# IEEE Volta vs Zig Zag Sequence Fantogame

The clearest difference is ads: IEEE Volta at none against Zig Zag Sequence Fantogame's shown. IEEE Volta also leads on update cadence (fortnightly vs every 13 months) and iOS requirement (8.0 vs 15.0). On price, 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.

IEEE Volta ships an update fortnightly, Zig Zag Sequence Fantogame every 13 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | IEEE Volta | Zig Zag Sequence Fantogame |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/ieee-volta/id1238380176/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 13 months |
| Monetization | Free | — |
| Size | 154 MB | 123 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Institute of Electrical & Electronic Engineers Inc](https://appshunter.io/developer/410304757) | [Gabriele Fantoni](https://appshunter.io/developer/668980601) |

## What reviewers say

### IEEE Volta

[App page](https://appshunter.io/ios/app/ieee-volta/id1238380176)

Explore the history and importance of integrated circuits through engaging puzzles. Learn about the ICs that shaped our world and get a glimpse into the future of electronics. Named after a pioneer in electricity, this app educates the public about a fundamental technology.

**Highlights:** Integrated circuit history, Educational puzzles, Future IC insights, Pioneer-themed puzzles, Public education on electronics

**Features:** macOS Compatibility

**In-app purchases:** none


### Zig Zag Sequence Fantogame

[App page](https://appshunter.io/ios/app/zig-zag-sequence-fantogame/id1417450747)

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

**In-app purchases:** none


## Frequently asked questions

### Is IEEE Volta free?

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

### Is Zig Zag Sequence Fantogame free?

Zig Zag Sequence Fantogame is free to download, with no in-app purchases.

### Do IEEE Volta or Zig Zag Sequence Fantogame have ads?

Zig Zag Sequence Fantogame shows ads; IEEE Volta does not.

### Which is updated more often, IEEE Volta or Zig Zag Sequence Fantogame?

IEEE Volta ships an update fortnightly, and Zig Zag Sequence Fantogame every 13 months. Most recently, IEEE Volta was updated on November 2, 2026 and Zig Zag Sequence Fantogame on November 2, 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.*