# OvuSense Cycle & PCOS Tracker vs DotDiary

The clearest difference is in-app purchases: OvuSense Cycle & PCOS Tracker at none against DotDiary's 1. OvuSense Cycle & PCOS Tracker also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). DotDiary's advantage is update cadence (daily vs every 2 months). On price and ads there is nothing between them.

Both are free to download. DotDiary sells 1 one-off in-app purchase. OvuSense Cycle & PCOS Tracker asks for nothing beyond the download.

OvuSense Cycle & PCOS Tracker ships an update every 2 months, DotDiary daily. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OvuSense Cycle & PCOS Tracker | DotDiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/ovusense-cycle-and-pcos-tracker/id1135876274/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 90.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 35 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [VIO HealthTech Ltd](https://appshunter.io/developer/1131203238) | [Fredy Soussou](https://appshunter.io/developer/6779338173) |

## What reviewers say

### OvuSense Cycle & PCOS Tracker

[App page](https://appshunter.io/ios/app/ovusense-cycle-and-pcos-tracker/id1135876274)

This app provides highly accurate cycle tracking by measuring core body temperature with a wearable sensor. It helps predict ovulation, confirm it with high accuracy, and screen for potential health issues like PCOS. It's designed for women trying to conceive, manage PCOS, or simply understand their menstrual cycle better.

**Highlights:** Continuous core body temperature measurement, Predicts ovulation 48 hours in advance, Confirms ovulation with 99% accuracy, Screens for potential cycle issues, Tracks effectiveness of treatments and diet, Manages PCOS symptoms, Aids in timing conception

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

**In-app purchases:** none


### DotDiary

[App page](https://appshunter.io/ios/app/dotdiary/id6792033058)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DotDiary Pro | $2.99 | one-time |


## Frequently asked questions

### Is OvuSense Cycle & PCOS Tracker free?

OvuSense Cycle & PCOS Tracker is free to download, with no in-app purchases.

### Is DotDiary free?

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

### Do OvuSense Cycle & PCOS Tracker or DotDiary have ads?

Neither OvuSense Cycle & PCOS Tracker nor DotDiary shows ads.

### Which is updated more often, OvuSense Cycle & PCOS Tracker or DotDiary?

OvuSense Cycle & PCOS Tracker ships an update every 2 months, and DotDiary daily. Most recently, OvuSense Cycle & PCOS Tracker was updated on October 22, 2026 and DotDiary on October 25, 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.*