Comparison

Trajectory vs Safe_Distance

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

Head to head
About

Trajectory

Features
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Detects the trajectories of shapes moving along a parabolic path

About

Safe_Distance

Features
Read full description

Safe Distance – Intelligent Safety Perimeter Calculator Stay safe with real-time hazard exclusion zones, powered by GPS and smart algorithms. Safe Distance is your go-to app for calculating and monitoring safe zones during high-risk operations such as pneumatic testing, chemical handling, and blast hazard control. Key Features: Live GPS-Based Calculations: Automatically computes safe distance from your exact location. Dynamic Risk Radius: Factors in pressure, substance type, and other parameters. Weather-Aware Zones: Adjusts exclusion area in real time based on wind and environmental conditions. Instant Alerts: Broadcast evacuation zones to team members via SMS, WhatsApp, or email. Interactive Maps: Visualize safe/unsafe zones with intuitive color-coded markers. Use Cases: Pneumatic and hydrostatic test cordoning Blast zone mapping during demolitions Smart, Simple, Field-Ready: Whether you’re a safety engineer, site supervisor, or field technician, Safe Distance gives you the confidence to manage danger zones quickly and accurately β€” with zero manual calculations.

Screenshots

Trajectory1 screens
Safe_Distance4 screens

Verdict

The call

The clearest difference is ads: Safe_Distance at none against Trajectory's shown. Safe_Distance also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.7.2). On price and in-app purchases there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

Scorecard3 real differences Β· 3 level
Trajectory versus Safe_Distance: the parameters behind the verdict, then further details
ParameterTrajectorySafe_Distance
PriceFreeFree
Update frequencyFortnightlyβ€”
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS17.7.212.0 β€” better
Further details β€” not scored
Size36 MB33 MB
Age rating4+4+
DeveloperHideaki UchikoshiGAMAL ABDELNASER GABR GABR

In-app purchases

None

Trajectory

No in-app purchases

None

Safe_Distance

No in-app purchases

Questions

Is Trajectory free?
Trajectory is free to download, with no in-app purchases.
Is Safe_Distance free?
Safe_Distance is free to download, with no in-app purchases.
Do Trajectory or Safe_Distance have ads?
Trajectory shows ads; Safe_Distance does not.

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