# Helix Mastermind vs GEF

Helix Mastermind and GEF are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Helix Mastermind | GEF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 137 MB | 42 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [T2 STUDIOS APP DEVELOPMENT S.R.L.](https://appshunter.io/developer/1523199335) | [AleDo TECH d.o.o.](https://appshunter.io/developer/1845301616) |

## What reviewers say

### Helix Mastermind

[App page](https://appshunter.io/ios/app/helix-mastermind/id6502561438)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### GEF

[App page](https://appshunter.io/ios/app/gef/id6753863427)

**In-app purchases:** none


## Frequently asked questions

### Is Helix Mastermind free?

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

### Is GEF free?

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

### Do Helix Mastermind or GEF have ads?

Neither Helix Mastermind nor GEF shows ads.

### Which is updated more often, Helix Mastermind or GEF?

Helix Mastermind ships an update weekly, and GEF weekly. Most recently, Helix Mastermind was updated on October 3, 2026 and GEF on September 30, 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.*