Comparison

Prothelis vs Keep in Memory

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

Head to head
About

Prothelis

This app provides reliable escort protection and location tracking for individuals and valuables. It allows users to monitor the real-time location and movement history of trackers, set up virtual fences, and receive alerts for speed or temperature changes. Notifications can be delivered via push messages or phone calls.

Highlights
  • Track unlimited devices
  • Create virtual geofences
  • Speed limit alerts
  • Temperature monitoring
  • Push and phone call notifications
  • Navigation to tracker
Features
Read full description

Prothelis - Your all-in-one app! The Prothelis app helps you to keep an eye on your loved ones. Together with the safety and location systems, this app provides reliable escort protection for people with special protection needs (children, senior citizens, extreme athletes, etc.) and beyond to secure valuables of all kinds, as well as for locating domestic and farm animals. Any number of trackers The Prothelis App allows you to track any number of trackers. See where the trackers are right now, or view the history to see how your tracker has moved. Geofences (virtual fences) You can set up geofences in the Prothelis app. These allow you to be notified when your tracker enters or leaves this area. Top speed Check the speed of your tracker and use the app to set a maximum allowed speed for your tracker. If this is exceeded you will be informed. Temperature warning With the help of the temperature warning you can set within the Prothelis app a temperature range, which the tracker may not exceed or fall below. Push notification and phone call When events occur, you will receive a push message. In addition, you can also be informed by telephone via our notification service. Features ● Trace any number of trackers at the same time ● Creating geofences (virtual fences) ● Notification upon entering / leaving a geofence ● Notification if a speed is exceeded ● Notification if the temperature is too high or too low ● Notification via push or phone call ● Navigation to the tracker The app informs you where your loved ones are and makes tracking easy!

About

Keep in Memory

Features
Read full description

Keep in Memory is a simple reminder app designed to help you easily remember forgotten items and important locations. Take a photo, automatically add the location, and save your note. Then, quickly remember where you left what you're looking for. Key features: • Quick saving by taking a photo • Storage with location information • Simple and straightforward to use • Makes it easy to find forgotten items or locations again • Practical organization for personal use Keep in Memory is designed for users who want to remember keys, bags, vehicles, documents, parking spaces, or other important points later.

Screenshots

Prothelis4 screens
Keep in Memory4 screens

Verdict

The call

The clearest difference is price: Prothelis at Free against Keep in Memory's $0.99. Prothelis also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.2). Keep in Memory's advantage is update cadence (every 3 days vs every 6 weeks). On ads and in-app purchases 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

Prothelis is free to download; Keep in Memory costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Prothelis ships an update every 6 weeks, Keep in Memory every 3 days. The most recent releases landed on October 16, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 6 level
Prothelis versus Keep in Memory: the parameters behind the verdict, then further details
ParameterProthelisKeep in Memory
PriceFree — better$0.99
Rating3.0 (2 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 6 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better26.2
Further details — not scored
Size27 MB1 MB
Age rating4+4+
DeveloperReinhold Busch Prothelis e. K.MUSTAFA KEMAL DEMIR

In-app purchases

None

Prothelis

No in-app purchases

None

Keep in Memory

No in-app purchases

Questions

Is Prothelis free?
Prothelis is free to download, with no in-app purchases.
Is Keep in Memory free?
Keep in Memory costs $0.99, with no in-app purchases.
Do Prothelis or Keep in Memory have ads?
Neither Prothelis nor Keep in Memory shows ads.
Which is updated more often, Prothelis or Keep in Memory?
Prothelis ships an update every 6 weeks, and Keep in Memory every 3 days. Most recently, Prothelis was updated on October 16, 2026 and Keep in Memory on September 28, 2026.

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