# Chest Radiographs Exam Prep vs Foldmetry

The clearest difference is review sentiment: Foldmetry at 100% against Chest Radiographs Exam Prep's 0%. Foldmetry also leads on price (Free vs $3.99) and rating (5.0 vs 1.0). Chest Radiographs Exam Prep's advantage is in-app purchases (none vs 2) and iOS requirement (12.4 vs 17.0). On ads and device support there is nothing between them.

Foldmetry is free to download; Chest Radiographs Exam Prep costs $3.99 up front. Foldmetry sells 2 in-app purchases, starting at $9.99 per year. Chest Radiographs Exam Prep asks for nothing beyond the download.

Foldmetry holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of Chest Radiographs Exam Prep's written reviews are positive against 100% of Foldmetry's.

Chest Radiographs Exam Prep ships an update every 38 months, Foldmetry every 10 days. The most recent releases landed on September 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chest Radiographs Exam Prep | Foldmetry |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/chest-radiographs-exam-prep/id1200063374/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/foldmetry-spatial-reasoning/id6792459865/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 10 days** |
| Monetization | Paid | **Freemium** |
| Size | 9 MB | 16 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Tourkia CHIHI](https://appshunter.io/developer/1105976811) | [思迪 李](https://appshunter.io/developer/1448600251) |

## What reviewers say

### Chest Radiographs Exam Prep

[App page](https://appshunter.io/ios/app/chest-radiographs-exam-prep/id1200063374)

Prepare for medical exams with study notes, flashcards, and practice questions on chest radiographs. This app offers multiple study modes to enhance learning and understanding for students and professionals.

**Highlights:** Study notes and concepts, Practice questions, Flashcards for memorization, Multiple study modes, Exam preparation, Content developed by teachers and students

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

**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 Chest Radiographs Exam Prep free?

Chest Radiographs Exam Prep costs $3.99, with no in-app purchases.

### Is Foldmetry free?

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

### Which has better reviews, Chest Radiographs Exam Prep or Foldmetry?

Foldmetry is rated higher. Chest Radiographs Exam Prep averages 1.0 out of 5 from 1 ratings, while Foldmetry averages 5.0 from 3 ratings.

### Do Chest Radiographs Exam Prep or Foldmetry have ads?

Neither Chest Radiographs Exam Prep nor Foldmetry shows ads.

### Which is updated more often, Chest Radiographs Exam Prep or Foldmetry?

Chest Radiographs Exam Prep ships an update every 38 months, and Foldmetry every 10 days. Most recently, Chest Radiographs Exam Prep was updated on September 21, 2026 and Foldmetry on October 24, 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.*