# CBM Calculator for Shipping vs DottChat

The clearest difference is ads: DottChat at none against CBM Calculator for Shipping's shown. DottChat also leads on update cadence (every 9 days vs every 31 months) and device support (3 vs 1). On price 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.

CBM Calculator for Shipping ships an update every 31 months, DottChat every 9 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CBM Calculator for Shipping | DottChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cbm-calculator-for-shipping/id1554766504/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 31 months | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 54 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AppNextDoor Labs](https://appshunter.io/developer/1041729267) | [BSP Technologies](https://appshunter.io/developer/1232001166) |

## What reviewers say

### CBM Calculator for Shipping

[App page](https://appshunter.io/ios/app/cbm-calculator-for-shipping/id1554766504)

Easily calculate the volume of your shipments and estimate shipping costs. This tool helps determine volumetric weight and allows for custom company settings to provide realistic pricing estimates.

**Highlights:** Calculate CBM and shipping costs, Determine actual and volumetric weight, Add custom shipping companies, Compare shipping costs, Save and copy results, Includes CBM guide

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

**In-app purchases:** none


### DottChat

[App page](https://appshunter.io/ios/app/dottchat/id6787123278)

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

**In-app purchases:** none


## Frequently asked questions

### Is CBM Calculator for Shipping free?

CBM Calculator for Shipping is free to download, with no in-app purchases.

### Is DottChat free?

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

### Do CBM Calculator for Shipping or DottChat have ads?

CBM Calculator for Shipping shows ads; DottChat does not.

### Which is updated more often, CBM Calculator for Shipping or DottChat?

CBM Calculator for Shipping ships an update every 31 months, and DottChat every 9 days. Most recently, CBM Calculator for Shipping was updated on November 3, 2026 and DottChat on November 5, 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.*