# Tri vs El Tubero 2.0

The clearest difference is review sentiment: Tri at 100% against El Tubero 2.0's 32%. Tri also leads on price (Free vs $3.99) and rating (5.0 vs 1.0). El Tubero 2.0's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 12 months). On ratings volume, in-app purchases, device support and iOS requirement there is nothing between them.

Tri is free to download; El Tubero 2.0 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tri holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of Tri's written reviews are positive against 32% of El Tubero 2.0's.

Tri ships an update every 12 months, El Tubero 2.0 every 6 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tri | El Tubero 2.0 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tri-func/id496807268/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/el-tubero-20/id1520427393/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 32.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Monetization | **Ad-supported** | Paid |
| Size | 4 MB | 83 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thirdware.jp](https://appshunter.io/developer/464228680) | [Alfredo Pombo](https://appshunter.io/developer/1520427395) |

## What reviewers say

### Tri

[App page](https://appshunter.io/ios/app/tri-func/id496807268)

This utility app provides the formula and value for calculating triangle properties. It's designed for quick access to mathematical formulas related to triangles.

**Highlights:** Triangle formula display, Value calculation, Quick access utility, Mathematical formulas

**Features:** Vision Pro support

**In-app purchases:** none


### El Tubero 2.0

[App page](https://appshunter.io/ios/app/el-tubero-20/id1520427393)

This app helps calculate pipe branch development, fitting runs, bends, and elbow cuts. It also determines bolt sizes, flange dimensions, and includes a unit converter with tightening torques.

**Highlights:** Calculate pipe branch development, Track fitting runs, Calculate bends and elbow cuts, Determine bolt and flange dimensions, Unit converter with tightening torques, Support for 14+ standards including metric stainless steel

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tri free?

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

### Is El Tubero 2.0 free?

El Tubero 2.0 costs $3.99, with no in-app purchases.

### Which has better reviews, Tri or El Tubero 2.0?

Tri is rated higher. Tri averages 5.0 out of 5 from 1 ratings, while El Tubero 2.0 averages 1.0 from 1 ratings.

### Do Tri or El Tubero 2.0 have ads?

Tri shows ads; El Tubero 2.0 does not.

### Which is updated more often, Tri or El Tubero 2.0?

Tri ships an update every 12 months, and El Tubero 2.0 every 6 weeks. Most recently, Tri was updated on October 20, 2026 and El Tubero 2.0 on October 24, 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.*