# Procef vs Chart Neo

The clearest difference is in-app purchases: Procef at none against Chart Neo's 2. Chart Neo's advantage is update cadence (every 6 weeks vs every 7 months) and review sentiment (80% vs 67%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Chart Neo sells 2 one-off in-app purchases. Procef asks for nothing beyond the download.

Procef ships an update every 7 months, Chart Neo every 6 weeks. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Procef | Chart Neo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (72 ratings)](https://appshunter.io/ios/app/chart-neo/id1376976631/reviews)** |
| Number of ratings | — | **72** |
| Positive reviews | 66.7% of reviews | **79.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 67 MB | 15 MB |
| Requires iOS | **12.0** | 13.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 12+ |
| Developer | [Jose Arraztoa](https://appshunter.io/developer/1256583359) | [NeoFertility LLC](https://appshunter.io/developer/1837439527) |

## What reviewers say

### Procef

[App page](https://appshunter.io/ios/app/procef/id1256583360)

This app helps women track their fertility cycles using natural bodily signs. It can be used by women with various cycle types, including irregular ones, and supports family planning goals. It also promotes communication between partners regarding reproductive health.

**Highlights:** Fertility cycle tracking, Natural bodily sign detection, Supports irregular cycles, Family planning (seeking/spacing pregnancy), Reproductive health awareness, Partner communication tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Chart Neo

[App page](https://appshunter.io/ios/app/chart-neo/id1376976631)

This app simplifies menstrual cycle tracking by combining proven methods into an easy-to-use interface. It offers fast recording, offline functionality, and detailed chart viewing, with an accompanying web portal for advanced features and advisor interaction.

**Highlights:** Combines proven charting methods, Fast and easy sign recording, Offline functionality, View historical charts, Web portal access, Share with spouse/devices, Apple Watch companion app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Year of Chart Neo | $19.99 | one-time |
| Cycle Charting Basics | $99.99 | one-time |


## Frequently asked questions

### Is Procef free?

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

### Is Chart Neo free?

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

### Do Procef or Chart Neo have ads?

Neither Procef nor Chart Neo shows ads.

### Which is updated more often, Procef or Chart Neo?

Procef ships an update every 7 months, and Chart Neo every 6 weeks. Most recently, Procef was updated on September 30, 2026 and Chart Neo on October 8, 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.*