# Drafting Utility vs TriCalc

The clearest difference is in-app purchases: Drafting Utility at none against TriCalc's 1. Drafting Utility also leads on update cadence (daily vs fortnightly). TriCalc's advantage is iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. TriCalc sells 1 one-off in-app purchase. Drafting Utility asks for nothing beyond the download.

Drafting Utility ships an update daily, TriCalc fortnightly. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Drafting Utility | TriCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Fortnightly |
| Size | 3 MB | 23 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) | [Keita Ogasawara](https://appshunter.io/developer/1524965899) |

## What reviewers say

### Drafting Utility

[App page](https://appshunter.io/ios/app/drafting-utility-trianglecalc/id6738353118)

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

**In-app purchases:** none


### TriCalc

[App page](https://appshunter.io/ios/app/tricalc-triangle-solver/id6762830339)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is Drafting Utility free?

Drafting Utility is free to download, with no in-app purchases.

### Is TriCalc free?

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

### Do Drafting Utility or TriCalc have ads?

Both Drafting Utility and TriCalc show ads.

### Which is updated more often, Drafting Utility or TriCalc?

Drafting Utility ships an update daily, and TriCalc fortnightly. Most recently, Drafting Utility was updated on September 22, 2026 and TriCalc on September 11, 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.*