# Charlies vs CEFREF

The clearest difference is in-app purchases: Charlies at none against CEFREF's 3. Charlies also leads on iOS requirement (12.0 vs 16.0). CEFREF's advantage is update cadence (every 3 weeks vs every 19 months). On price, ads and device support there is nothing between them.

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

Charlies ships an update every 19 months, CEFREF every 3 weeks. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Charlies | CEFREF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 61 MB | 81 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Declan Britton](https://appshunter.io/developer/1515019669) | [Ceftronics Limited](https://appshunter.io/developer/1594794451) |

## What reviewers say

### Charlies

[App page](https://appshunter.io/ios/app/charlies/id1556039271)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Charlies free?

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

### Is CEFREF free?

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

### Do Charlies or CEFREF have ads?

Neither Charlies nor CEFREF shows ads.

### Which is updated more often, Charlies or CEFREF?

Charlies ships an update every 19 months, and CEFREF every 3 weeks. Most recently, Charlies was updated on September 26, 2026 and CEFREF 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.*