Version history
Zone System
43
ASO score
Text
37/100
Reviews
50/100
Graphic
60/100
Other
0/100
App Rating
4
Votes
3
App Age
10m 30d
Last Update
Sep 28, 2025
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
4
|
4.66
|
-14%
|
|
Number of Ratings (Voted)
|
3
|
8.2M
|
-100%
|
|
App Age
|
0y 11m
|
8y 11m
|
-90%
|
|
In-app Purchases Price
|
$0
|
$42
|
|
|
Update Frequency
|
30d
|
22d
|
+35%
|
|
Title Length
|
11
|
26
|
-58%
|
|
Subtitle Length
|
27
|
28
|
-4%
|
|
Description Length
|
366
|
3 042
|
-88%
|
|
Number of Screenshots
|
624
|
1439
|
-57
%
|
|
Size
|
12MB
|
306MB
|
-96
%
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Jan 03, 2026 | Jan 10, 2026 |
|---|---|---|
|
No results were found!
|
||
| Top | Jan 03, 2026 | Jan 10, 2026 |
|---|---|---|
|
No results were found!
|
||
| Top | Jan 03, 2026 | Jan 10, 2026 |
|---|---|---|
|
No results were found!
|
||
| Top | Jan 03, 2026 | Jan 10, 2026 |
|---|---|---|
|
No results were found!
|
||
Ranking Keywords in United States
| Keywords | App Rank |
|---|
Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
11
of 30
)
Zone System
Subtitle
(
Characters:
27
of 30
)
Exposure & development tool
Description
(
Characters:
366
of 4000
)
Zone System is a practical tool for applying Ansel Adams’ exposure and development method.
• Measure shadows and highlights to set exposure
• Get aperture and development (N, N+, N–) calculations
• Preview results with film stock presets
• Get calculations for aperture, shutter speed, ISO, and EV
This app makes the Zone System simpler, faster, and more reliable.}
Other
Additional Information
| Rating: | |
| Voted: | 3 |
| App Store Link: | |
| Website: | - |
| Email: | - |
| Privacy Policy: | |
| Categories: | Photo & Video |
| Size: | 11MB |
| App Age: | 10 months 30 days |
| Release Date: | Feb 12, 2025 |
| Last Update: | Sep 28, 2025 |
| Version: | 2.5.2 |
Version history
2.5.2
Sep 28, 2025
• Added shutter speed, ISO, and EV calculations
• Added Share Feedback option to report errors and to request features
2.5.1
Sep 17, 2025
• Bug fixes