# Unergy vs VIIO

The clearest difference is review sentiment: Unergy at 100% against VIIO's 0%. Unergy also leads on rating (5.0 vs 1.0) and update cadence (fortnightly vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Unergy holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of Unergy's written reviews are positive against 0% of VIIO's.

Unergy ships an update fortnightly, VIIO monthly. The most recent releases landed on October 19, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Unergy | VIIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unergy/id1616555722/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/viio/id6452803312/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | Free |
| Size | 116 MB | 145 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Unergy SAS](https://appshunter.io/developer/1616555724) | [VIIO](https://appshunter.io/developer/1699053057) |

## What reviewers say

### Unergy

[App page](https://appshunter.io/ios/app/unergy/id1616555722)

Invest in solar energy projects and contribute to the energy transition while earning returns. Track project performance and your net profits in real-time, with options to withdraw or reinvest earnings. Blockchain technology ensures secure and immutable transactions.

**Highlights:** Invest in solar projects, Track real-time performance, View net profits and environmental contributions, Withdraw or reinvest earnings, Blockchain-secured transactions

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

**In-app purchases:** none


### VIIO

[App page](https://appshunter.io/ios/app/viio/id6452803312)

Manage your global finances securely and quickly with a digital account that lets you save, transfer, and spend dollars. Send money internationally at no cost, use a Visa card worldwide, and withdraw directly to your bank account in multiple currencies. Open US and European bank accounts for local USD and EUR deposits.

**Highlights:** Global dollar account, Zero-cost USDT/USDC transfers, Free international money transfers, Worldwide Visa card spending, Free direct bank withdrawals, US and European bank accounts, Card control and security

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

**In-app purchases:** none


## Frequently asked questions

### Is Unergy free?

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

### Is VIIO free?

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

### Which has better reviews, Unergy or VIIO?

Unergy is rated higher. Unergy averages 5.0 out of 5 from 1 ratings, while VIIO averages 1.0 from 1 ratings.

### Do Unergy or VIIO have ads?

Neither Unergy nor VIIO shows ads.

### Which is updated more often, Unergy or VIIO?

Unergy ships an update fortnightly, and VIIO monthly. Most recently, Unergy was updated on October 19, 2026 and VIIO on October 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.*