# Transitions Layouts vs SM Offset

The clearest difference is in-app purchases: SM Offset at none against Transitions Layouts's 1. SM Offset also leads on update cadence (fortnightly vs every 9 months). Transitions Layouts's advantage is ads (none vs shown). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Transitions Layouts sells 1 one-off in-app purchase. SM Offset asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Transitions Layouts against 5.0 for SM Offset. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Transitions Layouts ships an update every 9 months, SM Offset fortnightly. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Transitions Layouts | SM Offset |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/transitions-layouts/id6757512792/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sm-offset/id6781870096/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 47 MB | 6 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) | [Bradley Evans](https://appshunter.io/developer/6781870098) |

## What reviewers say

### Transitions Layouts

[App page](https://appshunter.io/ios/app/transitions-layouts/id6757512792)

This utility app generates precise layouts for various transition shapes used in fabrication and HVAC. It simplifies complex calculations for square-to-round, rectangular-to-round, and pyramid designs, reducing manual drafting and improving accuracy.

**Highlights:** Square to Round/Rectangular Layout, Round to Square/Rectangular Layout, Pyramid and Truncated Pyramid Layout, Multiple Joint Configurations, Flexible Line Divisions, Accurate Input Parameters

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $9.99 | one-time |


### SM Offset

[App page](https://appshunter.io/ios/app/sm-offset/id6781870096)

This utility app provides precise offset calculations for sheet metal workers, HVAC fabricators, and pipefitters. It offers real tape-measure fractions for cut lengths, arc lengths, and elbow centerlines, working entirely offline for jobsite reliability.

**Highlights:** Two-elbow offset calculations, Rolling offset calculations, Duct fitting offsets, Custom angle support, Results in real fractions, 100% offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Transitions Layouts free?

Transitions Layouts is free to download, with in-app purchases available.

### Is SM Offset free?

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

### Which has better reviews, Transitions Layouts or SM Offset?

Transitions Layouts and SM Offset are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Transitions Layouts or SM Offset have ads?

SM Offset shows ads; Transitions Layouts does not.

### Which is updated more often, Transitions Layouts or SM Offset?

Transitions Layouts ships an update every 9 months, and SM Offset fortnightly. Most recently, Transitions Layouts was updated on October 17, 2026 and SM Offset on October 5, 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.*