Comparison

Twos vs M91

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

Head to head
About

Twos

Quickly capture notes, to-dos, reminders, and lists in one place. Access your information across all your devices, even offline. Enhanced features are available through an optional subscription.

Highlights
  • Quick note and list creation
  • Cross-device syncing
  • Offline access
  • Repeat and location-based reminders
  • Rich text formatting
  • Collaborative list sharing
  • AI-powered search
Features
Read full description

Twos is the quickest place to write things down. Write a thing in seconds, then find it the moment you need it. Notes, to-dos, reminders, events, and lists all live in one simple place, synced to every device you use. • Write a thing in seconds from the app, a widget, or Siri • Save what's on your screen by saying "Save this to Twos" • Unfinished to-dos roll over to today on their own • Ask Twos Chat anything you've written, even months later • Reminders that repeat, follow your location, and sync with your calendar • Rich text: bold, italics, headings, code, and longer notes • Share a list and write it together, live • Bring in what you read from Instapaper, Readwise, Kindle, and Apple Books • Search everything you've ever written, instantly • Works offline and syncs when you're back • Use Twos on iPhone, iPad, Mac, Apple Watch, and the web Twos is free for life, with no limit on how much you write. Twos Plus adds templates, archive, week view, customization, unlimited AI chat, and more, across every device you use. Write down things that matter. Privacy policy: https://www.TwosApp.com/privacy Terms of service: https://www.TwosApp.com/terms

About

M91

Features
Read full description

TO MAKE ALERTING EASY Use M91 to turn any event, condition, or reminder that needs human attention into a clear, actionable alert. By Defining what needs attention, who needs to know, and how you want it handled. M91 takes care of delivering the alert to the right people and keeping track of what happens next. Use M91 whenever something needs a person's attention. You Can use M91 for various usecases: z • Health Alerts Alert caregivers or responsible people when a health-sensing system detects an important condition. • Operations Alerts Reach the right people when a service, application, or device needs attention. • Security Alerts Alert responsible people when an unauthorized entry or security event occurs. • Safety Alerts Reach people when a connected system detects a dangerous condition. • Business Alerts Notify the right people when an important event requires action. • Reminders Notify people when something needs to be completed, checked, approved, or acknowledged. AND MANY MORE. REACH THE RIGHT PEOPLE Send alerts to one person or multiple people at the same time using registered phone numbers. CHOOSE HOW THEY ARE ALERTED Choose the notification method and urgency that fits the alert, including regular notifications, urgent delivery, and configured phone-call escalation. DEFINE THE RESPONSE Give recipients simple choices based on what the alert requires. For example: "Approve" "Reject" "I'm handling it" "Already completed" A response can affect only that recipient or the alert for everyone receiving it. YOU DEFINE. M91 DELIVERS. M91 MANAGES. Tell M91 what needs attention, who needs to know, and how it should be handled. M91 delivers the alert, reaches the right people, records their responses, and manages the alert until it is handled, closed, or expires. From a simple reminder to an important health, safety, security, or system alert, use M91 whenever something needs human attention. M91 — Alerting made easy.

Screenshots

Twos4 screens
M914 screens

Verdict

The call

The clearest difference is in-app purchases: M91 at none against Twos's 27. Twos's advantage is update cadence (daily vs weekly). On price, ads, device support 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. Twos sells 27 in-app purchases, starting at $4.99 per month. M91 asks for nothing beyond the download.

UpkeepUpdate frequency

Twos ships an update daily, M91 weekly. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Twos versus M91: the parameters behind the verdict, then further details
ParameterTwosM91
PriceFreeFree
Rating4.8 (381 ratings) — better—
Positive reviews89.9% of reviews—
Number of ratings381 — better—
Update frequencyDaily — betterWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size152 MB30 MB
Age rating4+17+
DeveloperTwos Technologies IncorporatedWalkover Web Solutions Private Limited

Bugs and requests

Twos

Reported bugs

3 issues
  • Added events not showing in calendar view
  • Crashes and freezes on some devices
  • Issues with photo imports and attachments

Requested features

6 requests
  • Dark mode option
  • Kanban board view
  • Pomodoro timer integration
  • Better task duration and scheduling in calendar
  • Improved organization with folders and hierarchical structure
Show 1 more
  • Custom recurring task options

M91

Not enough reviews yet to summarise bugs or requests.

In-app purchases

27 purchases

Twos

Subscriptions6
  • Twos Plus Monthly7 Days trial$4.991 Month
  • Twos Believer Monthly$4.991 Month
  • Twos Champion Monthly$9.991 Month
Show 3 more
  • Twos Plus Yearly7 Days trial$39.991 Year
  • Twos Believer Yearly$44.991 Year
  • Twos Champion Yearly$83.991 Year
One-time21
  • Multiple Accounts$1.99
  • Sublists$1.99
  • Your week$1.99
Show 18 more
  • Hyperlinks$1.99
  • Alerts$1.99
  • Suggested Times$1.99
  • Bookmark colors$1.99
  • Tags$1.99
  • Highlight$1.99
  • Templates$1.99
  • AI$1.99
  • Reset list daily$1.99
  • Auto-sort$1.99
  • Custom font$1.99
  • Remove #BPTWTD$1.99
  • Time until$1.99
  • Headings$1.99
  • Focus$1.99
  • Sounds$1.99
  • Custom colors$1.99
  • Buy all$11.99
None

M91

No in-app purchases

Questions

Is Twos free?
Twos is free to download, with in-app purchases available.
Is M91 free?
M91 is free to download, with no in-app purchases.
Do Twos or M91 have ads?
Neither Twos nor M91 shows ads.
Which is updated more often, Twos or M91?
Twos ships an update daily, and M91 weekly. Most recently, Twos was updated on November 2, 2026 and M91 on October 28, 2026.

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