# Period Tracker Period Calendar vs Boost Studios

The clearest difference is in-app purchases: Boost Studios at none against Period Tracker Period Calendar's 10. Boost Studios also leads on ads (none vs shown). Period Tracker Period Calendar's advantage is update cadence (every 9 days vs every 8 months) and chart position (#45 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Period Tracker Period Calendar sells 10 in-app purchases, starting at $0.99 per 7 days. Boost Studios asks for nothing beyond the download.

Period Tracker Period Calendar ships an update every 9 days, Boost Studios every 8 months. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Period Tracker Period Calendar | Boost Studios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (175K ratings)](https://appshunter.io/ios/app/period-tracker-period-calendar/id896501514/reviews)** | — |
| Number of ratings | **175K** | — |
| Positive reviews | 87.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#45** | — |
| Size | 293 MB | 15 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ABISHKKING LIMITED.](https://appshunter.io/developer/896501517) | [Trainin](https://appshunter.io/developer/1732652497) |

## What reviewers say

### Period Tracker Period Calendar

[App page](https://appshunter.io/ios/app/period-tracker-period-calendar/id896501514)

**Currently charting:** #45 Top Free · Health & Fitness, #183 Top Grossing · Health & Fitness (US App Store)

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized advice, pregnancy tracking, and reminders for birth control and medication. Your data is kept private and stored locally on your device.

**Highlights:** Period and ovulation prediction, Fertility tracking, Pregnancy mode with week-by-week growth, Birth control and pill reminders, Symptom tracking and predictions, Privacy-focused with local data storage, Partner mode for sharing

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day Premium | $0.99 | per 7 days |
| Weekly Premium | $1.49 | per 7 days |
| Monthly Membership | $9.99 | per month |
| Period & Pregnancy Tracker | $39.99 | per year |
| Yearly Premium | $39.99 | per year |
| Yearly Membership | $39.99 | per year |
| Ovulation & Period Tracker | $49.99 | per year |
| Premium Yearly | $49.99 | per year |
| Pro: Period Calendar | $49.99 | per year |
| Remove the Ads | $2.99 | one-time |

**What reviewers like**

- ⭐ Accurate period tracking
- 📆 Helpful calendar and diary features
- 🌟 Customizable themes and pets
- 🔍 Comprehensive symptom and health tracking
- 🗓️ Reliable period and ovulation predictions

**What reviewers complain about**

- 🔍 Unclear symptom definitions
- 🔔 Intrusive and unskippable ads
- 🔒 Concerns about data privacy and security
- 🔢 Inaccurate period and ovulation predictions
- 🔀 Difficulty in adjusting past cycle data

**Reported bugs**

- App crashes or freezes on launch
- Sync and backup issues leading to data loss
- Inconsistent period and ovulation predictions

**Requested features**

- Add option to track miscarriage or abortion
- Improve symptom tracking with more detailed options
- Implement a dark mode or more theme options
- Provide better integration with health tracking apps
- Allow users to easily adjust past cycle data


### Boost Studios

[App page](https://appshunter.io/ios/app/boost-studios/id6670202365)

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

**In-app purchases:** none


## Frequently asked questions

### Is Period Tracker Period Calendar free?

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

### Is Boost Studios free?

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

### Do Period Tracker Period Calendar or Boost Studios have ads?

Period Tracker Period Calendar shows ads; Boost Studios does not.

### Which is updated more often, Period Tracker Period Calendar or Boost Studios?

Period Tracker Period Calendar ships an update every 9 days, and Boost Studios every 8 months. Most recently, Period Tracker Period Calendar was updated on November 5, 2026 and Boost Studios on November 4, 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.*