Software · head to head
AI21 Labs vs Structured
The short version
- Each has a real cost: AI21 Labs the free allowance is $10 of credit lasting 7 days rather than an ongoing free tier; Structured no monthly view available, only daily and weekly views, limiting ability to preview long-term schedules
- They diverge on capability: AI21 Labs covers Jamba models, Structured covers Visual timeline.
Where they differ
Only the attributes on which AI21 Labs and Structured actually diverge.
| Attribute | AI21 Labs | Structured |
|---|---|---|
| Pricing model | usage-based | Unknown |
| Platforms | Api, Cloud | iOS, iPadOS, macOS, Android, Web, Apple Watch |
| Founded | 2017 | 2020 |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in AI21 Labs
- Jamba models
- Long context
- RAG engine
- Writing tools
- REST API
- Amazon Bedrock
- Cloud platforms
- Api support
Only in Structured
- Visual timeline
- Time blocking
- Calendar integration
- Widgets
- Recurring tasks
- Apple Calendar
- Google Calendar
- Apple Reminders
What people use each for
The jobs each tool is most often brought in to do.
AI21 Labs
- Running long-context tasks on the Jamba model familynot Structured
- Building and optimising production AI agents with Maestronot Structured
- Routing between models to control cost and accuracynot Structured
- Long-horizon agentic tasks needing stateful workspacesnot Structured
Structured
- Productivitynot AI21 Labs
- Collaborationnot AI21 Labs
- Task managementnot AI21 Labs
- Organizationnot AI21 Labs
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
AI21 Labs
- The free allowance is $10 of credit lasting 7 days rather than an ongoing free tier
- Jamba Large is $2 per million input tokens and $8 per million output, so output-heavy work costs four times as much as input
- Volume discounts, private cloud hosting and higher rate limits require a custom plan
- Standard rate limits are not published
Structured
- No monthly view available, only daily and weekly views, limiting ability to preview long-term schedules
- Cannot export to Excel, PDF, or other printable formats; only JSON export available on Apple devices
- Calendar import requires Pro subscription (except on web where free import is available)
- Android and web versions significantly lag behind iOS version in features and performance
- One-way calendar sync only; cannot export Structured tasks back to Google Calendar or other external calendar apps
Pricing, plan by plan
AI21 Labs
Free- Free TrialFree
- Limited usage
- API access
- Jamba$0.2/per-million-input-tokens
- 256K context
- Hybrid architecture
Structured
Free- FreeFree
- Timeline tasks and all-day tasks
- Task subtasks and notes
- Icons and color coding
- Pro$null/month or year or lifetime
- Structured AI for smart planning
- Calendar and reminders import
- Recurring tasks
Which should you pick?
Choose AI21 Labs if
- You need jamba models.
- You want to start without paying.
- You work on Api, Cloud.
- You also want long context.
Choose Structured if
- You need visual timeline.
- You want to start without paying.
- You work on iOS, iPadOS, macOS, Android, Web, Apple Watch.
- You also want time blocking.
Questions people ask
- Is AI21 Labs or Structured better?
- Neither clearly leads. AI21 Labs starts at Free and Structured at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, AI21 Labs or Structured?
- AI21 Labs starts at Free and Structured at Free.
- Does AI21 Labs or Structured run on more platforms?
- AI21 Labs runs on Api, Cloud. Structured runs on iOS, iPadOS, macOS, Android, Web, Apple Watch.
- Can I use AI21 Labs for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is AI21 Labs best used for?
- AI21 Labs is most often used for running long-context tasks on the jamba model family, building and optimising production ai agents with maestro, routing between models to control cost and accuracy, long-horizon agentic tasks needing stateful workspaces. Of those, running long-context tasks on the jamba model family and building and optimising production ai agents with maestro are not what Structured is typically brought in for.
- What can AI21 Labs do that Structured cannot?
- AI21 Labs covers Jamba models, Long context, RAG engine, Writing tools. Structured covers Visual timeline, Time blocking, Calendar integration, Widgets.
Answered from the vendors’ own pages
Structured: Is Structured free to use?
Yes, Structured has a free tier that includes timeline tasks, all-day tasks, inbox tasks, subtasks, notes, icons, color coding, drag and drop, and calendar import on web (though calendar import requires Pro on iOS/Android). The app is free to download on iOS, Android, Mac, and web.
SourceStructured: What does Structured Pro cost and what features does it add?
Structured Pro is available as a monthly or yearly subscription, or as a one-time lifetime purchase for $99.99 USD. Pro adds Structured AI, calendar import and reminders import (on iOS/Android), recurring tasks, replan functionality, custom notifications, and custom color palettes.
SourceStructured: Can I import my Google Calendar into Structured?
Yes, Structured supports importing calendars from Google Calendar, Outlook, Microsoft Exchange, Yahoo, and AOL. On iOS, it connects through Apple Calendar compatibility. On Android and web, you authenticate with your Google account and select which calendars to sync. This feature requires a Structured Pro subscription.
SourceStructured: Can I export my tasks from Structured and in what formats?
On Apple devices, you can export your data as a JSON file through Settings > About > Privacy & Permissions > Export Your Data. However, you cannot export tasks to external calendars, nor can you export to printable formats like Excel or PDF. Export is one-way only.
SourceStructured: Does Structured work across all my devices?
Yes, Structured syncs across iPhone, iPad, Mac, Apple Watch, and Android devices. However, users have reported that iCloud synchronization can be unreliable, and the Android and web versions have fewer features and slower performance compared to the iOS version.
SourceStructured: What calendar and reminder apps does Structured integrate with?
On iOS, Structured can import from Apple Calendar, Reminders, Google Calendar, Outlook, Microsoft Exchange, Yahoo, and AOL. On Android and web, it supports Google Calendar. Structured can import events and reminders, but cannot export tasks back to external calendars.
SourceRelated pages
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