# Structural Engineering Calc. vs Coban Tracker Pro

The clearest difference is price: Coban Tracker Pro at Free against Structural Engineering Calc.'s $5.99. Coban Tracker Pro also leads on iOS requirement (15.6 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Coban Tracker Pro is free to download; Structural Engineering Calc. costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Structural Engineering Calc. ships an update every 10 months, Coban Tracker Pro every 17 months. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Structural Engineering Calc. | Coban Tracker Pro |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.5 (20 ratings)](https://appshunter.io/ios/app/structural-engineering-calc/id590507987/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 17 months |
| Monetization | Paid | — |
| Size | 6 MB | 158 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Arslan Ayub](https://appshunter.io/developer/1712255026) |

## What reviewers say

### Structural Engineering Calc.

[App page](https://appshunter.io/ios/app/structural-engineering-calc/id590507987)

This app provides 59 essential structural engineering formulas for columns, beams, base plates, composite beams, and connections. It offers instant demand/capacity checks, a built-in AISC section database, and material references, supporting both USCS and SI units for on-site or office use.

**Highlights:** 59 structural formulas, Instant demand/capacity checks, Built-in AISC section database, Material and code references, USCS & SI unit support, Pass/Fail visual indicators

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

**In-app purchases:** none


### Coban Tracker Pro

[App page](https://appshunter.io/ios/app/coban-tracker-pro/id6670787605)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Structural Engineering Calc. free?

Structural Engineering Calc. costs $5.99, with no in-app purchases.

### Is Coban Tracker Pro free?

Coban Tracker Pro is free to download, with no in-app purchases.

### Do Structural Engineering Calc. or Coban Tracker Pro have ads?

Neither Structural Engineering Calc. nor Coban Tracker Pro shows ads.

### Which is updated more often, Structural Engineering Calc. or Coban Tracker Pro?

Structural Engineering Calc. ships an update every 10 months, and Coban Tracker Pro every 17 months. Most recently, Structural Engineering Calc. was updated on September 28, 2026 and Coban Tracker Pro on September 17, 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.*