# Dotyo vs Sync Period

The clearest difference is in-app purchases: Sync Period at none against Dotyo's 3. Dotyo's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Dotyo sells 3 in-app purchases, starting at $1.99 per month. Sync Period asks for nothing beyond the download.

Dotyo ships an update every 3 weeks, Sync Period every 3 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | Dotyo | Sync Period |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sync-period/id6761670998/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 35 MB | 6 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UGUR DURMUS](https://appshunter.io/developer/1875383572) | [Start in June LLC](https://appshunter.io/developer/1831523078) |

## What reviewers say

### Dotyo

[App page](https://appshunter.io/ios/app/dotyo-minimalist-mood-tracker/id6758865611)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium | $9.99 | per year |
| Lifetime Premium | $19.99 | one-time |


### Sync Period

[App page](https://appshunter.io/ios/app/sync-period/id6761670998)

This health app offers a simple and intuitive way to monitor your menstrual cycles. It allows you to log periods, emotions, symptoms, and energy levels, providing insights and reminders for your next cycle. Personalized notes and a monthly calendar view help you stay informed about your reproductive health.

**Highlights:** Period tracking, Symptom logging, Emotion tracking, Energy level logging, Cycle insights, Period reminders, Notes and calendar view

**In-app purchases:** none


## Frequently asked questions

### Is Dotyo free?

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

### Is Sync Period free?

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

### Do Dotyo or Sync Period have ads?

Neither Dotyo nor Sync Period shows ads.

### Which is updated more often, Dotyo or Sync Period?

Dotyo ships an update every 3 weeks, and Sync Period every 3 months. Most recently, Dotyo was updated on October 28, 2026 and Sync Period on October 28, 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.*