Comparison

Mayday Memory vs Devil's Propose

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

Head to head
About

Mayday Memory

Embark on a mystery in a cyberpunk future where memories can be bought and sold. Play as a detective who has lost her own memories and solve a complex case while navigating relationships with a cast of quirky characters.

Highlights
  • Interactive otome visual novel
  • Solve mysteries and uncover plot twists
  • Develop relationships with unique characters
  • Experience comedy, suspense, and action
  • Collect beautiful ending illustrations
  • Gift items to characters
  • Save memories and diary entries
Features
Read full description

[Plot Summary] Year of 2099, a time where people can buy and sell memories. [Vigil], the PI office that never sleeps, gets a big case! Play as the office's youngest member ""Dell"", who lost her memories and try to solve the case! The sharp-tongued main character “Dell,” The superstar with a screw loose “Ain,” The reckless colleague “Syd,” The stingy freelancer “Hansol,” The idiot chief “Jeff,” And the world's laziest rabbit robot “Mode”! The kind of weird, and somewhat lacking, but strangely lovable 6 main characters with explosive chemistry! To you who will complete our precious memories, Mayday, Mayday! [Game Introduction] The sixth game from Storytaco, the creators of 'Dangerous Fellows'! Mayday Memory! A new interactive female-oriented story game filled with unique problems and twists. Experience the special stories unique to LucyDream games, that sets it apart from other visual novels! Memory loss, mystery, comedy, detectives, cyber punk, shocking plot twists, memory loss, drama, and of course romance! An expansive story that lets you be who you wanna be! [Game Features] :: Away with only romance! Comedy, Suspense, Action, experience it all! Interactive otome visual novel, the game that tops it all! :: No side-kicks! The character you choose is the real main character! Touching character stories and beautiful ending illustrations are waiting for you! :: Give him gifts! Maybe... You get to see a different side of him…??? :: Do everything by spending energy! Your character is not a maid, no need for burdensome clothes! By only spending energy you can enjoy the story all the way to the endings! :: Memories and a diary that get neatly saved as you progress the episode!! ■ Notice about phone permissions The following services will need additional permissions when using the app. [Optional Permissions] - Storage (Pictures, Media, Files) : For saving illustrations on your device [Retracting Permissions] Options > Privacy > Choose permission > Choose app > Allow or Deny Permission

About

Devil's Propose

Experience a dark romance fantasy where an orphan's soul is promised to devils. Make choices that shape your destiny as you navigate a world of crime and seduction with alluring demonic characters. Your decisions determine the story's outcome.

Highlights
  • Interactive storyline
  • Dark romance fantasy genre
  • Adult themes
  • Player choice impacts ending
  • Seductive characters
  • Multiple devil characters
Features
Read full description

▶ Storyline ◀ When opened my eyes… Everything I knew was changedㅡ. Born an orphan, Seri struggled to survive, As it turned out, the father whom she thought was dead, had promised her soul to devils, in exchange for unlimited wealth, Each one of the devils demanded Seri to be their bride.... As she slowly starts to fall into the hands of these devils, she's pulled into crimes, will this be her end or a brand new start? ◎ A genuine dark romance fantasy for adults The ending is in your hands. A pinch of arrogance, boldness and at times, a spoonful of erotism. Become part of the story. ◎ Attractive and seductive characters Aggressive and majestic, the devil of Superbia (doom and power) [Ruan] Sweet yet cold, the devil of Gula (infinite wealth and avarice)[Baro] Gentle yet passionate, the devil of Luxuria (lust and pleasures) [Ah-in] And the man that tries to save Seri [Teo] ▶ Official Community ◀ - Official Twitter: https://twitter.com/DevilsPropose - Official Café: https://cafe.naver.com/studiolumiere [ Mandatory Terms ] 1. Device Photos, media, file Access If your device doesn't have enough storage space, it will utilize the available space in photo, media and file folders. ※ After you have agreed to its access rights, these rights will not be revoked unless the app is deleted. Developer Contact Information: +82 07-4152-5094 Address: Office #409, 46, Gasan digital 2-ro, Geumcheon-gu, Seoul, Republic of Korea Email us: help@studio-lumiere.com

Screenshots

Mayday Memory4 screens
Devil's Propose4 screens

Verdict

The call

The clearest difference is ads: Mayday Memory at none against Devil's Propose's shown. Mayday Memory also leads on review sentiment (80% vs 63%). Devil's Propose's advantage is update cadence (every 8 days vs every 2 months) and iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and in-app purchases 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 Memory sells 11 one-off in-app purchases and Devil's Propose sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Mayday Memory against 4.7 for Devil's Propose. Both are backed by a comparable volume of ratings — 982 and 364 respectively. Written reviews are what separate them: 80% of Mayday Memory's written reviews are positive against 63% of Devil's Propose's.

