Comparison

Vision Object Detection vs SEN4ALL

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Vision Object Detection

Features
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Detect and classify objects on photos from the gallery or acquired by the auto capture camera. The object detection features and auto capture camera can work together or independently for professional surveying or personal purposes. The object detection most relevant use cases are the anonymization photos (blurring faces), and count objects in mobility scenarios (for instance, count the number of persons and vehicles on specific urban areas). The detection features has the following functions: a) Detect objects using different models. There currently are two types of models available: the generic object detection (80 objects grouped in 12 categories, that includes the mobility categories such as vehicles, persons, outdoor), and the faces detection b) Take actions on images with detections: mark bounding boxes or blur the detection area (used on the anonymization of faces). c) Analyse the detection statistics, including the detection count per category d) Export/Share the processed images and the detection statistics to CSV files The auto camera features allows surveying with a GPS camera for capturing pictures automatically with location. The auto camera has the following functions: a) Capturing of photos with location using time trigger shooter, in landscape and portrait mode. b) Export sequence of photos to CSV file

About

SEN4ALL

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APPLICATION FOR LAND, WATER AND AIR QUALITY MONITORING USING COPERNICUS SENTINELS AND LAND MONITORING SERVICE SEN4ALL is a mobile phone application for European citizens offering easily accessible information on land, water and air monitoring. This application enables users to target precise geographical areas and to display maps showing crops characteristics, water and air quality, vegetation status and data for urban monitoring and planning, based on Earth Observation system (Copernicus Sentinel and Corine Land Cover). SEN4ALL relies on real-time data retrieved form Copernicus Sentinels 1, 2, 5 and CORINE land cover, including water surface roughness, urban area location and monitoring, crop monitoring, NDVI, soil moisture and concentration of multiple gases in the atmosphere. To check if the device that you are using can support all the Copernicus services, the following traffic lights are giving a confirmation of your smartphone capabilities.

Screenshots

Vision Object Detection4 screens
SEN4ALL1 screens

Verdict

The call

Vision Object Detection and SEN4ALL are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

ScorecardNo meaningful differences
Vision Object Detection versus SEN4ALL: the parameters behind the verdict, then further details
ParameterVision Object DetectionSEN4ALL
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.614.0 โ€” better
Further details โ€” not scored
Size132 MB7 MB
Age rating4+4+
DeveloperBluecover Technologies LdaERASMICOIN SRL

In-app purchases

None

Vision Object Detection

No in-app purchases

None

SEN4ALL

No in-app purchases

Questions

Is Vision Object Detection free?
Vision Object Detection is free to download, with no in-app purchases.
Is SEN4ALL free?
SEN4ALL is free to download, with no in-app purchases.
Do Vision Object Detection or SEN4ALL have ads?
Neither Vision Object Detection nor SEN4ALL shows ads.
Which is updated more often, Vision Object Detection or SEN4ALL?
Vision Object Detection ships an update every 2 months, and SEN4ALL every 2 months. Most recently, Vision Object Detection was updated on October 11, 2026 and SEN4ALL on September 30, 2026.

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