Comparison

Mayday vs Code Red

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mayday

This app offers simple period predictions for partners, providing essential information to be supportive and prepared. It avoids complex medical jargon, focusing on basic dates to estimate upcoming cycles and fertile windows. The goal is to help users stay in sync with minimal effort.

Highlights
  • Simple period predictions
  • Fertile window estimates
  • Supportive partner information
  • Minimal effort tracking
  • Avoids medical jargon
Features
Read full description

Period tracking made simple for boyfriends, husbands, and partners who want to show up better. No complicated charts or confusing medical terms — just the essential info you need to be supportive and prepared. Enter a few basic dates and Mayday handles the rest, predicting upcoming cycles, fertile windows, and mood shifts. WHY MEN USE MAYDAY • Know when PMS is coming — plan important moments with more empathy • Organize better date nights around her cycle • Get answers without awkward conversations — just check the app • Show up more empathetically, every month HOW IT WORKS 1. Enter her last period start date and average cycle length 2. Mayday predicts the next 3–6 cycles automatically 3. Get an overview of upcoming phases: period, fertile window, PMS 4. Use the info to be a better partner every single day SIMPLE BY DESIGN We believe being supportive shouldn't be complicated. No sign-up required, no account needed, no ads — your data stays private on your device. Note: Mayday provides rough predictions based on the dates you enter. For medical guidance, consult a healthcare professional. Terms of service: https://vocal.email/tos Privacy policy: https://vocal.email/pp

About

Code Red

This app helps partners understand and support each other through menstrual cycles. It provides simple reminders and phase-based tips to foster better communication and preparedness.

Highlights
  • Partner-friendly cycle tracking
  • 28-day cycle overview
  • Daily reminders and nudges
  • Phase-based survival tips
  • Do/don't guidance
  • Period and PMS awareness
Features
Read full description

Code Red is a fun cycle-tracking app made for partners who want to be more thoughtful, prepared, and supportive. Track your partner’s cycle, understand what phase they may be in, and get simple reminders so you can show up better — whether that means giving extra patience, planning ahead, bringing snacks, or knowing when to not take things personally. Code Red keeps things light, simple, and helpful. It’s not about overthinking every mood or moment. It’s about being more aware, more prepared, and a better partner. Features include: Partner-friendly cycle tracking 28-day cycle overview Daily reminders and helpful nudges Phase-based “survival tips” Do / don’t guidance Period and PMS awareness Couples sync coming soon Every cycle is different, but a little awareness can go a long way. Code Red helps partners stay ready, supportive, and maybe even earn a few bonus points. Subscription: Subscription automatically renews annually for $19.99 unless canceled at least 24 hours before the renewal date. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Mayday4 screens
Code Red4 screens

Verdict

The call

The clearest difference is rating: Code Red at 5.0 against Mayday's 3.9. Mayday's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (17 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Mayday sells 2 in-app purchases, starting at $7.00 per month and Code Red sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Code Red holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Mayday has 17 ratings behind it against 1, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
Mayday versus Code Red: the parameters behind the verdict, then further details
ParameterMaydayCode Red
PriceFreeFree
Rating3.9 (17 ratings)5.0 (1 ratings) — better
Positive reviews77.8% of reviews—
Number of ratings17 — better1
Update frequencyFortnightly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.5
Further details — not scored
Size83 MB9 MB
Age rating4+4+
DeveloperNathan GanserTalk or Not, Inc.

Customer experience

Mayday

All ratings17 ratings
Positive76.5%
Neutral5.9%
Negative17.6%
Written reviews9 reviews
Positive77.8%
Neutral11.1%
Negative11.1%

Code Red

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Mayday

Subscriptions2
  • Gold Monthly1 Month trial$7.001 Month
  • Gold Yearly1 Month trial$42.001 Year
1 purchases

Code Red

Subscriptions1
  • Annual Premium3 Days trial$19.991 Year

Questions

Is Mayday free?
Mayday is free to download, with in-app purchases available.
Is Code Red free?
Code Red is free to download, with in-app purchases available.
Which has better reviews, Mayday or Code Red?
Code Red is rated higher. Mayday averages 3.9 out of 5 from 17 ratings, while Code Red averages 5.0 from 1 ratings.
Do Mayday or Code Red have ads?
Neither Mayday nor Code Red shows ads.

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