# Foldmetry vs Brain Preflight

The clearest difference is ads: Foldmetry at none against Brain Preflight's shown. Foldmetry also leads on ratings volume (3 vs 1). Brain Preflight's advantage is update cadence (every 2 days vs every 10 days) and iOS requirement (15.0 vs 17.0). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Foldmetry sells 2 in-app purchases, starting at $9.99 per year and Brain Preflight sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Foldmetry against 5.0 for Brain Preflight. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Foldmetry ships an update every 10 days, Brain Preflight every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Foldmetry | Brain Preflight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/foldmetry-spatial-reasoning/id6792459865/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/brain-preflight-aptitude-test/id6794363864/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 16 MB | 13 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [思迪 李](https://appshunter.io/developer/1448600251) | [Amine Kara](https://appshunter.io/developer/6794363986) |

## What reviewers say

### Foldmetry

[App page](https://appshunter.io/ios/app/foldmetry-spatial-reasoning/id6792459865)

Practice spatial reasoning skills for 11+ and CAT4-style assessments. Offers interactive exercises in mental rotation, cube nets, perspective taking, paper folding, block assembly, and cross sections.  Unlock full features with a subscription or lifetime purchase.

**Highlights:** Mental Rotation exercises, Cube Nets prediction, Perspective Taking visualization, Paper Folding reversal, Block Assembly counting, Cross Sections slicing, Timed exam-style practice

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Foldmetry Pro Annual | $9.99 | per year |
| Foldmetry Pro Lifetime | $24.99 | one-time |


### Brain Preflight

[App page](https://appshunter.io/ios/app/brain-preflight-aptitude-test/id6794363864)

Engage in daily brain training with exercises mirroring pilot aptitude tests. Improve memory, logic, spatial reasoning, and multitasking skills. Prepare for aviation selections with tailored programs and mock exams.

**Highlights:** Pilot aptitude test exercises, Memory, logic, spatial, multitasking training, Tailored selection preparation programs, Full mock exams under real conditions, Cognitive diagnostic tools, 100% offline functionality, Aviation English and culture knowledge

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Foldmetry free?

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

### Is Brain Preflight free?

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

### Which has better reviews, Foldmetry or Brain Preflight?

Foldmetry and Brain Preflight are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Foldmetry or Brain Preflight have ads?

Brain Preflight shows ads; Foldmetry does not.

### Which is updated more often, Foldmetry or Brain Preflight?

Foldmetry ships an update every 10 days, and Brain Preflight every 2 days. Most recently, Foldmetry was updated on October 31, 2026 and Brain Preflight on October 31, 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.*