AppLock - photo lock vs DuckDuckGo, optional Duck.ai
AppLock - photo lock
DoMobile Co., Ltd.
App Store
$0/mo
~$0/yr · 20K installs
VS
DuckDuckGo, optional Duck.ai
DuckDuckGo, Inc.
App Store
$4.35M/mo
~$52.20M/yr · 400.2M installs
Revenue winner
DuckDuckGo, optional Duck.ai wins
+434975100% vs other
Installs winner
DuckDuckGo, optional Duck.ai wins
+2001100% vs other
MAU winner
DuckDuckGo, optional Duck.ai wins
+293654% vs other
Rating winner
DuckDuckGo, optional Duck.ai wins
+34% vs other
Why DuckDuckGo, optional Duck.ai is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- DuckDuckGo, optional Duck.ai earns roughly 4349751× more per month than AppLock - photo lock - $4.35M vs $0.
- Subscription model. DuckDuckGo, optional Duck.ai runs a $9.99/mo subscription that compounds; AppLock - photo lock relies on one-shot IAP or ads.
- Bigger install base. DuckDuckGo, optional Duck.ai has ~400.2M lifetime installs vs AppLock - photo lock's ~20K - 20012.0× the funnel top.
- More monetization surfaces. DuckDuckGo, optional Duck.ai runs 6 IAP tiers vs 0 - more chances to convert users at the right price.
→ Find more apps with this revenue gap · Full DuckDuckGo, optional Duck.ai report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
AppLock - photo lock
vs
DuckDuckGo, optional Duck.ai
Monthly revenue (est.)?
$0
▶
$4.35M
Annual revenue (est.)
$0
▶
$52.20M
Lifetime installs (est.)
20K
▶
400.2M
Monthly active users (est.)?
2K
▶
6.4M
App Store rating
3.60★
▶
4.85★
Total ratings
400
▶
2.4M
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$9.99
IAP tiers detected
0 tiers
▶
6 tiers
- Category
- Utilities
- Price
- Free
- Released
- May 15, 2020
- Last updated
- May 27, 2026
- File size
- 65.9 MB
- Content rating
- 17+
- Version
- 1.3.5
- Languages
- Arabic, Czech, Danish, Dutch, English, Finnish +24 more
- Category
- Utilities
- Price
- Free
- Released
- Jun 27, 2013
- Last updated
- Jun 29, 2026
- File size
- 204.2 MB
- Content rating
- 17+
- Version
- 7.226.0
- Languages
- Bulgarian, Croatian, Czech, Danish, Dutch, English +20 more
AppLock - photo lock trajectory
DuckDuckGo, optional Duck.ai trajectory
FAQ
Which makes more money, AppLock - photo lock or DuckDuckGo, optional Duck.ai? v
DuckDuckGo, optional Duck.ai earns about $4.35M per month, while AppLock - photo lock earns about $0. That is a ∞× revenue gap (~$4.35M more per month for DuckDuckGo, optional Duck.ai). Annual revenue: AppLock - photo lock ≈ $0/year, DuckDuckGo, optional Duck.ai ≈ $52.20M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, AppLock - photo lock or DuckDuckGo, optional Duck.ai? v
DuckDuckGo, optional Duck.ai leads with about 400.2M estimated downloads vs 20K for AppLock - photo lock - a 20012.0× gap. AppLock - photo lock's App Store downloads are estimated from 400 ratings × the standard 1:75 ratio. DuckDuckGo, optional Duck.ai's App Store downloads are estimated from 2.4M ratings.
Are AppLock - photo lock and DuckDuckGo, optional Duck.ai in the same App Store category and competing for the same money? v
Yes - both apps sit in the Utilities 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 AppLock - photo lock and DuckDuckGo, optional Duck.ai offer? v
AppLock - photo lock: no IAP detected on the public listing. DuckDuckGo, optional Duck.ai: IAP range 6 tiers detected. AppLock - photo lock runs a "No App Store revenue (monetizes off-store)" monetization model; DuckDuckGo, optional Duck.ai runs "Subscription (~$8.33/mo, security)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, AppLock - photo lock or DuckDuckGo, optional Duck.ai? v
DuckDuckGo, optional Duck.ai edges ahead with ★ 4.8 vs ★ 3.6 (gap of 1.2 stars). Rating volume: AppLock - photo lock 400 ratings, DuckDuckGo, optional Duck.ai 2.4M ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these AppLock - photo lock vs DuckDuckGo, optional Duck.ai revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $0 for AppLock - photo lock and $4.35M for DuckDuckGo, optional Duck.ai are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Utilities) - 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 AppLock - photo lock or DuckDuckGo, optional Duck.ai 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.