LensFactor vs Queue
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LensFactor
This app helps calculate lens factors, screen sizes, and projector distances based on known variables. It's a utility for professionals or enthusiasts needing precise measurements for display setups.
- Calculate lens factor
- Calculate screen size
- Calculate projector distance
- Input screen size and projector distance
- Input lens factor and projector distance
- Input lens factor and screen size
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LensFactor is an application for the iPhone OS which has 3 basic functions: - Calculate the lens factor when the screen size and projector distance is known - Calculate the screen size when the lens factor(s) and projector distance is known - Calculate the projector distance when the lens factor(s) and screen size is known
Queue
Manage and grow your agency's productized services with this comprehensive platform. Communicate directly with clients and receive important updates through the official mobile application.
- Launch productized services
- Grow agency business
- Client chat
- Notification system
- All-in-one platform
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An all-in-one platform for agencies to launch and grow their productized services. Chat with your clients and view important notifications from the official Queue mobile app.
Screenshots
Verdict
The clearest difference is price: Queue at Free against LensFactor's $1.99. Queue also leads on update cadence (monthly vs every 24 months) and review sentiment (100% vs 89%). LensFactor's advantage is iOS requirement (11.0 vs 13.4). On rating, ratings volume, 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
Queue is free to download; LensFactor costs $1.99 up front. 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 LensFactor against 5.0 for Queue. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews are what separate them: 89% of LensFactor's written reviews are positive against 100% of Queue's.
LensFactor ships an update every 24 months, Queue monthly. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.
| Parameter | LensFactor | Queue |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (2 ratings) | 5.0 (3 ratings) |
| Positive reviews | 88.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 24 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 1 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Bart van Stiphout | Masud Hossain |
Customer experience
LensFactor
Queue
In-app purchases
LensFactor
No in-app purchases
Queue
No in-app purchases
