# FutureNerds vs Six Sigma Prep

The clearest difference is in-app purchases: FutureNerds at none against Six Sigma Prep's 3. FutureNerds also leads on update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Six Sigma Prep sells 3 in-app purchases, starting at $5.99 per 7 days. FutureNerds asks for nothing beyond the download.

FutureNerds ships an update daily, Six Sigma Prep every 3 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | FutureNerds | Six Sigma Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 65 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prashant Sridharan](https://appshunter.io/developer/1838712466) | [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) |

## What reviewers say

### FutureNerds

[App page](https://appshunter.io/ios/app/futurenerds/id6759268779)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Six Sigma Prep

[App page](https://appshunter.io/ios/app/six-sigma-prep-belt-and-test/id6789263894)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Six Sigma Prep Weekly | $5.99 | per 7 days |
| Six Sigma Prep Monthly | $14.99 | per month |
| Quarterly | $29.99 | per 3 months |


## Frequently asked questions

### Is FutureNerds free?

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

### Is Six Sigma Prep free?

Six Sigma Prep is free to download, with in-app purchases available.

### Do FutureNerds or Six Sigma Prep have ads?

Neither FutureNerds nor Six Sigma Prep shows ads.

### Which is updated more often, FutureNerds or Six Sigma Prep?

FutureNerds ships an update daily, and Six Sigma Prep every 3 weeks. Most recently, FutureNerds was updated on October 31, 2026 and Six Sigma Prep 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.*