Salat Calculator vs PrepTracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Salat Calculator
This app calculates daily prayer times based on your GPS location and determines the Qibla direction. It offers customizable Adhan alarms with various tones and allows for precise adjustment of prayer times. Advanced calculation methods are available for different regions and twilight conditions.
- GPS-based prayer time calculation
- Qibla direction finder (true north & sun)
- Customizable Adhan alarms with 5 tones
- Adjustable alarm times (+/- 100 minutes)
- Advanced calculation methods for Fajr/Ishaa
- 30-day prayer time view
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The Salat times of the 5 daily prayers are calculated for the location obtained by your GPS. Also calculates the Qibla direction relative to true north and also relative to the sun. Large Salat times makes it easy to read and the next Salat time is highlighted in green colour. A choice of 5 different Adhans to be used as alarms for each of the 5 Salat times. Each Alarm time can adjusted +/- 100 minutes from the current Salat time. In addition, 5 different tone alarms are also available Pressing the Next Button will display the next day's time. A press and hold on the Next Button will display the times 30 days on. Similarly, for the Previous button. Each Salat's alarm time is set by adjusting it's slider. The user is presented with 4 user options for Fajr and Ishaa calculation methods. The 80/90 Mins option has been developed under Khalifatul Masih IV (may Allah strengthen him) instructions that if in a location there is twilight, then Fajr angle is 90 minutes before sunrise. If there is no twilight then set the Fajr angle as 80 minutes before sunrise. There is a limiting latitude of 55.87 degrees, above which if there is no twilight then the timings are calculated for location at latitude 55.87 degrees. Other options are also available for other locations, and these are for calculation of Fajr and Ishaa times at sun being 18 degrees, 16 degrees or 12 degrees below the horizon. Each salat can be set to have a different adhans - up to 5 different adhans available and 5 different tones. Each adhan/tone alarm can be set at the Salat time, or easily adjust to +/- 100 minutes from the salat time. On the Adhan Alarm screen a click on the reset button will reset the active adhan slider time to mid point (i.e. at salat time). A press and hold on the reset button, sets all the 5 adhan slider times back to mid point. Listen to the Adhan by clicking on an Adhan Alarm button. Mute the sound by clicking on the same Adhan Alarm button. When the Alarm sounds, it can be silenced by clicking on the Alarm notification. Qibla direction is from True north, and also can be set by aligning with the sun position.
PrepTracker
Prepare your household for emergencies with this offline app. It helps you inventory supplies, identify gaps, and create family emergency plans. Access critical information like first aid guides and emergency contacts even without a signal.
- Offline functionality
- Supply inventory and readiness tracking
- Prioritized shopping lists
- Emergency Mode with first aid guides
- Family planning and communication tools
- Live alerts from official sources
- Privacy-focused design
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PrepTracker helps your household get ready for emergencies, calmly and one step at a time. It works fully offline and needs no account. See where you stand Count the water, food and essentials you already have. PrepTracker shows your runway: how many days your household could last, based on official guidelines for your country and household size. Close the gaps A prioritized list of what to buy next, sized to your family, plus reminders before supplies expire. Rotate what you have into everyday use so nothing is wasted. Be ready when it happens Emergency Mode puts your medical cards, emergency numbers and plans one tap away, even without signal. Outage Mode tracks how long the power has been out and what is still safe to eat. Step-by-step first aid guides for bleeding, CPR, choking, burns and more. Plan as a family Where to meet, who to call, evacuation routes, go-bags for every person and pet. Print a household sheet for the fridge. Link your household's phones so everyone sees the same list; a new phone joins only after a phone already in your home approves it. Stay informed Live alerts from official sources for your area (earthquakes, severe weather, floods, outbreaks) and a calm heads-up before each hazard season. Private by design No account. No ads. No tracking. Your data stays on your phone unless you link your household's phones; then the list is encrypted on them with a key only they hold, and our server passes changes along without being able to read them. The optional weekly email sends only a short readiness summary, and you can stop it any time. Community mode (optional) If your community uses PrepTracker, enter its code. Its coordinators then see your household's readiness figures (readiness, days covered, household size, and whether alerts and the weekly email are on), never your name, email, items or documents, and their alerts reach you. Leave community mode at any time. Available in English, German, French, Spanish and Indonesian.
Screenshots
Verdict
The clearest difference is update cadence: PrepTracker at every 2 days against Salat Calculator's fortnightly. Salat Calculator's advantage is ratings volume (5 vs 1) and iOS requirement (11.0 vs 15.5). On price, rating, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Salat Calculator against 5.0 for PrepTracker. That said, the two scores are not equally well evidenced: Salat Calculator has 5 ratings behind it against 1, so its average is the more settled of the two.
Salat Calculator ships an update fortnightly, PrepTracker every 2 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | Salat Calculator | PrepTracker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 20 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Majlis Ansarullah UK | Cubed Holdings LLC |
Customer experience
Salat Calculator
PrepTracker
In-app purchases
Salat Calculator
No in-app purchases
PrepTracker
No in-app purchases
Questions
Is Salat Calculator free?
Is PrepTracker free?
Which has better reviews, Salat Calculator or PrepTracker?
Do Salat Calculator or PrepTracker have ads?
Which is updated more often, Salat Calculator or PrepTracker?
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