# Aligner Timer vs Perigee

The clearest difference is in-app purchases: Aligner Timer at none against Perigee's 2. Perigee's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Perigee sells 2 in-app purchases, starting at $6.99 per month. Aligner Timer asks for nothing beyond the download.

Aligner Timer ships an update every 3 weeks, Perigee every 3 days. The most recent releases landed on September 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Aligner Timer | Perigee |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perigee-perimenopause-tracker/id6788689445/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 6 MB | 23 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alex Davis](https://appshunter.io/developer/564771427) | [俊峰 罗](https://appshunter.io/developer/1803006171) |

## What reviewers say

### Aligner Timer

[App page](https://appshunter.io/ios/app/aligner-timer-tray-tracker/id6779902737)

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

**In-app purchases:** none


### Perigee

[App page](https://appshunter.io/ios/app/perigee-perimenopause-tracker/id6788689445)

This app consolidates Apple Watch readings like heart rate, sleep, and temperature into a daily morning summary. It allows users to log symptoms and HRT notes, revealing patterns between their experiences and physiological data. The app provides insights and suggestions to help users understand their perimenopause journey.

**Highlights:** Consolidated Apple Watch readings, Daily morning summaries, Symptom logging, HRT log, Pattern visualization, Doctor-ready PDF export

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| perigee Plus (Monthly) | $6.99 | per month |
| perigee Plus (Yearly) | $49.99 | per year |


## Frequently asked questions

### Is Aligner Timer free?

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

### Is Perigee free?

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

### Do Aligner Timer or Perigee have ads?

Neither Aligner Timer nor Perigee shows ads.

### Which is updated more often, Aligner Timer or Perigee?

Aligner Timer ships an update every 3 weeks, and Perigee every 3 days. Most recently, Aligner Timer was updated on September 12, 2026 and Perigee on September 24, 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.*