Comparison

CycleLux vs PUPU Diary

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

Head to head
About

CycleLux

Features
Read full description

CycleLux is a private period tracker designed to make cycle tracking feel simple, clear, and low-stress. Use CycleLux to: log periods and cycle dates track symptoms, moods, energy, and flow get reminders for upcoming periods notice patterns over time keep your personal cycle data organized in one place CycleLux is designed for everyday tracking and self-awareness. It is not a diagnostic or treatment app and should not replace medical advice.

About

PUPU Diary

Features
Read full description

PUPU is the digestive health tracker that connects what you eat to how you go. From fork to flush, PUPU gives you a complete picture of your gut health — powered by AI analysis. • Smart Bowel Movement Recording Record your bowel movements with PUPU's unique stage-based timer. Track pushing, pooping, and pause phases with haptic feedback. Log color, consistency, and other features with a single tap. Attach photos for more detailed AI analysis. • Effortless Food Tracking Log meals by voice, photo, or text. Speak your meal and let on-device speech recognition do the work. Snap a photo and AI identifies what you ate. Track breakfast, lunch, dinner, and snacks throughout the day. • AI-Powered Health Insights PUPU's AI connects the dots between your meals and bowel movements. Get personalized analysis that explains what's working and what might be causing issues. Receive weekly health reports with actionable suggestions tailored to your digestive patterns. • Trends & Charts See your digestive health at a glance with beautiful trend charts. Track movements per day, average duration, and most common features over time. Spot patterns you might otherwise miss. • Your Data, Your Choice Choose iCloud sync to access your records across all your Apple devices, or keep everything stored locally on your device. Switch between modes at any time — your data is always under your control. Export everything as CSV whenever you want. • Privacy First No accounts, no tracking, no ads. Your health data is never sold or shared. AI analysis is processed on demand and never stored on our servers. Voice recognition happens entirely on your device. • Designed to Delight A warm, pastel design that makes tracking your digestive health feel approachable, not clinical. Gentle haptic feedback, smooth animations, and thoughtful touches throughout. PUPU Pro unlocks AI analysis, weekly reports, and voice & photo food entry. Basic tracking is free forever.

Screenshots

CycleLux3 screens
PUPU Diary4 screens

Verdict

The call

CycleLux and PUPU Diary are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
CycleLux versus PUPU Diary: the parameters behind the verdict, then further details
ParameterCycleLuxPUPU Diary
PriceFreeFree
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS18.017.0 — better
Further details — not scored
Size2 MB3 MB
Age rating4+12+
DeveloperPalash OswalHaipeng Yan

In-app purchases

None

CycleLux

No in-app purchases

None

PUPU Diary

No in-app purchases

Questions

Is CycleLux free?
CycleLux is free to download, with no in-app purchases.
Is PUPU Diary free?
PUPU Diary is free to download, with no in-app purchases.
Do CycleLux or PUPU Diary have ads?
Neither CycleLux nor PUPU Diary shows ads.

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