Comparison

iFlashlight Pro vs Least Common Multiple (LCM)

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

Head to head
About

iFlashlight Pro

This simple utility app transforms your iPhone into a bright flashlight. It offers multiple brightness levels and can even send Morse code messages. Illuminate your surroundings, find your keys, or read in the dark with instant light.

Highlights
  • Instant touch light
  • Morse code messaging
  • Three brightness stages
  • Illuminates rooms and nearby space
  • Unlock car or house doors
Read full description

iFlashlight Pro turns your iPhone or iPad into a fast, reliable light, ready the instant you need it. Slide to set exactly the brightness you want, from a gentle glow to full power, using the LED flash. Need to signal for help? Switch to SOS for an automatic, recognizable flashing pattern. Want light right now? Instant Light gets you to full brightness with a single tap. No flash, or want a wider glow? Turn the whole screen into a light with a white or yellow screen light, great for reading in bed, finding something in a bag, or lighting up a room from any angle. Simple by design: no clutter, no confusing settings, just a big, easy-to-tap interface that puts the right light in your hands instantly. Please note: using the flash continuously can reduce battery life faster than normal use.

About

Least Common Multiple (LCM)

Features
Read full description

The IOS Least Common Multiple (LCM) App was created in response to requests by visitors to the popular https://multiples.info website. This app will not only find the LCM of your numbers, but it will also calculate the multiplier you need to multiply each number by to get the LCM. The app is fast, intuitive, and easy to use. It is a standalone app, which means that it will work perfectly fine in places with little or no Internet access. We hope the Least Common Multiple App will become one of your favorite math apps.

Screenshots

iFlashlight Pro4 screens
Least Common Multiple (LCM)4 screens

Verdict

The call

The clearest difference is price: iFlashlight Pro at Free against Least Common Multiple (LCM)'s $0.99. iFlashlight Pro also leads on update cadence (every 4 months vs every 38 months). Least Common Multiple (LCM)'s advantage is iOS requirement (14.1 vs 17.0). 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

iFlashlight Pro is free to download; Least Common Multiple (LCM) costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iFlashlight Pro ships an update every 4 months, Least Common Multiple (LCM) every 38 months. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 7 level
iFlashlight Pro versus Least Common Multiple (LCM): the parameters behind the verdict, then further details
ParameteriFlashlight ProLeast Common Multiple (LCM)
PriceFree — better$0.99
Rating2.0 (1 ratings) — better—
Positive reviews88.2% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 months — betterEvery 38 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.014.1 — better
Further details — not scored
Size1 MB0 MB
Age rating4+4+
DeveloperIoannis PinakoulakisH Valeur

Bugs and requests

iFlashlight Pro

Reported bugs

2 issues
  • Crashes on iOS 5.1.1
  • Incompatible with older devices

Requested features

2 requests
  • Option to keep light on until manually turned off
  • More customization options

Least Common Multiple (LCM)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iFlashlight Pro

No in-app purchases

None

Least Common Multiple (LCM)

No in-app purchases

Questions

Is iFlashlight Pro free?
iFlashlight Pro is free to download, with no in-app purchases.
Is Least Common Multiple (LCM) free?
Least Common Multiple (LCM) costs $0.99, with no in-app purchases.
Do iFlashlight Pro or Least Common Multiple (LCM) have ads?
Neither iFlashlight Pro nor Least Common Multiple (LCM) shows ads.
Which is updated more often, iFlashlight Pro or Least Common Multiple (LCM)?
iFlashlight Pro ships an update every 4 months, and Least Common Multiple (LCM) every 38 months. Most recently, iFlashlight Pro was updated on September 17, 2026 and Least Common Multiple (LCM) on September 13, 2026.

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