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Mobile Development · head to head

Appcircle vs Firebase

Appcircle logo

Appcircle

Mobile Development

Mobile CI/CD platform for building, testing, and publishing apps

From
Free
Rated
-
Full reviewWebsite
Firebase logo

Firebase

Mobile Development

Google's platform for building web and mobile applications with cloud backend

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Appcircle the free Starter plan caps builds at 20 per month and 30 minutes per build, limiting use for active teams.; Firebase spark plan limited to 1 GiB storage, 50,000 daily reads, 20,000 daily writes
  • They diverge on capability: Appcircle covers Mobile Build Automation, Firebase covers Real-time Database.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Appcircle and Firebase actually diverge.

Attributes where Appcircle and Firebase differ
AttributeAppcircleFirebase
Platformsweb, ios, android, apiiOS, Android, Web, Flutter, C++, Unity
FoundedUnknown1998

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Mobile Development).

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 Appcircle

  • Mobile Build Automation
  • Signing Identity Management
  • Testing Distribution
  • Store Publishing Automation
  • CodePush Updates
  • Enterprise App Store
  • Microsoft Intune Integration

Only in Firebase

  • Real-time Database
  • REST API
  • Authentication
  • Google Cloud
  • Cloud functions
  • Cloud Storage
  • Web support
  • Mobile support

What people use each for

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

Appcircle

  • Automating mobile app builds and signing for iOS and Androidnot Firebase
  • Distributing test builds to QA and beta testersnot Firebase
  • Pushing over-the-air updates without app store reviewnot Firebase
  • Hosting an internal enterprise app storenot Firebase
  • Self-hosting mobile CI/CD behind a firewallnot Firebase

Firebase

  • Mobile app backend developmentnot Appcircle
  • Real-time data synchronisationnot Appcircle
  • Web application backendnot Appcircle
  • Cross-platform app developmentnot Appcircle

Where each one falls short

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

Appcircle

  • The free Starter plan caps builds at 20 per month and 30 minutes per build, limiting use for active teams.
  • Corporate/on-premises pricing is not published and requires contacting sales.
  • Billing is annual with bank transfer terms, which is less flexible than monthly self-serve billing.
  • Focused specifically on mobile, so it lacks the general-purpose CI/CD features of broader platforms.

Firebase

  • Spark plan limited to 1 GiB storage, 50,000 daily reads, 20,000 daily writes
  • Spark plan restricts to 100 concurrent database connections
  • Spark plan limits Firebase Studio to 3 workspaces maximum
  • Document size capped at 1 MiB per document
  • Transaction time limited to 270 seconds with 60-second idle expiration
  • Maximum 100 databases per project (increase requires support request)

Pricing, plan by plan

Appcircle

Free
  • StarterFree
    • 1 concurrent build
    • 30 minutes max build time
    • 20 builds per month
  • Corporate$undefined/month
    • Customizable limits across all modules
    • Public, private cloud, or on-premises deployment
    • SSO/LDAP support

Firebase

Free
  • SparkFree
    • No-cost usage with daily-refreshing quotas
    • Cloud Firestore: up to 1 GB storage, 20K writes/day, 50K reads/day
    • Cloud Functions: up to 2M invocations/month, 400K GB-seconds/month
  • Blaze$null/variable
    • Pay-as-you-go usage beyond free tier
    • Cloud Firestore: $5/GB after 1 GB, writes beyond 20K/day at overage rates
    • Cloud Functions: $0.40 per million invocations beyond 2M/month, $0.12/GB for outbound networking beyond 5 GB/month

Which should you pick?

Choose Appcircle if

  • You need mobile build automation.
  • You want to start without paying.
  • You work on web, ios, android, api.
  • You also want signing identity management.
Appcircle review

Choose Firebase if

  • You need real-time database.
  • You want to start without paying.
  • You work on iOS, Android, Web, Flutter, C++, Unity.
  • You also want rest api.
Firebase review

Questions people ask

Is Appcircle or Firebase better?
Neither clearly leads. Appcircle starts at Free and Firebase at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Appcircle or Firebase?
Appcircle starts at Free and Firebase at Free.
Does Appcircle or Firebase run on more platforms?
Appcircle runs on web, ios, android, api. Firebase runs on iOS, Android, Web, Flutter, C++, Unity.
Can I use Appcircle for free?
Both have a free tier, so you can try either at no cost before committing.
What is Appcircle best used for?
Appcircle is most often used for automating mobile app builds and signing for ios and android, distributing test builds to qa and beta testers, pushing over-the-air updates without app store review, hosting an internal enterprise app store. Of those, automating mobile app builds and signing for ios and android and distributing test builds to qa and beta testers are not what Firebase is typically brought in for.
What can Appcircle do that Firebase cannot?
Appcircle covers Mobile Build Automation, Signing Identity Management, Testing Distribution, Store Publishing Automation. Firebase covers Real-time Database, REST API, Authentication, Google Cloud.

Answered from the vendors’ own pages

Appcircle: What does Appcircle cost?

Appcircle offers an always-free Starter plan with limited monthly builds, and a Corporate plan with tailored, customizable limits priced through annual licensing.

Source
Firebase: What are Firebase's free tier limits?

Firebase Spark plan includes no-cost daily-refreshing quotas: Cloud Firestore up to 1 GB storage with 20K writes and 50K reads per day; Cloud Functions up to 2M invocations monthly; Cloud Storage 5 GB-months with 100 GB downloads monthly; Hosting 10 GB storage and 360 MB daily data transfer; Realtime Database up to 1 GB storage. No payment method required.

Source
Appcircle: Is there a free plan, and what are its limits?

The free Starter plan includes 1 concurrent build, 30-minute max build time, 20 builds per month, 1,000 CodePush updates, and 100 Testing Distribution downloads per month.

Source
Firebase: How much does Firebase Blaze plan cost?

Firebase Blaze is pay-as-you-go beyond free tier limits. Pricing includes Cloud Firestore storage at $5/GB after 1 GB; Cloud Functions $0.40 per million invocations beyond 2M monthly; Cloud Storage $0.026/GB beyond 5 GB; Hosting $0.15/GB beyond 360 MB daily. New eligible customers receive $300 free credit.

Source
Appcircle: How is billing handled on paid plans?

Corporate plans use an annual licensing model with bank transfer payments due within 30 days of invoicing, and usage against limits can be tracked in the billing dashboard.

Source
Firebase: Which Firebase services are always free regardless of tier?

A/B Testing, Analytics, App Check, Cloud Messaging, and Crashlytics are offered at no cost on both Spark and Blaze plans, with no usage limits stated.

Source
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