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Databases · head to head

Firestore vs IAR Embedded Workbench

Firestore logo

Firestore

Databases

Flexible, scalable NoSQL cloud database from Firebase

From
Free
Free plan
Yes
Visit FirestoreFull review
IAR Embedded Workbench logo

IAR Embedded Workbench

Developer Tools

Complete toolchain for embedded software development

From
On request
Free plan
No
Visit IAR Embedded WorkbenchFull review

The short version

  • Firestore is free; IAR Embedded Workbench prices on request.
  • Where Firestore falls short: the no-cost Spark plan caps Standard edition at 50,000 document reads, 20,000 writes and 20,000 deletes per day.
  • Where IAR Embedded Workbench falls short: no pricing information published on product page; prospective customers directed to free trial or sales contact only.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Firestore and IAR Embedded Workbench actually diverge.

Attributes where Firestore and IAR Embedded Workbench differ
AttributeFirestoreIAR Embedded Workbench
Starting priceFreeOn request
Pricing modelFreemiumQuote
Free tierYesNo
PlatformsWeb, iOS, Android, FlutterWeb
CategoryDatabasesDeveloper Tools

Not yet recorded: founded for IAR Embedded Workbench.

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 Firestore

  • Document Model
  • Real-time Updates
  • Offline Support
  • ACID Transactions
  • Expressive Queries
  • Multi-region
  • Security Rules
  • Firebase Auth

Only in IAR Embedded Workbench

Nothing recorded that Firestore does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Firestore

  • Storing structured application data with realtime listenersnot IAR Embedded Workbench
  • Backing mobile and web apps with a serverless document databasenot IAR Embedded Workbench
  • Building offline first apps that sync when connectivity returnsnot IAR Embedded Workbench

IAR Embedded Workbench

  • Embedded software development and debuggingnot Firestore
  • Compiler and linker tools for embedded systemsnot Firestore
  • Multi-architecture embedded development supportnot Firestore

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Firestore

  • The no-cost Spark plan caps Standard edition at 50,000 document reads, 20,000 writes and 20,000 deletes per day
  • The Spark plan caps storage at 1 GiB and network egress at 10 GiB per month
  • Charging is per document read, so a query returning many documents bills for every one of them
  • Going beyond the free thresholds requires the pay as you go Blaze plan billed at Google Cloud rates with no fixed monthly ceiling

IAR Embedded Workbench

  • No pricing information published on product page; prospective customers directed to free trial or sales contact only
  • Pricing model not specified; customers must request quote or try free trial to understand licensing costs
  • Embedded development tools typically require expensive licenses, but specific IAR costs unavailable online

Pricing, plan by plan

Firestore

Free
  • SparkFree
    • 1GB storage
    • 50K reads/day
    • 20K writes/day
  • BlazeFree
    • Pay as you go
    • Unlimited operations
    • Multi-region

IAR Embedded Workbench

On request

No published plan breakdown. See the IAR Embedded Workbench review.

Which should you pick?

Choose Firestore if

  • You need document model.
  • You want to start without paying.
  • You work on Web, iOS, Android, Flutter.
  • You also want real-time updates.
Firestore review

Choose IAR Embedded Workbench if

Nothing in the data separates IAR Embedded Workbench from Firestore on the points above - pick on price and on how each one feels to use.

IAR Embedded Workbench review

Questions people ask

Is Firestore or IAR Embedded Workbench better?
Neither clearly leads. Firestore starts at Free and IAR Embedded Workbench at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Firestore or IAR Embedded Workbench?
Firestore has a free tier; the other does not. Paid plans start at Free for Firestore and On request for IAR Embedded Workbench.
Does Firestore or IAR Embedded Workbench run on more platforms?
Firestore runs on Web, iOS, Android, Flutter. IAR Embedded Workbench runs on Web.
Can I use Firestore for free?
Yes. Firestore has a free tier, so you can try it without paying. IAR Embedded Workbench starts at On request.
What is Firestore best used for?
Firestore is most often used for storing structured application data with realtime listeners, backing mobile and web apps with a serverless document database, building offline first apps that sync when connectivity returns. Of those, storing structured application data with realtime listeners and backing mobile and web apps with a serverless document database are not what IAR Embedded Workbench is typically brought in for.
What can Firestore do that IAR Embedded Workbench cannot?
Firestore covers Document Model, Real-time Updates, Offline Support, ACID Transactions.

Answered from the vendors’ own pages

Firestore: What are the free limits on Cloud Firestore?

The Spark Plan includes 1 GiB of stored data, 50,000 reads per day, 20,000 writes per day, and 20,000 deletes per day at no cost.

Source
IAR Embedded Workbench: How much does IAR Embedded Workbench cost?

IAR Embedded Workbench pricing is not published on the product page. Prospective customers are directed to free trials or must contact the sales team to request pricing.

Source
Firestore: What happens when I exceed the Spark Plan free tier?

Exceeding the free tier requires upgrading to the Blaze Plan, which bills based on actual usage through Google Cloud pricing. Charges apply for reads, writes, deletes, and data storage.

Source
IAR Embedded Workbench: Does IAR Embedded Workbench offer a free trial?

Free trials are available for IAR Embedded Workbench evaluation at https://www.iar.com/embedded-development-tools/free-trials, though specific trial length and limitations are not detailed on the product page.

Source
Firestore: Can I use Firestore without a credit card?

Yes, you can use the Spark Plan indefinitely without a credit card. To use the Blaze Plan (pay-as-you-go), a credit card is required.

Source
IAR Embedded Workbench: What is the pricing model for IAR Embedded Workbench?

The pricing model is not disclosed on the product page. Customers must contact the sales team to obtain quotes and understand licensing terms.

Source
Firestore: Is there a trial period for Cloud Firestore?

No trial period is specified. The Spark Plan free tier serves as the trial, with no time limit.

Source
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