Database & Data Management · head to head
ClickHouse vs Things 3

ClickHouse
Database & Data Management
Fast open-source column-oriented database for real-time analytics
- From
- Free
- Rated
- -

Things 3
Productivity
The award-winning personal task manager
- From
- $9.99/one-time
- Rated
- -
The short version
- Only ClickHouse has a free tier, so it costs nothing to try first.
- Each has a real cost: ClickHouse limited multi-row atomic transactions and expensive UPDATE/DELETE operations unsuitable for transactional systems; Things 3 no team collaboration, task sharing, or task assignment features
- They diverge on capability: ClickHouse covers Column-oriented Storage, Things 3 covers Today view.
Where they differ
Only the attributes on which ClickHouse and Things 3 actually diverge.
| Attribute | ClickHouse | Things 3 |
|---|---|---|
| Starting price | Free | $9.99/one-time |
| Free tier | Yes | No |
| Platforms | Linux, macOS, Windows (via Docker) | macOS, iOS, iPadOS, watchOS, visionOS |
| Category | Database & Data Management | Productivity |
| Founded | 2021 | 2004 |
Identical on both: pricing model (Unknown), user rating (Not yet rated).
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 ClickHouse
- Column-oriented Storage
- Real-time Analytics
- SQL Support
- Linear Scalability
- Data Compression
- Vectorized Query Execution
- Approximate Calculations
- Kafka
Only in Things 3
- Today view
- Projects and areas
- Quick entry
- Tags
- Calendar integration
- Apple Calendar
- Siri
- Shortcuts
What people use each for
The jobs each tool is most often brought in to do.
ClickHouse
- Business intelligencenot Things 3
- Data warehousingnot Things 3
- Real-time analyticsnot Things 3
- Reportingnot Things 3
- Machine learningnot Things 3
Things 3
- Schedulingnot ClickHouse
- Appointment bookingnot ClickHouse
- Time trackingnot ClickHouse
- Resource managementnot ClickHouse
- Team coordinationnot ClickHouse
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
ClickHouse
- Limited multi-row atomic transactions and expensive UPDATE/DELETE operations unsuitable for transactional systems
- Requires upfront schema design discipline with MergeTree engine choices and sort/partition keys
- Experimental vector search support, not production-ready for vector operations
- Different query syntax from standard SQL requiring migration planning
- Limited JOIN capabilities compared to traditional relational databases
- Migration complexity with 2-4 weeks estimated for data type mapping and query translation
Things 3
- No team collaboration, task sharing, or task assignment features
- Apple ecosystem only, with no Windows, Android, or web version
- No third-party app integrations beyond Apple's ecosystem
- Cannot attach files or images to tasks, only text notes
- No time blocking or calendar integration for scheduling tasks into specific time slots
Pricing, plan by plan
ClickHouse
FreeNo published plan breakdown. See the ClickHouse review.
Things 3
$9.99/one-time- iPhone/Watch$9.99/one-time
- iPad$19.99/one-time
- Mac$49.99/one-time
Which should you pick?
Choose ClickHouse if
- You need column-oriented storage.
- You want to start without paying.
- You work on Linux, macOS, Windows (via Docker).
- You also want real-time analytics.
Choose Things 3 if
- You need today view.
- You work on macOS, iOS, iPadOS, watchOS, visionOS.
- You also want projects and areas.
Questions people ask
- Is ClickHouse or Things 3 better?
- Neither clearly leads. ClickHouse starts at Free and Things 3 at $9.99/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ClickHouse or Things 3?
- ClickHouse has a free tier; the other does not. Paid plans start at Free for ClickHouse and $9.99/one-time for Things 3.
- Does ClickHouse or Things 3 run on more platforms?
- ClickHouse runs on Linux, macOS, Windows (via Docker). Things 3 runs on macOS, iOS, iPadOS, watchOS, visionOS.
- Can I use ClickHouse for free?
- Yes. ClickHouse has a free tier, so you can try it without paying. Things 3 starts at $9.99/one-time.
- What is ClickHouse best used for?
- ClickHouse is most often used for business intelligence, data warehousing, real-time analytics, reporting. Of those, business intelligence and data warehousing are not what Things 3 is typically brought in for.
- What can ClickHouse do that Things 3 cannot?
- ClickHouse covers Column-oriented Storage, Real-time Analytics, SQL Support, Linear Scalability. Things 3 covers Today view, Projects and areas, Quick entry, Tags.
Answered from the vendors’ own pages
ClickHouse: What is ClickHouse best used for?
ClickHouse is optimized for analytical workloads on large datasets. It excels at fast aggregations and queries, being 10-100x faster than PostgreSQL on large aggregations.
SourceThings 3: Does Things 3 support team collaboration?
No. Things 3 is designed for individual use only with no task sharing, team workspaces, task assignment, or commenting features.
SourceClickHouse: Does ClickHouse support transactions?
ClickHouse has limited transaction support and expensive UPDATE/DELETE operations. It is not suitable for transactional workloads requiring strict ACID guarantees.
SourceThings 3: What platforms does Things 3 run on?
Things 3 is exclusive to Apple devices: macOS, iOS, iPadOS, watchOS, and visionOS. There is no Windows, Android, or web version.
SourceClickHouse: How does ClickHouse compare to PostgreSQL?
ClickHouse is 10-100x faster for analytics but PostgreSQL is better for transactional workloads. Many teams use both: PostgreSQL for writes via MaterializedPostgreSQL replication to ClickHouse for analytics.
SourceThings 3: How much does Things 3 cost?
Things 3 uses a one-time purchase model: $9.99 for iPhone/Watch, $19.99 for iPad, and $49.99 for Mac. Total cost for all platforms is approximately $80 with no subscription required.
SourceThings 3: Does Things 3 sync across devices?
Yes. Things Cloud keeps your to-dos in sync across all your Apple devices automatically. There is no extra cost for cloud synchronization.
SourceThings 3: Can you attach files or images to tasks in Things 3?
No. Things 3 does not support attachments. You can only add notes (text) to tasks.
SourceRelated pages
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- Things 3 vs Cockroach Labs
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- Things 3 vs Airtable
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- Things 3 vs Elasticsearch
- Things 3 vs PlanetScale
- Things 3 vs Azure SQL
- Things 3 vs Couchbase
- Things 3 vs DuckDB
- Things 3 vs DynamoDB
- Things 3 vs MariaDB
- Things 3 vs Oracle Database
- Things 3 vs Amazon RDS
- Things 3 vs Amazon Redshift
- Things 3 vs Apache Druid
- Things 3 vs Cassandra
- Things 3 vs CouchDB
- Things 3 vs Firebolt
- Things 3 vs Todoist
- Things 3 vs OmniFocus 3
- Things 3 vs Brain.fm
- Things 3 vs TickTick
- Things 3 vs Akiflow
- Things 3 vs Any.do
- Things 3 vs Focus@Will
- Things 3 vs Forest
- Things 3 vs Google Workspace
- Things 3 vs Hubstaff
- Things 3 vs Remember The Milk
- Things 3 vs Structured
- Things 3 vs Tana
- Things 3 vs Time Doctor
- Things 3 vs 7-Zip
- Things 3 vs Bear
- Things 3 vs Bear Notes
- Things 3 vs BoldSign
