Comparison

Tether vs Radius Alert

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

Head to head
About

Tether

Features
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Forget that moment of panic in a crowded parking lot. With Parking Timer & Location, you get a simple and reliable assistant to track your spot and your time, letting you get back to what matters. NEVER LOSE YOUR CAR AGAIN One-Tap Location Save: Uses your phone's GPS to instantly save your parking spot on a map. Live Walking Directions: Guides you back to your car with a clear compass and walking directions in Apple Maps or Google Maps. AVOID COSTLY PARKING FINES Flexible Timers: Start a simple stopwatch to see how long you've been parked, or set a countdown timer for your parking meter and get a reminder before it expires. Live Activity & Dynamic Island: Keep an eye on your timer right from your Lock Screen. No need to even unlock your phone. ALL YOUR INFO IN ONE PLACE Add Photos & Notes: Snap a picture of your spot or add a note like "Level 3, near the elevator" so you never forget. Detailed History: Your past parking sessions are automatically saved, creating a perfect log of where you've been. Download Parking Timer & Location today for a stress-free parking experience!

About

Radius Alert

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Radius Alert helps you travel with confidence. Whether you’re on a bus, train, or exploring a new city, the app notifies you when you’re close to your chosen stop or location. No more missed stops, no more stress. Key Features: • Set Your Stop Easily: Pick a spot on the map or search for a location • Customizable Radius • Smart Notifications: Get notified when you’re about to reach your destination — even if you’re browsing the web, scrolling TikTok, or doing something else Perfect for: • Daily commuters who don’t want to miss their stop • Travelers in new cities • People who get easily distracted on their phones during trips Stay relaxed, stay on track, and let Radius Alert do the work for you.

Screenshots

Tether4 screens
Radius Alert4 screens

Verdict

The call

The clearest difference is update cadence: Radius Alert at every 2 days against Tether's every 12 months. 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

Tether ships an update every 12 months, Radius Alert every 2 days. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

Scorecard1 real difference · 5 level
Tether versus Radius Alert: the parameters behind the verdict, then further details
ParameterTetherRadius Alert
PriceFreeFree
Update frequencyEvery 12 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS17.6 — better18.0
Further details — not scored
Size14 MB10 MB
Age rating4+4+
DeveloperMykola RudenkoKavinda Dilshan Paramsoodi

In-app purchases

None

Tether

No in-app purchases

None

Radius Alert

No in-app purchases

Questions

Is Tether free?
Tether is free to download, with no in-app purchases.
Is Radius Alert free?
Radius Alert is free to download, with no in-app purchases.
Do Tether or Radius Alert have ads?
Neither Tether nor Radius Alert shows ads.
Which is updated more often, Tether or Radius Alert?
Tether ships an update every 12 months, and Radius Alert every 2 days. Most recently, Tether was updated on September 21, 2026 and Radius Alert on September 20, 2026.

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