# ToBeGreen vs Optiria

The clearest difference is update cadence: ToBeGreen at every 2 weeks against Optiria's every 4 months. ToBeGreen also leads on iOS requirement (12.0 vs 15.6). 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.

ToBeGreen ships an update every 2 weeks, Optiria every 4 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ToBeGreen | Optiria |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 61 MB | 22 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GREENADN, LDA](https://appshunter.io/developer/1523849686) | [Optiria optica medica unipessoal Lda](https://appshunter.io/developer/1649164241) |

## What reviewers say

### ToBeGreen

[App page](https://appshunter.io/ios/app/tobegreen/id1496617474)

**Features:** macOS Compatibility

**In-app purchases:** none


### Optiria

[App page](https://appshunter.io/ios/app/optiria/id6443775859)

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

**In-app purchases:** none


## Frequently asked questions

### Is ToBeGreen free?

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

### Is Optiria free?

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

### Do ToBeGreen or Optiria have ads?

Neither ToBeGreen nor Optiria shows ads.

### Which is updated more often, ToBeGreen or Optiria?

ToBeGreen ships an update every 2 weeks, and Optiria every 4 months. Most recently, ToBeGreen was updated on October 14, 2026 and Optiria on October 3, 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.*