# DR Chemical vs G3+MAP

The clearest difference is update cadence: DR Chemical at every 2 weeks against G3+MAP's every 5 months. G3+MAP's advantage is iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DR Chemical ships an update every 2 weeks, G3+MAP every 5 months. The most recent releases landed on June 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | DR Chemical | G3+MAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/dr-chemical/id1607536148/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 36 MB | 16 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GROUP M7, INC.](https://appshunter.io/developer/1607536150) | [TAKACHIHO SANGYO CO.,LTD.](https://appshunter.io/developer/1652169022) |

## What reviewers say

### DR Chemical

[App page](https://appshunter.io/ios/app/dr-chemical/id1607536148)

This reference guide provides essential information, formulas, and calculators for HDD, mining, and water well drilling professionals. It simplifies job tasks, enhancing efficiency and safety by offering easy access to product details and calculations.

**Highlights:** DrillRite Chem product information, Reference materials, Calculators for drilling crews, HDD, mining, and water well drilling focus, Job efficiency and safety enhancement

**In-app purchases:** none


### G3+MAP

[App page](https://appshunter.io/ios/app/g3-plus-map/id6444080682)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DR Chemical free?

DR Chemical is free to download, with no in-app purchases.

### Is G3+MAP free?

G3+MAP is free to download, with no in-app purchases.

### Do DR Chemical or G3+MAP have ads?

Neither DR Chemical nor G3+MAP shows ads.

### Which is updated more often, DR Chemical or G3+MAP?

DR Chemical ships an update every 2 weeks, and G3+MAP every 5 months. Most recently, DR Chemical was updated on June 5, 2026 and G3+MAP on September 19, 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.*