# GeoID vs Schmidt Rebound Hammer

The clearest difference is price: Schmidt Rebound Hammer at Free against GeoID's $5.99. Schmidt Rebound Hammer also leads on review sentiment (100% vs 65%). GeoID's advantage is iOS requirement (7.1 vs 15.0). On rating, ratings volume, update cadence and ads there is nothing between them.

Schmidt Rebound Hammer is free to download; GeoID costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for GeoID against 5.0 for Schmidt Rebound Hammer. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews are what separate them: 65% of GeoID's written reviews are positive against 100% of Schmidt Rebound Hammer's.

GeoID ships an update every 6 weeks, Schmidt Rebound Hammer every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GeoID | Schmidt Rebound Hammer |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/geoid/id437190196/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/schmidt-rebound-hammer/id1239435876/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 65.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Paid | **Ad-supported** |
| Size | 6 MB | 377 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sang Ho Lee](https://appshunter.io/developer/437190199) | [Screening Eagle Technologies](https://appshunter.io/developer/1515215362) |

## What reviewers say

### GeoID

[App page](https://appshunter.io/ios/app/geoid/id437190196)

A professional tool for measuring and analyzing geological structures. It features a geological compass, stereographic projection, and instability analysis with wireless data sharing capabilities.

**Highlights:** Geological compass, Stereographic projection, Instability analysis, Wireless data sharing, Analysis reports, Manual data input

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

**In-app purchases:** none


### Schmidt Rebound Hammer

[App page](https://appshunter.io/ios/app/schmidt-rebound-hammer/id1239435876)

This app enhances the functionality of Schmidt rebound hammers for concrete and rock testing. It automates calculations, allows custom curves, tracks verification, and generates PDF reports. Collaborate and share data easily through cloud synchronization.

**Highlights:** Automated rebound number calculation, Custom curve support, Verification tracking, Logbook for reporting, PDF report generation, Cloud-based sharing and synchronization

**In-app purchases:** none


## Frequently asked questions

### Is GeoID free?

GeoID costs $5.99, with no in-app purchases.

### Is Schmidt Rebound Hammer free?

Schmidt Rebound Hammer is free to download, with no in-app purchases.

### Which has better reviews, GeoID or Schmidt Rebound Hammer?

GeoID and Schmidt Rebound Hammer are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do GeoID or Schmidt Rebound Hammer have ads?

Neither GeoID nor Schmidt Rebound Hammer shows ads.

### Which is updated more often, GeoID or Schmidt Rebound Hammer?

GeoID ships an update every 6 weeks, and Schmidt Rebound Hammer every 2 months. Most recently, GeoID was updated on October 26, 2026 and Schmidt Rebound Hammer on October 24, 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.*