# Study Radar vs PediaRex

The clearest difference is update cadence: PediaRex at daily against Study Radar's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Study Radar sells 10 in-app purchases, starting at $19.99 per month and PediaRex sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Study Radar ships an update fortnightly, PediaRex daily. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Study Radar | PediaRex |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 77 MB | 39 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Osadipe Omolasoye](https://appshunter.io/developer/1803171402) | [Sajil Haq](https://appshunter.io/developer/1887198954) |

## What reviewers say

### Study Radar

[App page](https://appshunter.io/ios/app/study-radar/id6743494195)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Evaluation Exam Monthly | $19.99 | per month |
| American NAPLEX Exam | $29.99 | per month |
| MCCQE Exam Monthly | $29.99 | per month |
| Evaluation Exam Quarterly | $59.99 | per 3 months |
| OSPE Mock Exam Monthly | $69.99 | per month |
| National Council Licensure Exam Qua | $69.99 | per 3 months |
| OSCE Monthly | $89.99 | per month |
| American NAPLEX Exam Quarterly | $99.99 | per 3 months |
| MCCQE Exam Quarterly | $99.99 | per 3 months |
| OSCE Quarterly | $299.99 | per 3 months |


### PediaRex

[App page](https://appshunter.io/ios/app/pediarex/id6761159114)

This educational tool helps medical students practice pediatric dose calculations and pharmacology. It offers offline practice for various medication forms and includes a comprehensive study guide with clinical notes and warnings. An optional Pro version removes ads and adds advanced features.

**Highlights:** Weight-based pediatric dose practice, Offline calculation for syrups, drops, tablets, injectables, Study guide with clinical notes and warnings, Over 620 pediatric medicine entries, Pro version with IP Mode and ad-free experience, Searchable medicine database

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PediaRex Pro Onetime purchase | $0.99 | one-time |


## Frequently asked questions

### Is Study Radar free?

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

### Is PediaRex free?

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

### Do Study Radar or PediaRex have ads?

Neither Study Radar nor PediaRex shows ads.

### Which is updated more often, Study Radar or PediaRex?

Study Radar ships an update fortnightly, and PediaRex daily. Most recently, Study Radar was updated on October 10, 2026 and PediaRex on October 11, 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.*