# Acceleration Unit Converter vs TriCalc

The clearest difference is price: TriCalc at Free against Acceleration Unit Converter's $1.99. TriCalc also leads on update cadence (daily vs every 38 months) and iOS requirement (13.0 vs 15.6). Acceleration Unit Converter's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

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

Acceleration Unit Converter ships an update every 38 months, TriCalc daily. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Acceleration Unit Converter | TriCalc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Daily** |
| Size | 0 MB | 26 MB |
| Requires iOS | 15.6 | **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

### Acceleration Unit Converter

[App page](https://appshunter.io/ios/app/acceleration-unit-converter/id1451650029)

**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 Acceleration Unit Converter free?

Acceleration Unit Converter costs $1.99, with no in-app purchases.

### Is TriCalc free?

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

### Do Acceleration Unit Converter or TriCalc have ads?

TriCalc shows ads; Acceleration Unit Converter does not.

### Which is updated more often, Acceleration Unit Converter or TriCalc?

Acceleration Unit Converter ships an update every 38 months, and TriCalc daily. Most recently, Acceleration Unit Converter was updated on September 9, 2026 and TriCalc on September 8, 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.*