# D Minder Pro vs 28

The clearest difference is rating: 28 at 4.6 against D Minder Pro's 4.0. 28 also leads on ads (none vs shown) and review sentiment (47% vs 34%). D Minder Pro's advantage is update cadence (every 2 days vs every 5 days). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. D Minder Pro sells 2 one-off in-app purchases and 28 sells 27 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

28 holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 1.8K and 5.7K respectively. Written reviews point the same way: 34% of D Minder Pro's written reviews are positive against 47% of 28's.

D Minder Pro ships an update every 2 days, 28 every 5 days. Both last shipped on November 1, 2026.

## The numbers

| Metric | D Minder Pro | 28 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1.8K ratings)](https://appshunter.io/ios/app/d-minder-pro/id547102495/reviews) | **[4.6 (5.7K ratings)](https://appshunter.io/ios/app/28-period-and-cycle-tracker/id6443715544/reviews)** |
| Number of ratings | 1.8K | **5.7K** |
| Positive reviews | 34.0% of reviews | **46.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Freemium | Free with in-app purchases |
| Size | 37 MB | 183 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | +17 |
| Developer | [ontometrics](https://appshunter.io/developer/410064693) | [28 Wellness, LLC](https://appshunter.io/developer/1648639720) |

## 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


### 28

[App page](https://appshunter.io/ios/app/28-period-and-cycle-tracker/id6443715544)

This app offers personalized fitness and wellness plans based on your menstrual cycle. Get daily exercise videos, nutrition advice, and emotional insights tailored to your body's hormonal fluctuations. Understand your biology and optimize your health.

**Highlights:** Daily cycle tracking, Personalized exercise videos, Hormone-balancing nutrition profiles, Science-backed emotional insights, Phase-specific guidance, No equipment workouts

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

**In-app purchases (27)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Partner Sharing | $6.99 | per month |
| 28 Premium Monthly | $15.99 | per month |
| 3 months premium | $19.00 | per 3 months |
| 28 Premium Monthly | $19.99 | per month |
| 28 Premium Annual | $19.99 | per year |
| 28 3 months premium | $26.00 | per 3 months |
| 28 Premium Annual | $29.99 | per year |
| 28 Wellness Premium | $37.00 | per 3 months |
| 28 Wellness Premium | $37.99 | per 3 months |
| 28 3 months premium | $39.00 | per 3 months |
| premium annual | $39.00 | per year |
| 28 Wellness Premium | $39.99 | per 3 months |
| 28 Premium Annual | $39.99 | per year |
| 28 Wellness Premium | $49.99 | per 3 months |
| 28 Annual Premium 2024 | $62.00 | per year |
| 28 Wellness Premium | $64.00 | per 6 months |
| 28 Wellness Premium | $67.99 | per year |
| 28 Wellness Premium | $71.99 | per year |
| 28 Wellness Premium | $75.00 | per 3 months |
| 28 Premium Annual | $79.00 | per year |
| Premium | $89.00 | per year |
| 28 Wellness Premium | $95.99 | per year |
| 28 Wellness Premium | $119.99 | per year |
| 28 Wellness Premium | $129.00 | per 6 months |
| 28 Wellness Premium | $179.00 | per year |
| 28 Wellness Premium | $179.99 | per year |
| 28 Wellness Premium | $249.99 | per year |

**What reviewers like**

- 🚀 Helpful insights and guidance
- 🔒 Empowering women's health
- 👍 Visually appealing and easy to use
- 🚀 Cycle-synced workouts and nutrition
- 👍 Informative and educational

**What reviewers complain about**

- 🐛 Tracking issues with irregular cycles
- 💡 Lack of customization options
- 💡 Expensive premium subscription
- 🔒 Concerns about privacy and data usage
- 👎 Overly sexualized imagery

**Reported bugs**

- Inability to update period start/end dates
- Workout videos experiencing sound issues
- App randomly logging users out
- Recipes and grocery lists not syncing properly

**Requested features**

- Ability to manually log period start/end dates
- Integration with Apple Health for cycle data
- More diverse representation of body types
- Customizable meal plans and grocery lists
- Monthly subscription option instead of annual


## Frequently asked questions

### Is D Minder Pro free?

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

### Is 28 free?

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

### Which has better reviews, D Minder Pro or 28?

28 is rated higher. D Minder Pro averages 4.0 out of 5 from 1.8K ratings, while 28 averages 4.6 from 5.7K ratings.

### Do D Minder Pro or 28 have ads?

D Minder Pro shows ads; 28 does not.

### Which is updated more often, D Minder Pro or 28?

D Minder Pro ships an update every 2 days, and 28 every 5 days. Most recently, D Minder Pro was updated on November 1, 2026 and 28 on November 1, 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.*