# 測量野帳（器高式） vs TriCalc

The clearest difference is price: TriCalc at Free against 測量野帳（器高式）'s $1.99. TriCalc also leads on update cadence (fortnightly vs every 5 months) and iOS requirement (13.0 vs 26.0). 測量野帳（器高式）'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; 測量野帳（器高式） costs $1.99 up front. TriCalc sells 1 one-off in-app purchase. 測量野帳（器高式） asks for nothing beyond the download.

測量野帳（器高式） ships an update every 5 months, TriCalc fortnightly. The most recent releases landed on September 5, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 測量野帳（器高式） | TriCalc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Size | 1 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

### 測量野帳（器高式）

[App page](https://appshunter.io/ios/app/id6761247687)

**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 測量野帳（器高式） free?

測量野帳（器高式） costs $1.99, with no in-app purchases.

### Is TriCalc free?

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

### Do 測量野帳（器高式） or TriCalc have ads?

TriCalc shows ads; 測量野帳（器高式） does not.

### Which is updated more often, 測量野帳（器高式） or TriCalc?

測量野帳（器高式） ships an update every 5 months, and TriCalc fortnightly. Most recently, 測量野帳（器高式） was updated on September 5, 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.*