# Unolo vs greneOS 3.0

The clearest difference is update cadence: Unolo at every 5 days against greneOS 3.0's monthly. greneOS 3.0's advantage is iOS requirement (13.0 vs 16.1). 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.

Unolo ships an update every 5 days, greneOS 3.0 monthly. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Unolo | greneOS 3.0 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free | — |
| Size | 251 MB | 120 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smartsense Technologies Private Limited](https://appshunter.io/developer/1180561650) | [Grene Robotics (India) Private Limited](https://appshunter.io/developer/597834592) |

## What reviewers say

### Unolo

[App page](https://appshunter.io/ios/app/unolo/id1375541672)

This app helps employees track attendance, initiate client meetings, and manage ad hoc tasks. It also facilitates photo uploads and form submissions for streamlined workflow management.

**Highlights:** Mark attendance, Start client meetings, Start ad hoc tasks, Upload photos, Fill in forms

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

**In-app purchases:** none


### greneOS 3.0

[App page](https://appshunter.io/ios/app/greneos-30/id1500291219)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unolo free?

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

### Is greneOS 3.0 free?

greneOS 3.0 is free to download, with no in-app purchases.

### Do Unolo or greneOS 3.0 have ads?

Neither Unolo nor greneOS 3.0 shows ads.

### Which is updated more often, Unolo or greneOS 3.0?

Unolo ships an update every 5 days, and greneOS 3.0 monthly. Most recently, Unolo was updated on November 2, 2026 and greneOS 3.0 on October 29, 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.*