# majors23 vs Foldmetry

The clearest difference is in-app purchases: majors23 at none against Foldmetry's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Foldmetry sells 2 in-app purchases, starting at $9.99 per year. majors23 asks for nothing beyond the download.

majors23 ships an update every 5 days, Foldmetry every 9 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | majors23 | Foldmetry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/foldmetry-spatial-reasoning/id6792459865/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | — | Freemium |
| Size | 139 MB | 16 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [JAE HO YOON](https://appshunter.io/developer/1886674566) | [思迪 李](https://appshunter.io/developer/1448600251) |

## What reviewers say

### majors23

[App page](https://appshunter.io/ios/app/majors23/id6760968725)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is majors23 free?

majors23 is free to download, with no in-app purchases.

### Is Foldmetry free?

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

### Do majors23 or Foldmetry have ads?

Neither majors23 nor Foldmetry shows ads.

### Which is updated more often, majors23 or Foldmetry?

majors23 ships an update every 5 days, and Foldmetry every 9 days. Most recently, majors23 was updated on October 8, 2026 and Foldmetry on October 1, 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.*