Comparison

Radio ID vs River Sentry

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

Head to head
About

Radio ID

This utility decodes two-way radio transmissions using industry-standard formats like Motorola MDC-1200, GE STAR, and Kenwood FleetSync. It also supports QuickCall II signaling, making it an essential tool for radio technicians and scanner enthusiasts.

Highlights
  • Decodes Motorola MDC-1200
  • Decodes GE STAR
  • Decodes Kenwood FleetSync
  • Decodes QuickCall II signaling
  • Useful for radio technicians
  • Helpful for scanner listeners
Features
Currently charting
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Identify two-way radio transmissions made using Motorola MDC-1200, GE STAR, or Kenwood FleetSync radio identifier formats. Also decodes QuickCall II signaling format. (All formats trademarks of their respective owners). Invaluable tool for the two-way radio technician and a helpful utility for the serious scanner listener.

About

River Sentry

Features
Read full description

River Sentry Mobile helps users view River Sentry sensor locations and test alert behavior from a mobile device. The app provides a simple map-based view of deployed sensor towers so users can see where monitoring devices are located across supported properties and sites. It also includes alert simulation tools that allow users to trigger and review test alert scenarios within the app experience. Features: - View River Sentry sensor locations on an interactive map - Review tower details, including device status, type, family assignment, GPS coordinates, and altitude - Simulate alerts for testing, training, and demonstration purposes River Sentry Mobile is designed for organizations and users who need a convenient way to view sensor placement and interact with alert simulation features while in the field or on the go.

Screenshots

Radio ID4 screens
River Sentry3 screens

Verdict

The call

The clearest difference is price: River Sentry at Free against Radio ID's $0.99. Radio ID's advantage is chart position (#189 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

River Sentry is free to download; Radio ID costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 9 level
Radio ID versus River Sentry: the parameters behind the verdict, then further details
ParameterRadio IDRiver Sentry
Price$0.99Free — better
Rating3.6 (45 ratings) — better—
Positive reviews64.3% of reviews—
Number of ratings45 — better—
Update frequencyEvery 7 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank#189 — better—
DevicesiPhoneiPhone
Requires iOS16.016.0
Further details — not scored
Size1 MB121 MB
Age rating4+4+
DeveloperMatthew KaufmanRiver Sentry

In-app purchases

None

Radio ID

No in-app purchases

None

River Sentry

No in-app purchases

Questions

Is Radio ID free?
Radio ID costs $0.99, with no in-app purchases.
Is River Sentry free?
River Sentry is free to download, with no in-app purchases.
Do Radio ID or River Sentry have ads?
Neither Radio ID nor River Sentry shows ads.

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