# Numery vs Foldmetry

The clearest difference is update cadence: Numery at every 2 days against Foldmetry's every 9 days. Foldmetry's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Numery sells 3 in-app purchases, starting at $1.99 per month and Foldmetry sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

Numery ships an update every 2 days, Foldmetry every 9 days. The most recent releases landed on September 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Numery | 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | — | Freemium |
| Size | 10 MB | 16 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Carlander-Reuterfelt Gallo](https://appshunter.io/developer/1891708405) | [思迪 李](https://appshunter.io/developer/1448600251) |

## What reviewers say

### Numery

[App page](https://appshunter.io/ios/app/numery-major-system/id6761836552)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Numery Pro mensual | $1.99 | per month |
| Numery Pro – Anual | $9.99 | per year |
| Numery Pro de por vida | $34.99 | one-time |


### 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 Numery free?

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

### Is Foldmetry free?

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

### Do Numery or Foldmetry have ads?

Neither Numery nor Foldmetry shows ads.

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

Numery ships an update every 2 days, and Foldmetry every 9 days. Most recently, Numery was updated on September 9, 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.*