# Period vs Dan's PT

The clearest difference is in-app purchases: Period at none against Dan's PT's 1. Period also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dan's PT sells 1 in-app purchase, starting at $254.99 per month. Period asks for nothing beyond the download.

Period ships an update monthly, Dan's PT every 2 months. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Period | Dan's PT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2.4K ratings)](https://appshunter.io/ios/app/period-tracker/id6480586681/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 56 MB | 56 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [SPD Development Company Ltd](https://appshunter.io/developer/976408511) | [S.L BRENNAN & D.N RILEY](https://appshunter.io/developer/1815454304) |

## What reviewers say

### Period

[App page](https://appshunter.io/ios/app/period-tracker/id6480586681)

Track your menstrual cycle, log period dates, ovulation test results, and symptoms. Gain insights into fertility probability based on your cycle length. This app helps predict periods and monitor cycles.

**Highlights:** Menstrual cycle tracking, Period logging, Ovulation test logging, Symptom tracking, Fertility probability insights, Cycle length comparison

**In-app purchases:** none

**What reviewers like**

- 👍 Accurate tracking
- 🚀 Easy to use
- 💡 Helpful for fertility tracking

**What reviewers complain about**

- 🐛 Notifications not working as expected
- 🐛 Data loss after updates
- 🐛 Broken links in the app
- 💡 No option to log basal body temperature

**Reported bugs**

- Dates and data getting changed after updates
- Calendar not populating after updates
- Whole calendar getting erased after updates

**Requested features**

- Add option to log basal body temperature
- Improve notification customization


### Dan's PT

[App page](https://appshunter.io/ios/app/dans-pt/id6746151091)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Change begins here!!! | $254.99 | per month |


## Frequently asked questions

### Is Period free?

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

### Is Dan's PT free?

Dan's PT is free to download, with in-app purchases available.

### Do Period or Dan's PT have ads?

Neither Period nor Dan's PT shows ads.

### Which is updated more often, Period or Dan's PT?

Period ships an update monthly, and Dan's PT every 2 months. Most recently, Period was updated on October 18, 2026 and Dan's PT on October 7, 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.*