated apps with more impressions.
→ Find more apps with this revenue gap · Full Simple Diary - Daily Journal report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Notes, Journal, Diary: PenCake
vs
Simple Diary - Daily Journal
Monthly revenue (est.)?
$11
▶
$289
Annual revenue (est.)
$135
▶
$3.5K
Lifetime installs (est.)
5K
▶
45K
Monthly active users (est.)?
598
▶
5K
App Store rating
4.27★
▶
4.75★
Total ratings
104
▶
907
US grossing rank
-
=
-
Cheapest monthly sub
$0.58
▶
$3.99
IAP tiers detected
7 tiers
◀
3 tiers
- Category
- Lifestyle
- Price
- Free
- Released
- May 24, 2018
- Last updated
- Dec 31, 2025
- File size
- 98.2 MB
- Content rating
- 12+
- Version
- 3.16
- Languages
- English, Japanese, Korean, Portuguese, Chinese, Spanish +1 more
- Category
- Lifestyle
- Price
- Free
- Released
- Aug 5, 2018
- Last updated
- Jun 22, 2026
- File size
- 197.7 MB
- Content rating
- 4+
- Version
- 5.2.0
- Languages
- English, French, German, Hindi, Japanese, Korean +8 more
Notes, Journal, Diary: PenCake trajectory
Simple Diary - Daily Journal trajectory
FAQ
Which makes more money, Notes, Journal, Diary: PenCake or Simple Diary - Daily Journal? v
Simple Diary - Daily Journal earns about $289 per month, while Notes, Journal, Diary: PenCake earns about $11. That is a 26.3× revenue gap (~$278 more per month for Simple Diary - Daily Journal). Annual revenue: Notes, Journal, Diary: PenCake ≈ $135/year, Simple Diary - Daily Journal ≈ $3.5K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Notes, Journal, Diary: PenCake or Simple Diary - Daily Journal? v
Simple Diary - Daily Journal leads with about 45K estimated downloads vs 5K for Notes, Journal, Diary: PenCake - a 8.7× gap. Notes, Journal, Diary: PenCake's App Store downloads are estimated from 104 ratings × the standard 1:75 ratio. Simple Diary - Daily Journal's App Store downloads are estimated from 907 ratings.
Are Notes, Journal, Diary: PenCake and Simple Diary - Daily Journal in the same App Store category and competing for the same money? v
Yes - both apps sit in the Lifestyle 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 Notes, Journal, Diary: PenCake and Simple Diary - Daily Journal offer? v
Notes, Journal, Diary: PenCake: IAP range 7 tiers detected. Simple Diary - Daily Journal: IAP range 3 tiers detected. Notes, Journal, Diary: PenCake runs a "Subscription (~$0.58/mo)" monetization model; Simple Diary - Daily Journal runs "Subscription (~$1.67/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Notes, Journal, Diary: PenCake or Simple Diary - Daily Journal? v
Simple Diary - Daily Journal edges ahead with ★ 4.7 vs ★ 4.3 (gap of 0.5 stars). Rating volume: Notes, Journal, Diary: PenCake 104 ratings, Simple Diary - Daily Journal 907 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Notes, Journal, Diary: PenCake vs Simple Diary - Daily Journal revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $11 for Notes, Journal, Diary: PenCake and $289 for Simple Diary - Daily Journal are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Lifestyle) - 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 Notes, Journal, Diary: PenCake or Simple Diary - Daily Journal 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.