# Plotsy vs Cefalia

The clearest difference is in-app purchases: Cefalia at none against Plotsy's 3. Cefalia also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Plotsy sells 3 in-app purchases, starting at $4.99 per month. Cefalia asks for nothing beyond the download.

Plotsy ships an update every 2 weeks, Cefalia every 2 days. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Plotsy | Cefalia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 9 MB | 36 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Serhii Tykhonenko](https://appshunter.io/developer/1895816215) | [Juan Agustin Biani](https://appshunter.io/developer/6807179642) |

## What reviewers say

### Plotsy

[App page](https://appshunter.io/ios/app/plotsy-symptom-diary/id6778679232)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $29.99 | per year |
| Pro Lifetime | $59.99 | one-time |


### Cefalia

[App page](https://appshunter.io/ios/app/cefalia/id6807179640)

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

**In-app purchases:** none


## Frequently asked questions

### Is Plotsy free?

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

### Is Cefalia free?

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

### Do Plotsy or Cefalia have ads?

Neither Plotsy nor Cefalia shows ads.

### Which is updated more often, Plotsy or Cefalia?

Plotsy ships an update every 2 weeks, and Cefalia every 2 days. Most recently, Plotsy was updated on October 10, 2026 and Cefalia on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*