# FEMM Period Ovulation Tracker vs Tempdrop

The clearest difference is rating: FEMM Period Ovulation Tracker at 4.8 against Tempdrop's 4.2. FEMM Period Ovulation Tracker also leads on in-app purchases (none vs 6) and review sentiment (65% vs 39%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tempdrop sells 6 in-app purchases, starting at $2.99 per month. FEMM Period Ovulation Tracker asks for nothing beyond the download.

FEMM Period Ovulation Tracker holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: FEMM Period Ovulation Tracker has 4.1K ratings behind it against 711, so its average is the more settled of the two. Written reviews point the same way: 65% of FEMM Period Ovulation Tracker's written reviews are positive against 39% of Tempdrop's.

FEMM Period Ovulation Tracker ships an update every 4 months, Tempdrop every 2 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | FEMM Period Ovulation Tracker | Tempdrop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4.1K ratings)](https://appshunter.io/ios/app/femm-period-ovulation-tracker/id944880989/reviews)** | [4.2 (711 ratings)](https://appshunter.io/ios/app/tempdrop/id1199061141/reviews) |
| Number of ratings | **4.1K** | 711 |
| Positive reviews | **65.3% of reviews** | 38.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 103 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [FEMM Foundation](https://appshunter.io/developer/944880988) | [Tempdrop Inc](https://appshunter.io/developer/1674554833) |

## What reviewers say

### FEMM Period Ovulation Tracker

[App page](https://appshunter.io/ios/app/femm-period-ovulation-tracker/id944880989)

This app helps women track their menstrual cycles, symptoms, and fertility. It offers insights into hormonal health and connects users with healthcare professionals for personalized care and education.

**Highlights:** Cycle and period tracking, Symptom logging (physical & emotional), Daily data input reminders, Cycle pattern charts, Medication tracking, Shareable health charts, Hormone knowledge base

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💻 User-friendly interface
- 🔍 Detailed cycle tracking
- 🧠 Informative health insights
- 🤝 Helpful for natural family planning
- 🙌 Empowering for women's health

**What reviewers complain about**

- 🐛 Glitches and bugs with recent updates
- 🕰️ Redundant date/cycle prompts
- 🤔 Limited customization options
- 🔍 Lack of export/sharing features
- 🤷‍♀️ Confusing navigation at times

**Reported bugs**

- App crashes on opening after iOS updates
- Date/cycle tracking gets mixed up or stuck
- Symptom/observation data not saving properly
- Analysis/charting features not functioning as expected

**Requested features**

- Add option to track seminal fluid observations
- Integrate with Apple Health for seamless data sync
- Expand mood/emotion tracking options
- Improve date/cycle navigation and data entry
- Provide better postpartum/breastfeeding support


### Tempdrop

[App page](https://appshunter.io/ios/app/tempdrop/id1199061141)

This app works with a specialized thermometer to track subtle overnight temperature changes. It helps identify hormonal fluctuations throughout the menstrual cycle, pinpoint ovulation, and predict cycle phases. The data supports fertility awareness and cycle tracking.

**Highlights:** Basal body temperature tracking, Ovulation pinpointing, Menstrual cycle prediction, Hormonal fluctuation correlation, Fertility awareness support

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tempdrop Promo Premium monthly | $2.99 | per month |
| Tempdrop Premium monthly | $6.00 | per month |
| Tempdrop Promo Premium quarterly | $7.99 | per 3 months |
| Tempdrop Premium quarterly | $15.00 | per 3 months |
| Tempdrop Promo Premium yearly | $24.99 | per year |
| Tempdrop Premium yearly* | $48.00 | per year |

**What reviewers like**

- 🚀 Convenient and easy to use
- 🚀 Accurate temperature tracking
- 👍 Helpful for fertility awareness and family planning
- 👍 Empowering for understanding one's body
- 👍 Useful for tracking hormonal fluctuations

**What reviewers complain about**

- 🐛 Issues with app syncing and functionality
- 🔍 Limited symptom and data tracking options
- 💰 Expensive device and subscription model
- 👎 Poor customer service and support
- 👎 Unreliable hardware and short device lifespan

**Reported bugs**

- App crashes and freezes
- Issues with syncing device data
- Inaccurate cycle predictions and phase tracking
- Temperature data changes over time

**Requested features**

- Improved sleep tracking capabilities
- More customizable symptom and data tracking
- Ability to manually confirm ovulation
- Integration with other fertility/health apps
- Support for irregular cycles and postpartum/breastfeeding phases


## Frequently asked questions

### Is FEMM Period Ovulation Tracker free?

FEMM Period Ovulation Tracker is free to download, with no in-app purchases.

### Is Tempdrop free?

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

### Which has better reviews, FEMM Period Ovulation Tracker or Tempdrop?

FEMM Period Ovulation Tracker is rated higher. FEMM Period Ovulation Tracker averages 4.8 out of 5 from 4.1K ratings, while Tempdrop averages 4.2 from 711 ratings.

### Do FEMM Period Ovulation Tracker or Tempdrop have ads?

Neither FEMM Period Ovulation Tracker nor Tempdrop shows ads.

### Which is updated more often, FEMM Period Ovulation Tracker or Tempdrop?

FEMM Period Ovulation Tracker ships an update every 4 months, and Tempdrop every 2 months. Most recently, FEMM Period Ovulation Tracker was updated on October 22, 2026 and Tempdrop on October 21, 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.*