# Cycle Cipher vs Endurance Debrief

The clearest difference is price: Cycle Cipher at Free against Endurance Debrief's $3.99. Endurance Debrief's advantage is in-app purchases (none vs 4) and update cadence (every 3 days vs fortnightly). On ads, device support and iOS requirement there is nothing between them.

Cycle Cipher is free to download; Endurance Debrief costs $3.99 up front. Cycle Cipher sells 4 one-off in-app purchases. Endurance Debrief asks for nothing beyond the download.

Cycle Cipher ships an update fortnightly, Endurance Debrief every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cycle Cipher | Endurance Debrief |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | **Free** | Paid |
| Size | 4 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) | [Alexander Eichelbaum](https://appshunter.io/developer/6784980838) |

## What reviewers say

### Cycle Cipher

[App page](https://appshunter.io/ios/app/cycle-cipher/id6767546105)

Track your menstrual cycle and health details privately on your device. Log symptoms, moods, and personal health history without creating an account or seeing ads. Secure your data with optional PIN protection and create encrypted backups.

**Highlights:** Local-first data storage, Account-free tracking, Log period flow, symptoms, and moods, Calendar view of cycle history, Optional PIN and device authentication, Password-encrypted backups, On-device reminders

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $2.99 | one-time |
| Generous Tip | $5.99 | one-time |


### Endurance Debrief

[App page](https://appshunter.io/ios/app/endurance-debrief/id6784980836)

Analyze your cycling and running workouts with detailed metrics like Training Stress Score and form trends. Get honest feedback on your performance and current fitness level, all processed locally on your device without accounts or subscriptions.

**Highlights:** Training Stress Score (TSS) analysis, Form curve (CTL/ATL/TSB), Local data processing, FIT, TCX, GPX file import, Apple Health integration, VO₂max trend estimation, No account or subscription needed

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

**In-app purchases:** none


## Frequently asked questions

### Is Cycle Cipher free?

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

### Is Endurance Debrief free?

Endurance Debrief costs $3.99, with no in-app purchases.

### Do Cycle Cipher or Endurance Debrief have ads?

Neither Cycle Cipher nor Endurance Debrief shows ads.

### Which is updated more often, Cycle Cipher or Endurance Debrief?

Cycle Cipher ships an update fortnightly, and Endurance Debrief every 3 days. Most recently, Cycle Cipher was updated on October 25, 2026 and Endurance Debrief on October 24, 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.*