# BendMarks vs Sixteenths

The clearest difference is price: Sixteenths at Free against BendMarks's $14.99. Sixteenths also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (16.4 vs 18.0). BendMarks's advantage is rating (5.0 vs 3.7) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

Sixteenths is free to download; BendMarks costs $14.99 up front. Sixteenths sells 1 one-off in-app purchase. BendMarks asks for nothing beyond the download.

BendMarks holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

BendMarks ships an update every 3 weeks, Sixteenths every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BendMarks | Sixteenths |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bendmarks-conduit-bending/id6762065884/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/sixteenths-construction-calc/id6790149216/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 46 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BigBalli Consulting llc](https://appshunter.io/developer/363765325) | [Dreamer Apps](https://appshunter.io/developer/1867038350) |

## What reviewers say

### BendMarks

[App page](https://appshunter.io/ios/app/bendmarks-conduit-bending/id6762065884)

This app calculates conduit bending, voltage drop, and fill capacities for electrical work. It provides detailed formulas and diagrams for each calculation, helping users understand the underlying math. Designed for field use with offline functionality and glove-friendly controls.

**Highlights:** Conduit bending calculations with diagrams, Voltage drop analysis, Conduit fill calculations, Box fill calculations, Step-by-step formula explanations, Offline functionality, Support for multiple NEC code cycles

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

**In-app purchases:** none


### Sixteenths

[App page](https://appshunter.io/ios/app/sixteenths-construction-calc/id6790149216)

This app simplifies complex construction calculations by handling feet, inches, and fractions accurately. It offers specialized solvers for common jobsite tasks like stairs, roof pitch, and concrete, with results saved automatically for easy recall. It's designed for offline use and provides a one-time purchase for full access.

**Highlights:** Exact fraction math for feet and inches, Ten jobsite solvers (stairs, roof pitch, etc.), Automatic result saving and naming, Offline functionality, One-time purchase, no subscription, Conversions to yards, meters, mm, board feet

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sixteenths Pro | $39.99 | one-time |


## Frequently asked questions

### Is BendMarks free?

BendMarks costs $14.99, with no in-app purchases.

### Is Sixteenths free?

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

### Which has better reviews, BendMarks or Sixteenths?

BendMarks is rated higher. BendMarks averages 5.0 out of 5 from 2 ratings, while Sixteenths averages 3.7 from 3 ratings.

### Do BendMarks or Sixteenths have ads?

Neither BendMarks nor Sixteenths shows ads.

### Which is updated more often, BendMarks or Sixteenths?

BendMarks ships an update every 3 weeks, and Sixteenths every 4 days. Most recently, BendMarks was updated on November 5, 2026 and Sixteenths on October 31, 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.*