Fitdays vs NightWell:Smart Sleep Tracker
Fitdays
GUANGDONG ICOMON TECHNOLOGY CO., LTD
App Store
$0/mo
~$0/yr · 156K installs
VS
NightWell:Smart Sleep Tracker
株式会社C2
App Store
$66/mo
~$791/yr · 800 installs
Revenue winner
NightWell:Smart Sleep Tracker wins
+6600% vs other
Installs winner
Fitdays wins
+19440% vs other
MAU winner
Fitdays wins
+18444% vs other
Rating winner
NightWell:Smart Sleep Tracker wins
+19% vs other
Why NightWell:Smart Sleep Tracker is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- NightWell:Smart Sleep Tracker earns roughly 66× more per month than Fitdays - $66 vs $0.
- Subscription model. NightWell:Smart Sleep Tracker runs a $9.99/mo subscription that compounds; Fitdays relies on one-shot IAP or ads.
- Better app store reviews. NightWell:Smart Sleep Tracker sits at 4.56★ vs 3.83★ - store algorithms reward higher-rated apps with more impressions.
→ Find more apps with this revenue gap · Full NightWell:Smart Sleep Tracker report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Fitdays
vs
NightWell:Smart Sleep Tracker
Monthly revenue (est.)?
$0
▶
$66
Annual revenue (est.)
$0
▶
$791
Lifetime installs (est.)
156K
◀
800
Monthly active users (est.)?
38K
◀
204
App Store rating
3.83★
▶
4.56★
Total ratings
2K
◀
16
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$9.99
IAP tiers detected
0 tiers
▶
2 tiers
- Category
- Health & Fitness
- Price
- Free
- Released
- Sep 29, 2018
- Last updated
- Jun 2, 2026
- File size
- 214.5 MB
- Content rating
- 4+
- Version
- 1.27.8
- Languages
- Arabic, Bulgarian, Czech, Danish, Dutch, English +19 more
- Category
- Health & Fitness
- Price
- Free
- Released
- May 1, 2014
- Last updated
- Jun 18, 2026
- File size
- 125.0 MB
- Content rating
- 4+
- Version
- 5.3.30
- Languages
- English, Japanese
Fitdays trajectory
NightWell:Smart Sleep Tracker trajectory
FAQ
Which makes more money, Fitdays or NightWell:Smart Sleep Tracker? v
NightWell:Smart Sleep Tracker earns about $66 per month, while Fitdays earns about $0. That is a ∞× revenue gap (~$66 more per month for NightWell:Smart Sleep Tracker). Annual revenue: Fitdays ≈ $0/year, NightWell:Smart Sleep Tracker ≈ $791/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Fitdays or NightWell:Smart Sleep Tracker? v
Fitdays leads with about 156K estimated downloads vs 800 for NightWell:Smart Sleep Tracker - a 195.4× gap. Fitdays's App Store downloads are estimated from 2K ratings × the standard 1:75 ratio. NightWell:Smart Sleep Tracker's App Store downloads are estimated from 16 ratings.
Are Fitdays and NightWell:Smart Sleep Tracker in the same App Store category 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 Fitdays and NightWell:Smart Sleep Tracker offer? v
Fitdays: no IAP detected on the public listing. NightWell:Smart Sleep Tracker: IAP range 2 tiers detected. Fitdays runs a "No App Store revenue (monetizes off-store)" monetization model; NightWell:Smart Sleep Tracker runs "Subscription (~$9.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Fitdays or NightWell:Smart Sleep Tracker? v
NightWell:Smart Sleep Tracker edges ahead with ★ 4.6 vs ★ 3.8 (gap of 0.7 stars). Rating volume: Fitdays 2K ratings, NightWell:Smart Sleep Tracker 16 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Fitdays vs NightWell:Smart Sleep Tracker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $0 for Fitdays and $66 for NightWell:Smart Sleep Tracker are derived from App Store grossing rank, 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 Fitdays or NightWell:Smart Sleep Tracker 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.