# Kalendarzyk Bella vs SmartClass App

The clearest difference is ads: Kalendarzyk Bella at none against SmartClass App's shown. Kalendarzyk Bella also leads on monetization model (free vs free with in-app purchases) and ratings volume (32 vs 4). SmartClass App's advantage is update cadence (every 2 days vs every 3 months) and rating (5.0 vs 4.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SmartClass App holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Kalendarzyk Bella has 32 ratings behind it against 4, so its average is the more settled of the two.

Kalendarzyk Bella ships an update every 3 months, SmartClass App every 2 days. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Kalendarzyk Bella | SmartClass App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (32 ratings)](https://appshunter.io/ios/app/kalendarzyk-bella/id703327359/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/smartclass-app/id6754039752/reviews)** |
| Number of ratings | **32** | 4 |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 91 MB |
| Requires iOS | **13.4** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [TORUNSKIE ZAKLADY MATERIALOW OPATRUNKOWYCH S A](https://appshunter.io/developer/961569947) | [Givi Endeladze](https://appshunter.io/developer/1841235969) |

## What reviewers say

### Kalendarzyk Bella

[App page](https://appshunter.io/ios/app/kalendarzyk-bella/id703327359)

Track your menstrual cycle, ovulation, and fertile days with this free app. Set reminders for pills and log symptoms to stay informed about your cycle. Designed for safety, comfort, and convenience.

**Highlights:** Menstrual cycle tracking, Ovulation prediction, Fertile window calculation, Pill reminders, Symptom logging, Cycle data updates

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartClass App

[App page](https://appshunter.io/ios/app/smartclass-app/id6754039752)

Discover and book fitness, wellness, and beauty classes in Georgia. Features an AI coach for personalized recommendations, meal plans, and workout tracking. Offers flexible credit options and rewards for sharing your fitness journey.

**Highlights:** Instant class booking, Flexible credit system, Personalized AI coach, Calorie and activity tracking, Workout logging, Referral rewards

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

**In-app purchases:** none


## Frequently asked questions

### Is Kalendarzyk Bella free?

Kalendarzyk Bella is free to download, with no in-app purchases.

### Is SmartClass App free?

SmartClass App is free to download, with no in-app purchases.

### Which has better reviews, Kalendarzyk Bella or SmartClass App?

SmartClass App is rated higher. Kalendarzyk Bella averages 4.6 out of 5 from 32 ratings, while SmartClass App averages 5.0 from 4 ratings.

### Do Kalendarzyk Bella or SmartClass App have ads?

SmartClass App shows ads; Kalendarzyk Bella does not.

### Which is updated more often, Kalendarzyk Bella or SmartClass App?

Kalendarzyk Bella ships an update every 3 months, and SmartClass App every 2 days. Most recently, Kalendarzyk Bella was updated on October 10, 2026 and SmartClass App on October 3, 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.*