UpkeepUpdate frequency

Mayday Memory ships an update every 2 months, Devil's Propose every 8 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Mayday Memory versus Devil's Propose: the parameters behind the verdict, then further details
ParameterMayday MemoryDevil's Propose
PriceFreeFree
Rating4.6 (982 ratings)4.7 (364 ratings) — better
Positive reviews79.9% of reviews — better62.5% of reviews
Number of ratings982 — better364
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size212 MB243 MB
Age rating9+12+
DeveloperSKYWALKLumiere Entertainment Inc.

Customer experience

Mayday Memory

All ratings982 ratings
Positive91.5%
Neutral4.5%
Negative4.0%
Written reviews289 reviews
Positive79.9%
Neutral10.4%
Negative9.7%

Devil's Propose

All ratings364 ratings
Positive92.3%
Neutral3.6%
Negative4.1%
Written reviews24 reviews
Positive62.5%
Neutral16.7%
Negative20.8%

User reviews

Mayday Memory

From 982 App Store ratings

What we love

  • 💕 Interesting storyline and characters
  • 🎨 Beautiful art and visuals
  • 🤩 Engaging and humorous dialogue
  • 👍 Likable main character
  • 💰 Reasonable pricing/free-to-play model

Room to improve

  • ⏰ Slow energy regeneration
  • 💸 Expensive choices and chapter unlocks
  • 📺 Excessive ads
  • 🤔 Confusing or limited progression mechanics
  • 🔍 Frustrating investigation/choice system

Devil's Propose

From 364 App Store ratings

What we love

  • 👍 Good story and characters
  • 👍 Interesting plot and mystery
  • 👍 Likable protagonist (not naive)
  • 👍 Good character designs
  • 👍 Beautiful art design

Room to improve

  • 💰 High cost for progression
  • 💰 Pay-to-win mechanics
  • 💰 Expensive in-app purchases
  • 💰 Need to pay for choices
  • 💰 Energy costs increase quickly

Bugs and requests

Mayday Memory

Reported bugs

3 issues
  • Crashes or freezes on certain devices/episodes
  • Rewards not being properly awarded after watching ads
  • Saved progress not carrying over between devices

Requested features

4 requests
  • Ability to reset/replay the story from the beginning
  • More love interest routes, especially for side characters
  • Improved energy/currency system to reduce grind
  • Longer or more satisfying story endings

Devil's Propose

Reported bugs

5 issues
  • In-app purchases not working
  • Ads for free gems not working
  • Daily energy not being received
  • Failed to load pop-up
  • Energy not loading

Requested features

6 requests
  • Faster energy regeneration
  • Lower chapter costs
  • More romantic moments
  • More activities besides reading
  • Ability to change MC design
Show 1 more
  • Portuguese language option

In-app purchases

11 purchases

Mayday Memory

One-time11
  • 1,690 Gems$0.99
  • Double-up Gems$0.99
  • Daily Energy$0.99
Show 8 more
  • Energy Upgrade Lv.2$1.99
  • Gleaming Syd Gift Box$1.99
  • Gleaming Hansol Gift Box$1.99
  • 6,050 Gems$2.99
  • New Employee Package!$2.99
  • Remove Ads$4.99
  • 18,600 Gems$8.99
  • Full Energy Upgrade$11.99
11 purchases

Devil's Propose

One-time11
  • 100 Diamonds$0.99
  • 150 Energy$0.99
  • 100 Energy$0.99
Show 8 more
  • 1+1 Diamonds Package$0.99
  • 300 Diamonds$1.99
  • 300+15 Diamonds$1.99
  • First Present Package$1.99
  • Expand Energy Ticket$3.99
  • 500 Diamonds$3.99
  • Devil's Bride Package$3.99
  • Starter Package$8.99

Questions

Is Mayday Memory free?
Mayday Memory is free to download, with in-app purchases available.
Is Devil's Propose free?
Devil's Propose is free to download, with in-app purchases available.
Which has better reviews, Mayday Memory or Devil's Propose?
Devil's Propose is rated higher. Mayday Memory averages 4.6 out of 5 from 982 ratings, while Devil's Propose averages 4.7 from 364 ratings.
Do Mayday Memory or Devil's Propose have ads?
Devil's Propose shows ads; Mayday Memory does not.
Which is updated more often, Mayday Memory or Devil's Propose?
Mayday Memory ships an update every 2 months, and Devil's Propose every 8 days. Most recently, Mayday Memory was updated on September 19, 2026 and Devil's Propose on September 20, 2026.

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