Comparison

Lightkey1.0 vs Projections Tools

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

Head to head
About

Lightkey1.0

Features
Read full description

LightBee locks use Visible Light Communication (optical communications in the visible spectrum) for their opening. With the LightKey application you can make use of LightBee locks and improve access security.

About

Projections Tools

Features
Read full description

Projections Tools will save your time in calculating everything you need about your projection. Choose the scene you want from the main menu, enter the required values ​​and immediately share the result! From the simplest optics calculation to the complete calculation of a softedge projectors grid, the available scenes are: β€’ Calculation of the projector optics β€’ Calculation of the projection distance β€’ Calculation of the projection screen size β€’ Calculation of additional parameters related to your screen such as brightness for square meter, area or size in inches β€’ Calculation of all values ​​related to the horizontal or vertical softedge of several projectors β€’ Calculation of all the softedge values ​​of a projectors grid, in different ways based on the data already in your possession. The results returned by the app can be shared via email, message, WhatsApp, or other communication apps that you have installed on your device. Moreover, the great versatility and total absence of advertising make it an app for all professionals people in the video sector! The app is also available for Mac.

Screenshots

Lightkey1.04 screens
Projections Tools4 screens

Verdict

The call

The clearest difference is price: Lightkey1.0 at Free against Projections Tools's $2.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Lightkey1.0 is free to download; Projections Tools costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Lightkey1.0 ships an update monthly, Projections Tools every 2 months. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

Scorecard1 real difference Β· 5 level
Lightkey1.0 versus Projections Tools: the parameters behind the verdict, then further details
ParameterLightkey1.0Projections Tools
PriceFree β€” better$2.99
Update frequencyMonthly β€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS14.0 β€” better15.6
Further details β€” not scored
Size2 MB3 MB
Age rating4+4+
DeveloperLightbee Sociedad LimitadaStefano Papagni

In-app purchases

None

Lightkey1.0

No in-app purchases

None

Projections Tools

No in-app purchases

Questions

Is Lightkey1.0 free?
Lightkey1.0 is free to download, with no in-app purchases.
Is Projections Tools free?
Projections Tools costs $2.99, with no in-app purchases.
Do Lightkey1.0 or Projections Tools have ads?
Neither Lightkey1.0 nor Projections Tools shows ads.
Which is updated more often, Lightkey1.0 or Projections Tools?
Lightkey1.0 ships an update monthly, and Projections Tools every 2 months. Most recently, Lightkey1.0 was updated on October 11, 2026 and Projections Tools on September 29, 2026.

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