Comparison

Lensit vs MK Button

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

Head to head

Lens Calculator

About

Lensit

Features

Read full description

Get the exact lens and throw distance for your next projection setup — instantly. Lensit does the projection math for you: • Enter your screen size and distance to find the right lens • Or enter your lens spec to find the ideal distance • Switch between 4:3 and 16:9 aspect ratio • Works in metric or imperial — or use it to convert between them Built for AV techs, event producers, and anyone setting up a projector who doesn't want to do the math by hand.

About

MK Button

Features

Read full description

This app was designed for MOKO BUTTON product and users can realize below functions through this app: 1. Basic advertisement parameters configuration. 2. Alarm functions configuration and remote control with buzzer/motor/LED. 3. Basic information review.

Screenshots

Lensit1 screens

MK Button4 screens

Verdict

The call

The clearest difference is update cadence: Lensit at every 3 weeks against MK Button's every 11 months. MK Button's advantage is iOS requirement (12.0 vs 16.4). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Lensit ships an update every 3 weeks, MK Button every 11 months. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 4 level

Lensit versus MK Button: the parameters behind the verdict, then further details
Parameter	Lensit	MK Button
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 11 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPod
Requires iOS	16.4	12.0 — better
Further details — not scored
Size	49 MB	18 MB
Age rating	4+	4+
Developer	lior cohen	Moko Technology Ltd

In-app purchases

None

Lensit

No in-app purchases

None

MK Button

No in-app purchases

Questions

Is Lensit free?

Lensit is free to download, with no in-app purchases.

Is MK Button free?

MK Button is free to download, with no in-app purchases.

Do Lensit or MK Button have ads?

Neither Lensit nor MK Button shows ads.

Which is updated more often, Lensit or MK Button?

Lensit ships an update every 3 weeks, and MK Button every 11 months. Most recently, Lensit was updated on September 14, 2026 and MK Button on September 18, 2026.