# CEFREF vs BDA Peng

The clearest difference is in-app purchases: BDA Peng at none against CEFREF's 3. CEFREF's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CEFREF sells 3 in-app purchases, starting at $2.99 per month. BDA Peng asks for nothing beyond the download.

CEFREF ships an update every 3 weeks, BDA Peng every 5 months. The most recent releases landed on June 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CEFREF | BDA Peng |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 27 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Ceftronics Limited](https://appshunter.io/developer/1594794451) | [The British Dietetic Association](https://appshunter.io/developer/916548291) |

## What reviewers say

### CEFREF

[App page](https://appshunter.io/ios/app/cefref-migraine-tracker/id1594794449)

This app simplifies migraine tracking with quick logging of pain and medication. It helps users identify patterns and generates shareable PDF reports for healthcare providers. Designed for ease of use without ads or distractions.

**Highlights:** Quick headache and medication logging, Identify migraine patterns and trends, Generate shareable PDF reports, Ad-free and private tracking, Simple, clutter-free interface

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CEFREF Premium | $2.99 | per month |
| Data Export | $0.99 | one-time |
| CEFREF Premium | $9.99 | one-time |


### BDA Peng

[App page](https://appshunter.io/ios/app/bda-peng/id6749851220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CEFREF free?

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

### Is BDA Peng free?

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

### Do CEFREF or BDA Peng have ads?

Neither CEFREF nor BDA Peng shows ads.

### Which is updated more often, CEFREF or BDA Peng?

CEFREF ships an update every 3 weeks, and BDA Peng every 5 months. Most recently, CEFREF was updated on June 4, 2026 and BDA Peng on September 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.*