Comparison

Silent Observer vs SUNRISE OTA

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

Head to head

Silent Observer

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About

Silent Observer

Features

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Silent Observer provides citizens in Kent County, Michigan a safe and anonymous way to report a crime. Silent Observer is most interested in information about serious crimes that affect the safety and well-being of your neighborhood, community and school. Tips on serious crimes like murder, assault, rape, robbery, weapons, felony warrants, drug dealing, and burglary as well as code of conduct infractions occurring on school grounds is information Silent Observer would like to receive. That information is then sent to police for follow-up and if your tip leads to the arrest, you may be eligible for a reward.

About

SUNRISE OTA

Features

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Sunrise-OTA is an over-the-air update service that provides fast firmware updates for specific fitness device smartwatches.

Screenshots

Silent Observer4 screens

SUNRISE OTA3 screens

Verdict

The call

The clearest difference is update cadence: SUNRISE OTA at every 3 months against Silent Observer's every 34 months. Silent Observer's advantage is iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and device support 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

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

UpkeepUpdate frequency

Silent Observer ships an update every 34 months, SUNRISE OTA every 3 months. Both last shipped on October 26, 2026.

Scorecard2 real differences · 4 level

Silent Observer versus SUNRISE OTA: the parameters behind the verdict, then further details
Parameter	Silent Observer	SUNRISE OTA
Price	Free	Free
Update frequency	Every 34 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	15.6
Further details — not scored
Size	30 MB	9 MB
Age rating	4+	9+
Developer	Navigate360, LLC	Sr Technology Co., Ltd.

In-app purchases

None

Silent Observer

No in-app purchases

None

SUNRISE OTA

No in-app purchases

Questions

Is Silent Observer free?

Silent Observer is free to download, with no in-app purchases.

Is SUNRISE OTA free?

SUNRISE OTA is free to download, with no in-app purchases.

Do Silent Observer or SUNRISE OTA have ads?

Neither Silent Observer nor SUNRISE OTA shows ads.

Which is updated more often, Silent Observer or SUNRISE OTA?

Silent Observer ships an update every 34 months, and SUNRISE OTA every 3 months. Most recently, Silent Observer was updated on October 26, 2026 and SUNRISE OTA on October 26, 2026.