Comparison

Astro Locator vs MobileFlare

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

Head to head
About

Astro Locator

This app assists astronomers in quickly and easily achieving polar alignment for their telescopes. It helps locate key stars like Polaris or Sigma Octantis, displaying essential astronomical data for setup and viewing. Ideal for mobile astronomers who frequently set up and pack down their equipment.

Highlights
  • Quick polar alignment
  • Locate Polaris/Sigma Octantis
  • Display elevation, latitude, longitude
  • Show moon phase
  • Sunrise/sunset times
  • Astro twilight times
  • Today Extension widget
Read full description

Spend less time setting up and more time observing. Astro Locator helps you quickly and accurately polar align your equatorial mount by showing the precise position of Polaris or Sigma Octantis. Designed for both visual astronomy and astrophotography, it makes polar alignment fast, simple and reliable wherever you observe. Whether you’re setting up in your garden or under dark skies, Astro Locator provides all the information you need on a single, easy-to-read screen. Features include: • Accurate Polaris and Sigma Octantis positioning • Compass direction and correct elevation for your location • Latitude, longitude and altitude • UTC and local time • Sunrise and sunset times • Astronomical twilight start and end times • Current moon phase • Clean, uncluttered interface designed for fast setup Astro Locator is ideal for astronomers who assemble and pack away their equipment for each observing session, helping you spend less time setting up and more time enjoying the night sky. Trusted by amateur astronomers since 2014.

About

MobileFlare

Features
Read full description

MobileFlare (Mobile Flare) is a free safety alert app for crowded events. If something goes wrong - a medical emergency, a personal threat, dangerous crowd pressure or dehydration - flash your phone screen in the appropriate colour to signal for help. No shouting required. No signal required. No searching for a steward in the dark. Just hold a button. Hold your phone up. Help comes to you. HOW IT WORKS ------------------------ Open MobileFlare (Mobile Flare). Four buttons. Press and hold the one that matches your situation. Your screen flashes at full brightness in the correct colour. Hold it above your head. Anyone who can see it knows exactly what you need. RED :: Personal Safety / Assault YELLOW :: Crowd Pressure GREEN :: Medical Emergency BLUE :: Water Please (calm static screen — non-flashing) Signals flash at different speeds as well as different colours, so they can be identified by rhythm alone. This helps users with red/green colour blindness distinguish between signals clearly. Help friends find you in a crowd. Pick a colour from the new spotlight sub-menu and hold up your screen: a solid, non-flashing colour will help you stand out. Colours are distinctly different from the emergency colours. WHY IT'S DIFFERENT ------------------------ → Works with no mobile signal, no Wi-Fi, no Bluetooth → No registration, no account, no login, no tracking → Zero data collected - we don't know you exist → No adverts, no in-app purchases, free forever → Instant to use - under a second to activate → Maximum screen brightness during activation → Forces portrait orientation - works in any grip → Dark interface designed for venue environments FOR PARENTS ------------------------ Young people attend more live events than ever - often without adults who would know what to do in an emergency. At a sold-out standing concert, ambient noise can exceed 100 decibels. Shouting for help won't carry more than a few people in any direction. MobileFlare (Mobile Flare) gives the instinct to reach for a phone, somewhere useful to go. Show your child, friends and family the four colours before their next event. That thirty-second conversation could matter. ABOUT MOBILEFLARE (MOBILE FLARE) ------------------------ Built by one person, a father of daughters. Based on personal experiences of seeing emergencies unfold at live events, no-one knowing how to correctly attract attention, and witnessing how long it takes to locate someone who needs help in a crowd. MobileFlare is free. It will always be free. Learn more at https://mobileflare.app

Screenshots

Astro Locator2 screens
MobileFlare4 screens

Verdict

The call

The clearest difference is price: MobileFlare at Free against Astro Locator's $3.99. MobileFlare also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (15.0 vs 18.0). On 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

MobileFlare is free to download; Astro Locator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Astro Locator ships an update every 3 months, MobileFlare every 3 weeks. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Astro Locator versus MobileFlare: the parameters behind the verdict, then further details
ParameterAstro LocatorMobileFlare
Price$3.99Free — better
Rating4.8 (68 ratings) — better—
Positive reviews77.3% of reviews—
Number of ratings68 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size6 MB26 MB
Age rating12+4+
DeveloperProgress Concepts LimitedEmmelle Studios

In-app purchases

None

Astro Locator

No in-app purchases

None

MobileFlare

No in-app purchases

Questions

Is Astro Locator free?
Astro Locator costs $3.99, with no in-app purchases.
Is MobileFlare free?
MobileFlare is free to download, with no in-app purchases.
Do Astro Locator or MobileFlare have ads?
Neither Astro Locator nor MobileFlare shows ads.
Which is updated more often, Astro Locator or MobileFlare?
Astro Locator ships an update every 3 months, and MobileFlare every 3 weeks. Most recently, Astro Locator was updated on November 1, 2026 and MobileFlare on October 28, 2026.

Other comparisons