Comparison

CrimsonZip vs Myworkingmemory

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

Head to head
About

CrimsonZip

Features
Read full description

CrimsonZip simplifies connecting within the Harvard community. Discover new activities, stay fit, join groups, make friends, learn a new sport, and have fun —all in one place! Whether you’re looking to create a shared interest group that everyone at Harvard can join or a private group just for your close friends, this app gives you the tools to do so. Looking to start a weekly soccer game, or a walking group? Groups not your thing, but looking for a workout partner? What about organizing a movie night? CrimsonZip is designed to foster a vibrant community by making it easier than ever to organize, share, and participate in the activities that matter to you. Discover new interests and passions all within one convenient platform. Everything you need to stay connected to your favorite activities is right here and exclusively for Harvard community members with an active HarvardKey.

About

Myworkingmemory

This app offers cognitive training through three adjustable games, guided breathing exercises, and a daily planner to help you build mental stamina and consistency. It focuses on small, achievable wins to encourage self-belief and continuous effort.

Highlights
  • Three cognitive training games
  • Adjustable difficulty levels
  • Guided box breathing exercises
  • Morning–Afternoon–Evening planner
  • Self-written reminder system
  • Daily consistency tracking
Read full description

Build a working-memory practice around what you can hold today. Basic lets you choose one of three games for one shared training session each day: • Numbers: remember a sequence through a brief distraction • Colors: rebuild a visual sequence with shape cues as well as color • Words: recall a focused word list Choose optional in-app purchases to add: • Familiar games such as Match Pairs, Word Search, Trivia Quiz, Crossword, Bingo, Maze, and more • Themed worlds including soccer, football, baseball, cars, dogs, movie history, science, travel, and more • Box Breathing, My Anchors, and Planner, individually or together Owned games work with Basic content and every themed world you own. Every owned world includes four challenges using themed numbers, colors, words, facts, and sequences. My Games & Worlds keeps your selected content in one place. Invite a Friend makes sharing easy. Restore Purchases brings eligible purchases to another supported Apple device. Levels, practice history, planner entries, and anchors stay on your device. Myworkingmemory is a training and wellbeing tool. It does not diagnose, treat, or measure health. Terms of Use: https://www.myworkingmemory.ai/myworkingmemory-terms.html Privacy Policy: https://www.myworkingmemory.ai/myworkingmemory-privacy.html

Screenshots

Myworkingmemory4 screens

Verdict

The call

The clearest difference is in-app purchases: CrimsonZip at none against Myworkingmemory's 13. Myworkingmemory's advantage is update cadence (weekly vs every 3 weeks) and device support (4 vs 1). On price, ads and iOS requirement 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. Myworkingmemory sells 13 in-app purchases, starting at $1.49 per month. CrimsonZip asks for nothing beyond the download.

UpkeepUpdate frequency

CrimsonZip ships an update every 3 weeks, Myworkingmemory weekly. The most recent releases landed on October 30, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
CrimsonZip versus Myworkingmemory: the parameters behind the verdict, then further details
ParameterCrimsonZipMyworkingmemory
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad, Mac, Vision Pro — better
Requires iOS16.4 — better17.6
Further details — not scored
Size54 MB2 MB
Age rating4+4+
DeveloperHarvard UniversityMyworkingmemory LLC

In-app purchases

None

CrimsonZip

No in-app purchases

13 purchases

Myworkingmemory

Subscriptions3
  • Monthly7 Days trial$1.491 Month
  • Reduced$9.991 Year
  • Annual$19.991 Year
One-time10
  • History$0.99
  • Science$0.99
  • Nature$0.99
Show 7 more
  • Food$0.99
  • Travel$0.99
  • School Days$0.99
  • Workday$0.99
  • Home & Family$0.99
  • Words & Language$0.99
  • Mixed Challenge$0.99

Questions

Is CrimsonZip free?
CrimsonZip is free to download, with no in-app purchases.
Is Myworkingmemory free?
Myworkingmemory is free to download, with in-app purchases available.
Do CrimsonZip or Myworkingmemory have ads?
Neither CrimsonZip nor Myworkingmemory shows ads.
Which is updated more often, CrimsonZip or Myworkingmemory?
CrimsonZip ships an update every 3 weeks, and Myworkingmemory weekly. Most recently, CrimsonZip was updated on October 30, 2026 and Myworkingmemory on October 8, 2026.

Other comparisons