# Tavio vs Voltios

The clearest difference is price: Tavio at Free against Voltios's $0.99. Tavio also leads on iOS requirement (13.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Tavio is free to download; Voltios costs $0.99 up front. Tavio sells 3 in-app purchases, starting at $4.99 per month and Voltios sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Tavio ships an update every 8 days, Voltios every 2 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Tavio | Voltios |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/voltios-circuit-puzzles/id6779986359/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Monetization | — | Paid |
| Size | 69 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rashad Shirizada](https://appshunter.io/developer/1448917602) | [Ignacio Noguerol Sicilia](https://appshunter.io/developer/6779954213) |

## What reviewers say

### Tavio

[App page](https://appshunter.io/ios/app/tavio-practice-knowledge/id6754820663)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly Subsciption | $39.99 | per year |
| 50 Hearts Pack | $0.99 | one-time |


### Voltios

[App page](https://appshunter.io/ios/app/voltios-circuit-puzzles/id6779986359)

A puzzle game that teaches the fundamentals of electricity through interactive circuit building. Explore various electrical concepts like switches, short circuits, and Ohm's law in a visually engaging and playful manner. Designed for families with no ads or tracking, offering a complete learning experience with a single purchase.

**Highlights:** Interactive circuit building, Learn electrical concepts visually, Explore switches, fuses, and Ohm's law, 68 levels across 9 worlds, Offline play, No ads or tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $4.99 | one-time |


## Frequently asked questions

### Is Tavio free?

Tavio is free to download, with in-app purchases available.

### Is Voltios free?

Voltios costs $0.99, and also offers in-app purchases.

### Do Tavio or Voltios have ads?

Neither Tavio nor Voltios shows ads.

### Which is updated more often, Tavio or Voltios?

Tavio ships an update every 8 days, and Voltios every 2 weeks. Most recently, Tavio was updated on October 28, 2026 and Voltios on October 28, 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.*