GrayZone - Light Meter vs Secret Photo Vault: Keepsafe
GrayZone - Light Meter
Massimiliano Schenetti
App Store
$32/mo
~$383/yr · 400 installs
VS
Secret Photo Vault: Keepsafe
KeepSafe Software, Inc
App Store
$2.29M/mo
~$27.48M/yr · 56.6M installs
Revenue winner
Secret Photo Vault: Keepsafe wins
+7156459% vs other
Installs winner
Secret Photo Vault: Keepsafe wins
+14158625% vs other
MAU winner
Secret Photo Vault: Keepsafe wins
+2191653% vs other
Rating winner
GrayZone - Light Meter wins
+5% vs other
Why Secret Photo Vault: Keepsafe is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- Secret Photo Vault: Keepsafe earns roughly 71566× more per month than GrayZone - Light Meter - $2.29M vs $32.
- Subscription model. Secret Photo Vault: Keepsafe runs a $9.99/mo subscription that compounds; GrayZone - Light Meter relies on one-shot IAP or ads.
- Bigger install base. Secret Photo Vault: Keepsafe has ~56.6M lifetime installs vs GrayZone - Light Meter's ~400 - 141587.3× the funnel top.
- More monetization surfaces. Secret Photo Vault: Keepsafe runs 4 IAP tiers vs 0 - more chances to convert users at the right price.
→ Find more apps with this revenue gap · Full Secret Photo Vault: Keepsafe report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
GrayZone - Light Meter
vs
Secret Photo Vault: Keepsafe
Monthly revenue (est.)?
$32
▶
$2.29M
Annual revenue (est.)
$383
▶
$27.48M
Lifetime installs (est.)
400
▶
56.6M
Monthly active users (est.)?
129.2
▶
2.8M
App Store rating
5.00★
◀
4.75★
Total ratings
1
▶
378K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$9.99
IAP tiers detected
0 tiers
▶
4 tiers
- Category
- Photo & Video
- Price
- USD2.99
- Released
- Jan 6, 2026
- Last updated
- Jun 20, 2026
- File size
- 3.0 MB
- Content rating
- 4+
- Version
- 3.2
- Languages
- English
- Category
- Photo & Video
- Price
- Free
- Released
- Apr 6, 2012
- Last updated
- Jun 27, 2026
- File size
- 186.0 MB
- Content rating
- 4+
- Version
- 13.26.6
- Languages
- Arabic, English, French, German, Hebrew, Hindi +9 more
GrayZone - Light Meter trajectory
Secret Photo Vault: Keepsafe trajectory
FAQ
Which makes more money, GrayZone - Light Meter or Secret Photo Vault: Keepsafe? v
Secret Photo Vault: Keepsafe earns about $2.29M per month, while GrayZone - Light Meter earns about $32. That is a 71565.6× revenue gap (~$2.29M more per month for Secret Photo Vault: Keepsafe). Annual revenue: GrayZone - Light Meter ≈ $383/year, Secret Photo Vault: Keepsafe ≈ $27.48M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, GrayZone - Light Meter or Secret Photo Vault: Keepsafe? v
Secret Photo Vault: Keepsafe leads with about 56.6M estimated downloads vs 400 for GrayZone - Light Meter - a 141587.3× gap. GrayZone - Light Meter's App Store downloads are estimated from 1 ratings × the standard 1:75 ratio. Secret Photo Vault: Keepsafe's App Store downloads are estimated from 378K ratings.
Are GrayZone - Light Meter and Secret Photo Vault: Keepsafe in the same App Store category and competing for the same money? v
Yes - both apps sit in the Photo & Video 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 GrayZone - Light Meter and Secret Photo Vault: Keepsafe offer? v
GrayZone - Light Meter: no IAP detected on the public listing. Secret Photo Vault: Keepsafe: IAP range 4 tiers detected. GrayZone - Light Meter runs a "Paid app ($2.99)" monetization model; Secret Photo Vault: Keepsafe runs "Subscription (~$9.99/mo, security)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, GrayZone - Light Meter or Secret Photo Vault: Keepsafe? v
GrayZone - Light Meter edges ahead with ★ 5.0 vs ★ 4.7 (gap of 0.3 stars). Rating volume: GrayZone - Light Meter 1 ratings, Secret Photo Vault: Keepsafe 378K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these GrayZone - Light Meter vs Secret Photo Vault: Keepsafe revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $32 for GrayZone - Light Meter and $2.29M for Secret Photo Vault: Keepsafe are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Photo & Video) - 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 GrayZone - Light Meter or Secret Photo Vault: Keepsafe 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.