# Siddha vs Period Tracker

The clearest difference is in-app purchases: Siddha at none against Period Tracker's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Period Tracker sells 3 in-app purchases, starting at $2.99 per 7 days. Siddha asks for nothing beyond the download.

Siddha ships an update weekly, Period Tracker every 2 weeks. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Siddha | Period Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 21 MB | 163 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Srinath Vangala](https://appshunter.io/developer/1806796010) | [TraceWave](https://appshunter.io/developer/1782357742) |

## What reviewers say

### Siddha

[App page](https://appshunter.io/ios/app/siddha/id6745690040)

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

**In-app purchases:** none


### Period Tracker

[App page](https://appshunter.io/ios/app/period-tracker-ovulation-cycle/id6774117828)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $99.99 | per year |


## Frequently asked questions

### Is Siddha free?

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

### Is Period Tracker free?

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

### Do Siddha or Period Tracker have ads?

Neither Siddha nor Period Tracker shows ads.

### Which is updated more often, Siddha or Period Tracker?

Siddha ships an update weekly, and Period Tracker every 2 weeks. Most recently, Siddha was updated on October 8, 2026 and Period Tracker on October 13, 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.*