# D Minder Pro vs Tempdrop

The clearest difference is ads: Tempdrop at none against D Minder Pro's shown. Tempdrop also leads on rating (4.2 vs 4.0) and iOS requirement (15.0 vs 17.0). D Minder Pro's advantage is update cadence (every 2 days vs every 3 months). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

Both are free to download. D Minder Pro sells 2 one-off in-app purchases and Tempdrop sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Tempdrop holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 1.8K and 710 respectively. Written reviews point the same way: 34% of D Minder Pro's written reviews are positive against 38% of Tempdrop's.

D Minder Pro ships an update every 2 days, Tempdrop every 3 months. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | D Minder Pro | Tempdrop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1.8K ratings)](https://appshunter.io/ios/app/d-minder-pro/id547102495/reviews) | **[4.2 (710 ratings)](https://appshunter.io/ios/app/tempdrop/id1199061141/reviews)** |
| Number of ratings | **1.8K** | 710 |
| Positive reviews | 33.8% of reviews | **38.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 37 MB | 103 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [ontometrics](https://appshunter.io/developer/410064693) | [Tempdrop Inc](https://appshunter.io/developer/1674554833) |

## What reviewers say

### D Minder Pro

[App page](https://appshunter.io/ios/app/d-minder-pro/id547102495)

Track and manage your Vitamin D intake and sun exposure. This app calculates optimal sun exposure times based on your profile and location, and integrates with Apple Health for seamless data exchange. It also provides forecasts and notifications for vitamin D generation opportunities.

**Highlights:** Vitamin D tracking and management, Apple Health integration, Sun exposure calculation, Optimal exposure time alerts, Daily forecasts and solar position, History and future event scheduling

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DMinder Premium | $1.99 | one-time |
| Lifetime Ad Removal | $24.99 | one-time |

**What reviewers like**

- 🚀 Useful for tracking vitamin D levels
- 🌞 Helps with safe sun exposure
- 👍 Accurate calculations
- 🔋 Doesn't drain battery
- 💡 Innovative concept

**What reviewers complain about**

- 🐛 Crashes or bugs
- 🔍 Difficult to use or navigate
- 🔧 Lacks customization options
- 📊 Inaccurate data or estimates
- 💸 Paid version not worth the cost

**Reported bugs**

- App crashes on launch or during use
- Location settings not working properly
- Inconsistent data or calculations between devices
- Inability to save or sync user data
- Overcast detection not functioning correctly

**Requested features**

- Add more food options for vitamin D
- Ability to edit past sun sessions
- Provide more detailed reports and analytics
- Add reminders or notifications for sun exposure
- Allow customization of skin type and location


### 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 D Minder Pro free?

D Minder Pro is free to download, with in-app purchases available.

### Is Tempdrop free?

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

### Which has better reviews, D Minder Pro or Tempdrop?

Tempdrop is rated higher. D Minder Pro averages 4.0 out of 5 from 1.8K ratings, while Tempdrop averages 4.2 from 710 ratings.

### Do D Minder Pro or Tempdrop have ads?

D Minder Pro shows ads; Tempdrop does not.

### Which is updated more often, D Minder Pro or Tempdrop?

D Minder Pro ships an update every 2 days, and Tempdrop every 3 months. Most recently, D Minder Pro was updated on September 29, 2026 and Tempdrop on September 30, 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.*