# OptiUnit vs ecoFlex

OptiUnit and ecoFlex 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.

OptiUnit ships an update every 3 months, ecoFlex every 2 months. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | OptiUnit | ecoFlex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 61 MB | 45 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OptiUnit ApS](https://appshunter.io/developer/1529437877) | [Ecomobility ApS](https://appshunter.io/developer/574795268) |

## What reviewers say

### OptiUnit

[App page](https://appshunter.io/ios/app/optiunit/id1529437875)

**Features:** macOS Compatibility

**In-app purchases:** none


### ecoFlex

[App page](https://appshunter.io/ios/app/ecoflex/id6456038743)

**In-app purchases:** none


## Frequently asked questions

### Is OptiUnit free?

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

### Is ecoFlex free?

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

### Do OptiUnit or ecoFlex have ads?

Neither OptiUnit nor ecoFlex shows ads.

### Which is updated more often, OptiUnit or ecoFlex?

OptiUnit ships an update every 3 months, and ecoFlex every 2 months. Most recently, OptiUnit was updated on September 8, 2026 and ecoFlex on September 17, 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.*