# AnchorTest vs Lithos

The clearest difference is iOS requirement: AnchorTest at 14.0 against Lithos's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AnchorTest sells 1 in-app purchase, starting at $999.99 per 7 days and Lithos sells 1 in-app purchase, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.

AnchorTest ships an update every 3 months, Lithos every 6 weeks. The most recent releases landed on September 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | AnchorTest | Lithos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/anchortest/id884227014/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Subscription | — |
| Size | 100 MB | 72 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [hetGE LLC](https://appshunter.io/developer/380672452) | [One North Software Pte. Ltd.](https://appshunter.io/developer/6773476226) |

## What reviewers say

### AnchorTest

[App page](https://appshunter.io/ios/app/anchortest/id884227014)

This iPad app streamlines on-site geotechnical testing for ground anchor post-tensioning. It simplifies data collection, visualization, and analysis using cloud computing and AI, ensuring compliance with international standards. The app facilitates efficient reporting and communication of test results.

**Highlights:** On-site test result recording, Data visualization and analysis, Cloud computing integration, AI-powered insights, Compliance with international standards, Simplified reporting and communication

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AnchorTest Weekly | $999.99 | per 7 days |


### Lithos

[App page](https://appshunter.io/ios/app/lithos/id6773476224)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $49.99 | per month |


## Frequently asked questions

### Is AnchorTest free?

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

### Is Lithos free?

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

### Do AnchorTest or Lithos have ads?

Neither AnchorTest nor Lithos shows ads.

### Which is updated more often, AnchorTest or Lithos?

AnchorTest ships an update every 3 months, and Lithos every 6 weeks. Most recently, AnchorTest was updated on September 25, 2026 and Lithos on October 12, 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.*