# 28X Private Period Tracker vs Trekr

The clearest difference is in-app purchases: Trekr at none against 28X Private Period Tracker's 1. 28X Private Period Tracker's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 28X Private Period Tracker sells 1 one-off in-app purchase. Trekr asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 28X Private Period Tracker | Trekr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/28x-private-period-tracker/id6747716043/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 100 MB | 17 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [28x](https://appshunter.io/developer/1822565803) | [Akansh Anish](https://appshunter.io/developer/1890242046) |

## What reviewers say

### 28X Private Period Tracker

[App page](https://appshunter.io/ios/app/28x-private-period-tracker/id6747716043)

Understand your menstrual cycle with a privacy-focused period tracker. Log moods, symptoms, and gain insights into your body's patterns from first periods to menopause. All your data stays on your device, with no ads or data selling.

**Highlights:** Period and cycle tracking, Menstrual phase predictions, Mood, energy, and symptom logging, Clinically informed women's health content, Data stored locally on device, No ads, subscriptions, or data selling

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NEON Butterfly | $1.99 | one-time |


### Trekr

[App page](https://appshunter.io/ios/app/trekr/id6761550987)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 28X Private Period Tracker free?

28X Private Period Tracker is free to download, with in-app purchases available.

### Is Trekr free?

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

### Do 28X Private Period Tracker or Trekr have ads?

Neither 28X Private Period Tracker nor Trekr shows ads.

### Which is updated more often, 28X Private Period Tracker or Trekr?

28X Private Period Tracker ships an update weekly, and Trekr weekly. Most recently, 28X Private Period Tracker was updated on November 5, 2026 and Trekr on November 9, 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.*