# RedCalendar vs Tending

The clearest difference is iOS requirement: RedCalendar at 13.0 against Tending's 18.0. On price, update cadence, ads and in-app purchases 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, Tending every 6 weeks. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | RedCalendar | Tending |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tending-cycle-tracker/id6783972111/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 19 MB | 3 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Artem Bolotov](https://appshunter.io/developer/901756576) | [Joshua Harrington](https://appshunter.io/developer/1875721754) |

## 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


### Tending

[App page](https://appshunter.io/ios/app/tending-cycle-tracker/id6783972111)

This app offers a private space to track your menstrual cycle, water intake, and workouts. It features adaptive predictions for your cycle, playful hydration tracking, and simple movement logging, all while prioritizing user privacy with on-device data storage and no ads or analytics.

**Highlights:** Menstrual cycle and moon phase tracking, Adaptive period and fertility predictions, Playful water intake logging with streaks, Simple workout streak tracking, On-device data storage for privacy, Face ID/Touch ID app lock

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

**In-app purchases:** none


## Frequently asked questions

### Is RedCalendar free?

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

### Is Tending free?

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

### Do RedCalendar or Tending have ads?

Neither RedCalendar nor Tending shows ads.

### Which is updated more often, RedCalendar or Tending?

RedCalendar ships an update every 2 months, and Tending every 6 weeks. Most recently, RedCalendar was updated on October 11, 2026 and Tending on October 14, 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.*