# ExiCalculator vs CIM GAS

The clearest difference is update cadence: CIM GAS at every 3 weeks against ExiCalculator's every 10 months. 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.

ExiCalculator ships an update every 10 months, CIM GAS every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ExiCalculator | CIM GAS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Size | 11 MB | 45 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Endress+Hauser Instruments International AG](https://appshunter.io/developer/513969520) | [ICBTECH DOO](https://appshunter.io/developer/1033884244) |

## What reviewers say

### ExiCalculator

[App page](https://appshunter.io/ios/app/exicalculator/id1225917778)

**Features:** macOS Compatibility

**In-app purchases:** none


### CIM GAS

[App page](https://appshunter.io/ios/app/cim-gas/id6749841213)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ExiCalculator free?

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

### Is CIM GAS free?

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

### Do ExiCalculator or CIM GAS have ads?

Neither ExiCalculator nor CIM GAS shows ads.

### Which is updated more often, ExiCalculator or CIM GAS?

ExiCalculator ships an update every 10 months, and CIM GAS every 3 weeks. Most recently, ExiCalculator was updated on November 2, 2026 and CIM GAS on October 30, 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.*