# Triangle Calc A vs TriCalc

The clearest difference is price: TriCalc at Free against Triangle Calc A's $0.99. TriCalc also leads on update cadence (fortnightly vs every 56 months) and iOS requirement (13.0 vs 26.0). Triangle Calc A'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; Triangle Calc A costs $0.99 up front. TriCalc sells 1 one-off in-app purchase. Triangle Calc A asks for nothing beyond the download.

Triangle Calc A ships an update every 56 months, TriCalc fortnightly. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Triangle Calc A | TriCalc |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 56 months | **Fortnightly** |
| Size | 0 MB | 23 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kohei yamane](https://appshunter.io/developer/1239055575) | [Keita Ogasawara](https://appshunter.io/developer/1524965899) |

## What reviewers say

### Triangle Calc A

[App page](https://appshunter.io/ios/app/triangle-calc-a/id1582200016)

**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 Triangle Calc A free?

Triangle Calc A costs $0.99, with no in-app purchases.

### Is TriCalc free?

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

### Do Triangle Calc A or TriCalc have ads?

TriCalc shows ads; Triangle Calc A does not.

### Which is updated more often, Triangle Calc A or TriCalc?

Triangle Calc A ships an update every 56 months, and TriCalc fortnightly. Most recently, Triangle Calc A was updated on September 10, 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.*