# PeakDay Fertility Tracker App vs NFP Tracker

The clearest difference is update cadence: NFP Tracker at every 5 days against PeakDay Fertility Tracker App's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PeakDay Fertility Tracker App sells 3 in-app purchases, starting at $9.99 per month and NFP Tracker sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

PeakDay Fertility Tracker App ships an update every 6 weeks, NFP Tracker every 5 days. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PeakDay Fertility Tracker App | NFP Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (27 ratings)](https://appshunter.io/ios/app/peakday-fertility-tracker-app/id1641958874/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 59.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 29 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Couple to Couple League](https://appshunter.io/developer/1641959056) | [Mitchell Fisher](https://appshunter.io/developer/1867083161) |

## What reviewers say

### PeakDay Fertility Tracker App

[App page](https://appshunter.io/ios/app/peakday-fertility-tracker-app/id1641958874)

This app helps track menstrual cycles and fertility signs to predict ovulation and peak fertility days. It supports natural family planning and offers community support and educational resources for enhanced fertility awareness.

**Highlights:** Period and ovulation charting, Natural family planning support, Sympto-Thermal method compatibility, Customizable symptom tracking, Community forums with fertility coaches, Chart sharing with teachers/doctors, Cycle history comparison

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $59.99 | per year |
| Chart Review | $4.99 | one-time |

**What reviewers like**

- 👍 Beautiful, simple interface
- 👍 Affordable subscription
- 👍 Good, reliable app
- 👍 Helps improve and analyze charts
- 👍 Effective for Sympto-Thermal Method

**What reviewers complain about**

- 🐛 Super glitchy
- 🐛 Not acceptable for a paid app
- 🐛 No longer allows data input after update
- 🐛 Freezes during sign up
- 🐛 Doesn't regulate data correctly

**Reported bugs**

- Super glitchy
- No longer allows data input after last update
- Freezes during sign up
- Doesn't regulate data like it should
- Apple Watch syncing is clunky

**Requested features**

- Integrate Bluetooth connectivity to oral basal thermometers
- Import past data
- Dark mode option
- Advanced analytics dashboard
- More user-friendly interface for iPad


### NFP Tracker

[App page](https://appshunter.io/ios/app/nfp-tracker/id6757454342)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access (monthly) | $9.99 | per month |
| Access (yearly) | $64.99 | per year |


## Frequently asked questions

### Is PeakDay Fertility Tracker App free?

PeakDay Fertility Tracker App is free to download, with in-app purchases available.

### Is NFP Tracker free?

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

### Do PeakDay Fertility Tracker App or NFP Tracker have ads?

Neither PeakDay Fertility Tracker App nor NFP Tracker shows ads.

### Which is updated more often, PeakDay Fertility Tracker App or NFP Tracker?

PeakDay Fertility Tracker App ships an update every 6 weeks, and NFP Tracker every 5 days. Most recently, PeakDay Fertility Tracker App was updated on November 12, 2026 and NFP Tracker on November 5, 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.*