# ExiCalculator vs OPTIBRIDGE 3880 Setup

ExiCalculator and OPTIBRIDGE 3880 Setup are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, OPTIBRIDGE 3880 Setup every 6 months. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ExiCalculator | OPTIBRIDGE 3880 Setup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Size | 11 MB | 43 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Endress and Hauser Instruments International AG](https://appshunter.io/developer/513969520) | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) |

## What reviewers say

### ExiCalculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### OPTIBRIDGE 3880 Setup

[App page](https://appshunter.io/ios/app/optibridge-3880-setup/id1518234465)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ExiCalculator free?

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

### Is OPTIBRIDGE 3880 Setup free?

OPTIBRIDGE 3880 Setup is free to download, with no in-app purchases.

### Do ExiCalculator or OPTIBRIDGE 3880 Setup have ads?

Neither ExiCalculator nor OPTIBRIDGE 3880 Setup shows ads.

### Which is updated more often, ExiCalculator or OPTIBRIDGE 3880 Setup?

ExiCalculator ships an update every 10 months, and OPTIBRIDGE 3880 Setup every 6 months. Most recently, ExiCalculator was updated on September 8, 2026 and OPTIBRIDGE 3880 Setup on September 20, 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.*