Day One: Daily Journal & Diary vs Welltory: Heart Rate Monitor

Day One: Daily Journal & Diary

Bloom Built Inc
App Store
$692.1K/mo
~$8.31M/yr · 17.6M installs
VS

Welltory: Heart Rate Monitor

Welltory: heart-rate monitor & blood pressure log
Google Play
$329.3K/mo
~$3.95M/yr · 5.8M installs
Revenue winner Day One: Daily Journal & Diary wins +110% vs other
Installs winner Day One: Daily Journal & Diary wins +204% vs other
MAU winner Day One: Daily Journal & Diary wins +581% vs other
Rating winner Day One: Daily Journal & Diary wins +5% vs other

Why Day One: Daily Journal & Diary is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Day One: Daily Journal & Diary earns roughly 2× more per month than Welltory: Heart Rate Monitor - $692.1K vs $329.3K.
  2. Aggressive pricing. Day One: Daily Journal & Diary undercuts at $8.99/mo vs $19.85/mo - converts a higher % of free users.
  3. Bigger install base. Day One: Daily Journal & Diary has ~17.6M lifetime installs vs Welltory: Heart Rate Monitor's ~5.8M - 3.0× the funnel top.
  4. More monetization surfaces. Day One: Daily Journal & Diary runs 5 IAP tiers vs 0 - more chances to convert users at the right price.

Find more apps with this revenue gap · Full Day One: Daily Journal & Diary report

Side-by-side metrics

Bars scale to whichever app is bigger on that row. Green = winner.

Day One: Daily Journal & Diary
vs
Welltory: Heart Rate Monitor
Monthly revenue (est.)?
$692.1K
$329.3K
Annual revenue (est.)
$8.31M
$3.95M
Lifetime installs (est.)
17.6M
5.8M
Monthly active users (est.)?
3.4M
503K
App Store rating
4.83★
4.61★
Total ratings
117K
59K
US grossing rank
-
=
-
Cheapest monthly sub
$8.99
$19.85
IAP tiers detected
5 tiers
0 tiers

Day One: Daily Journal & Diary

Bloom Built Inc
App Store
Category
Health & Fitness
Price
Free
Released
Feb 4, 2016
Last updated
Jun 22, 2026
File size
189.3 MB
Content rating
4+
Version
2026.13
Languages
Arabic, Czech, Danish, Dutch, English, Finnish +20 more
View full Day One: Daily Journal & Diary report →

Welltory: Heart Rate Monitor

Welltory: heart-rate monitor & blood pressure log
Google Play
Category
Health & Fitness
Price
Free
Released
Feb 10, 2017
Last updated
Jun 10, 2026
File size
-
Content rating
Teen
Version
4.30.80
Languages
-
View full Welltory: Heart Rate Monitor report →

Day One: Daily Journal & Diary trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Welltory: Heart Rate Monitor trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

FAQ

Which makes more money, Day One: Daily Journal & Diary or Welltory: Heart Rate Monitor? v
Day One: Daily Journal & Diary earns about $692.1K per month, while Welltory: Heart Rate Monitor earns about $329.3K. That is a 2.1× revenue gap (~$362.8K more per month for Day One: Daily Journal & Diary). Annual revenue: Day One: Daily Journal & Diary ≈ $8.31M/year, Welltory: Heart Rate Monitor ≈ $3.95M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Day One: Daily Journal & Diary or Welltory: Heart Rate Monitor? v
Day One: Daily Journal & Diary leads with about 17.6M estimated downloads vs 5.8M for Welltory: Heart Rate Monitor - a 3.0× gap. Day One: Daily Journal & Diary's App Store downloads are estimated from 117K ratings × the standard 1:75 ratio. Welltory: Heart Rate Monitor reports 5,000,000+ installs on Google Play.
Are Day One: Daily Journal & Diary and Welltory: Heart Rate Monitor in the same App Store category on each store and competing for the same money? v
Yes - both apps sit in the Health & Fitness 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 Day One: Daily Journal & Diary and Welltory: Heart Rate Monitor offer? v
Day One: Daily Journal & Diary: IAP range 5 tiers detected. Welltory: Heart Rate Monitor: IAP range $4.99 - $79.00 per item. Day One: Daily Journal & Diary runs a "Subscription (~$6.25/mo)" monetization model; Welltory: Heart Rate Monitor runs "Subscription (~$19.85/mo, wellness)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Day One: Daily Journal & Diary or Welltory: Heart Rate Monitor? v
Day One: Daily Journal & Diary edges ahead with ★ 4.8 vs ★ 4.6 (gap of 0.2 stars). Rating volume: Day One: Daily Journal & Diary 117K ratings, Welltory: Heart Rate Monitor 3K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Day One: Daily Journal & Diary vs Welltory: Heart Rate Monitor revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $692.1K for Day One: Daily Journal & Diary and $329.3K for Welltory: Heart Rate Monitor are derived from App Store grossing rank / Google Play install ranges, scraped IAP tiers, ratings volume and category benchmarks (Health & Fitness) - 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 Day One: Daily Journal & Diary or Welltory: Heart Rate Monitor 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.