# Good Survey vs TriCalc

The clearest difference is price: TriCalc at Free against Good Survey's $1.99. Good Survey's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

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

Good Survey ships an update monthly, TriCalc fortnightly. The most recent releases landed on October 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Good Survey | TriCalc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/good-survey/id1093733473/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 38.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Paid | — |
| Size | 23 MB | 23 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shin Jong soon](https://appshunter.io/developer/1093733472) | [Keita Ogasawara](https://appshunter.io/developer/1524965899) |

## What reviewers say

### Good Survey

[App page](https://appshunter.io/ios/app/good-survey/id1093733473)

This measurement application simplifies surveying tasks without needing external devices. It offers extensive language support and provides immediate calculations for ground level, height differences, and coordinate geometry. Data can be saved as Excel files or shared directly.

**Highlights:** Level measurement with immediate ground level display, Automatic height difference calculation, Coordinate geometry calculations, Distance and azimuth calculation, Data export to Excel, Multi-language support (41 languages)

**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 Good Survey free?

Good Survey costs $1.99, with no in-app purchases.

### Is TriCalc free?

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

### Do Good Survey or TriCalc have ads?

TriCalc shows ads; Good Survey does not.

### Which is updated more often, Good Survey or TriCalc?

Good Survey ships an update monthly, and TriCalc fortnightly. Most recently, Good Survey was updated on October 9, 2026 and TriCalc on September 22, 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.*