# LensFactor vs Tricity

The clearest difference is price: LensFactor at $1.99 against Tricity's $89.99. LensFactor also leads on rating (5.0 vs 4.0) and in-app purchases (none vs 4). Tricity's advantage is update cadence (every 4 weeks vs every 24 months). On ratings volume, ads and device support there is nothing between them.

LensFactor costs $1.99 and Tricity $89.99 up front. Tricity sells 4 in-app purchases, starting at $2.49 per 7 days. LensFactor asks for nothing beyond the download.

LensFactor holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 89% of LensFactor's written reviews are positive against 63% of Tricity's.

LensFactor ships an update every 24 months, Tricity every 4 weeks. The most recent releases landed on September 21, 2026 and August 7, 2026 respectively.

## The numbers

| Metric | LensFactor | Tricity |
| --- | --- | --- |
| Price | **$1.99** | $89.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lensfactor/id370376269/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/tricity/id1044577046/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **88.9% of reviews** | 62.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 4 weeks** |
| Monetization | **Paid** | Subscription |
| Size | 1 MB | 8 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Bart van Stiphout](https://appshunter.io/developer/368100168) | [Netwalk](https://appshunter.io/developer/295218941) |

## What reviewers say

### LensFactor

[App page](https://appshunter.io/ios/app/lensfactor/id370376269)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Tricity

[App page](https://appshunter.io/ios/app/tricity/id1044577046)

Create professional electrical schemas and floor plans quickly and easily. Generate situation sketches, wire diagrams, and support for home automation, solar panels, and charging stations. Includes AREI 2023 compliance checks.

**Highlights:** Create floor plans from scratch or existing images, Add electrical components and fuse box layouts, Generate situation sketches and wire diagrams, Support for home automation, solar panels, and charging stations, AREI 2023 compliance checks, Diagrams for official inspections in Belgium and Netherlands

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.49 | per 7 days |
| Monthly subscription | $9.49 | per month |
| Annual subscription | $90.99 | per year |
| Extra Project | $8.99 | one-time |


## Frequently asked questions

### Is LensFactor free?

LensFactor costs $1.99, with no in-app purchases.

### Is Tricity free?

Tricity costs $89.99, and also offers in-app purchases.

### Which has better reviews, LensFactor or Tricity?

LensFactor is rated higher. LensFactor averages 5.0 out of 5 from 2 ratings, while Tricity averages 4.0 from 2 ratings.

### Do LensFactor or Tricity have ads?

Neither LensFactor nor Tricity shows ads.

### Which is updated more often, LensFactor or Tricity?

LensFactor ships an update every 24 months, and Tricity every 4 weeks. Most recently, LensFactor was updated on September 21, 2026 and Tricity on August 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*