# RedCalendar vs Spro Женский календарь

The clearest difference is update cadence: Spro Женский календарь at fortnightly against RedCalendar's every 2 months. On price, ads, 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.

RedCalendar ships an update every 2 months, Spro Женский календарь fortnightly. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | RedCalendar | Spro Женский календарь |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 19 MB | 19 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Artem Bolotov](https://appshunter.io/developer/901756576) | [Ekaterina Pomazanova](https://appshunter.io/developer/1643857863) |

## What reviewers say

### RedCalendar

[App page](https://appshunter.io/ios/app/redcalendar-cycle-tracker/id1535523842)

Track your menstrual cycle, predict periods, and identify fertile days. This cloud-based diary allows for custom daily entries and syncs data even in airplane mode. Receive timely reminders for key cycle events.

**Highlights:** Menstruation prediction, Ovulation tracking, Fertile day identification, Customizable daily diary, Cloud-based data backup, Airplane mode functionality, Cycle analysis using median values

**Features:** macOS Compatibility

**In-app purchases:** none


### Spro Женский календарь

[App page](https://appshunter.io/ios/app/spro/id1643857861)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RedCalendar free?

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

### Is Spro Женский календарь free?

Spro Женский календарь is free to download, with no in-app purchases.

### Do RedCalendar or Spro Женский календарь have ads?

Neither RedCalendar nor Spro Женский календарь shows ads.

### Which is updated more often, RedCalendar or Spro Женский календарь?

RedCalendar ships an update every 2 months, and Spro Женский календарь fortnightly. Most recently, RedCalendar was updated on October 11, 2026 and Spro Женский календарь on October 17, 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.*