# Good Survey vs SimTanka

The clearest difference is price: SimTanka at Free against Good Survey's $1.99. Good Survey's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On update cadence and ads there is nothing between them.

SimTanka is free to download; Good Survey costs $1.99 up front. SimTanka sells 3 one-off in-app purchases. Good Survey asks for nothing beyond the download.

Good Survey ships an update monthly, SimTanka every 2 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Good Survey | SimTanka |
| --- | --- | --- |
| 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 | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 23 MB | 3 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shin Jong soon](https://appshunter.io/developer/1093733472) | [Vikram Vyas](https://appshunter.io/developer/1677119919) |

## 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


### SimTanka

[App page](https://appshunter.io/ios/app/simtanka/id6446281690)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support SimTanka | $0.99 | one-time |
| Voluntary Contribution | $9.99 | one-time |
| Voluntary Contribution | $99.99 | one-time |


## Frequently asked questions

### Is Good Survey free?

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

### Is SimTanka free?

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

### Do Good Survey or SimTanka have ads?

Neither Good Survey nor SimTanka shows ads.

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

Good Survey ships an update monthly, and SimTanka every 2 weeks. Most recently, Good Survey was updated on October 29, 2026 and SimTanka on October 30, 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.*