Prothelis vs Keep in Memory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Track unlimited devices
- Create virtual geofences
- Speed limit alerts
- Temperature monitoring
- Push and phone call notifications
- Navigation to tracker
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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!
Keep in Memory
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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
Verdict
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
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.
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.
| Parameter | Prothelis | Keep in Memory |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 27 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Reinhold Busch Prothelis e. K. | MUSTAFA KEMAL DEMIR |
In-app purchases
Prothelis
No in-app purchases
Keep in Memory
No in-app purchases
Questions
Is Prothelis free?
Is Keep in Memory free?
Do Prothelis or Keep in Memory have ads?
Which is updated more often, Prothelis or Keep in Memory?
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