# RhythmX vs EveLock

The clearest difference is update cadence: RhythmX at fortnightly against EveLock's every 8 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.

RhythmX ships an update fortnightly, EveLock every 8 months. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | RhythmX | EveLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rhythmx-period-tracker/id6740507389/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 8 months |
| Monetization | Free | — |
| Size | 2 MB | 8 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 12+ |
| Developer | [ShapeHaven Innovations LLC](https://appshunter.io/developer/1747127977) | [Sasa Milat](https://appshunter.io/developer/1844594058) |

## What reviewers say

### RhythmX

[App page](https://appshunter.io/ios/app/rhythmx-period-tracker/id6740507389)

This app helps you understand your menstrual cycle with a focus on privacy and simplicity. It offers educational insights into cycle phases, custom tracking, and easy data management, all stored locally on your device.

**Highlights:** Educational cycle phase insights, Customizable symptom and mood tracking, Editable calendar views, Data archiving and pattern review, Tag search for insights, Open-source code

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

**In-app purchases:** none


### EveLock

[App page](https://appshunter.io/ios/app/evelock/id6753711566)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RhythmX free?

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

### Is EveLock free?

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

### Do RhythmX or EveLock have ads?

Neither RhythmX nor EveLock shows ads.

### Which is updated more often, RhythmX or EveLock?

RhythmX ships an update fortnightly, and EveLock every 8 months. Most recently, RhythmX was updated on October 21, 2026 and EveLock on October 4, 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.*