# RTI Density Gauge R2 vs 凯力朗智能

The clearest difference is device support: 凯力朗智能 at 3 against RTI Density Gauge R2's 1. 凯力朗智能 also leads on iOS requirement (8.0 vs 12.4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

RTI Density Gauge R2 ships an update every 10 months, 凯力朗智能 every 5 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | RTI Density Gauge R2 | 凯力朗智能 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id1448073060/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 months** |
| Size | 4 MB | 49 MB |
| Requires iOS | 12.4 | **8.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CCIC Pty Ltd](https://appshunter.io/developer/374184563) | [Wenzhou Yunjia Network Technology Co., Ltd.](https://appshunter.io/developer/1448073059) |

## What reviewers say

### RTI Density Gauge R2

[App page](https://appshunter.io/ios/app/rti-density-gauge-r2/id832927419)

**Features:** macOS Compatibility

**In-app purchases:** none


### 凯力朗智能

[App page](https://appshunter.io/ios/app/id1448073060)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RTI Density Gauge R2 free?

RTI Density Gauge R2 is free to download, with no in-app purchases.

### Is 凯力朗智能 free?

凯力朗智能 is free to download, with no in-app purchases.

### Do RTI Density Gauge R2 or 凯力朗智能 have ads?

Neither RTI Density Gauge R2 nor 凯力朗智能 shows ads.

### Which is updated more often, RTI Density Gauge R2 or 凯力朗智能?

RTI Density Gauge R2 ships an update every 10 months, and 凯力朗智能 every 5 months. Most recently, RTI Density Gauge R2 was updated on November 1, 2026 and 凯力朗智能 on November 2, 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.*