# Weight Units Converter vs TriCalc

The clearest difference is price: TriCalc at Free against Weight Units Converter's $1.99. TriCalc also leads on update cadence (daily vs every 18 months). Weight Units Converter's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

TriCalc is free to download; Weight Units Converter costs $1.99 up front. TriCalc sells 1 one-off in-app purchase. Weight Units Converter asks for nothing beyond the download.

Weight Units Converter ships an update every 18 months, TriCalc daily. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Weight Units Converter | TriCalc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/weight-units-converter/id1445349235/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Daily** |
| Monetization | Paid | — |
| Size | 8 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [KAKARO LLC](https://appshunter.io/developer/1869891225) |

## What reviewers say

### Weight Units Converter

[App page](https://appshunter.io/ios/app/weight-units-converter/id1445349235)

Easily convert weight measurements between 16 different units, including common international standards and unique Japanese units like Momme and Kan. Simply input your value and select the desired units for instant conversion.

**Highlights:** Converts weight into 16 units, Supports international units (kg, lb, oz), Includes Japanese units (Momme, Kan), Simple input and unit selection, Displays converted values instantly

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

**In-app purchases:** none


### TriCalc

[App page](https://appshunter.io/ios/app/tricalc/id6757951248)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $1.99 | one-time |


## Frequently asked questions

### Is Weight Units Converter free?

Weight Units Converter costs $1.99, with no in-app purchases.

### Is TriCalc free?

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

### Do Weight Units Converter or TriCalc have ads?

TriCalc shows ads; Weight Units Converter does not.

### Which is updated more often, Weight Units Converter or TriCalc?

Weight Units Converter ships an update every 18 months, and TriCalc daily. Most recently, Weight Units Converter was updated on November 2, 2026 and TriCalc on November 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.*