Comparison

API Usage vs Domain Watcher

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

Head to head
About

API Usage

Features
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Understand your AI and cloud costs without jumping between provider dashboards. API Usage brings OpenAI, Anthropic, and Vercel billing data into one clear, customisable view. Connect multiple organisations, choose the metrics and time ranges that matter to you, and keep important totals visible on your Home Screen. BUILD YOUR DASHBOARD - Track daily spend across configurable time ranges - Break down costs by project, service, API key, workspace, or model - Choose list, bar, line, area, or donut chart styles - Create compact or detailed tiles for each organisation CHECK COSTS FROM YOUR HOME SCREEN - Turn any dashboard tile into a widget - Choose the organisation and metric for each widget - Use small, medium, or large widget layouts - Keep snapshots updated in the background when iOS allows MADE FOR MULTIPLE PROVIDERS - Connect more than one organisation per provider - View OpenAI, Anthropic, and Vercel independently - Add, edit, or remove organisations at any time YOUR CREDENTIALS STAY ON YOUR DEVICE Credentials are stored in the iOS Keychain. API Usage communicates directly with the provider you connect and does not send your credentials or billing data to a Barolo AI server. API Usage is an independent product and is not affiliated with, endorsed by, or sponsored by OpenAI, Anthropic, or Vercel.

About

Domain Watcher

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Never be surprised by an expired domain or SSL certificate again. This app continuously monitors your domains and websites and alerts you before important expiration dates are reached.Ā  FEATURES • Automatic domain expiry alerts. Receive timely notifications before your domain registration expires. • SSL certificate expiration warnings. Monitor SSL/TLS certificates and get notified before they expire. • HTTP response monitoring. Check website availability and verify expected HTTP response codes. • Monitor multiple websites and domains. Keep track of all your important web properties from a single app. PRIVACY FIRST • 100% local operation (No backend) • No accounts required • No data collection • No tracking • No ads • No AI

Screenshots

API Usage4 screens
Domain Watcher4 screens

Verdict

The call

API Usage and Domain Watcher are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
API Usage versus Domain Watcher: the parameters behind the verdict, then further details
ParameterAPI UsageDomain Watcher
PriceFreeFree
Update frequency—Every 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS26.026.0
Further details — not scored
Size5 MB3 MB
Age rating4+4+
DeveloperBarolo AIAmax Software Sp. z o.o.

In-app purchases

None

API Usage

No in-app purchases

None

Domain Watcher

No in-app purchases

Questions

Is API Usage free?
API Usage is free to download, with no in-app purchases.
Is Domain Watcher free?
Domain Watcher is free to download, with no in-app purchases.
Do API Usage or Domain Watcher have ads?
Neither API Usage nor Domain Watcher shows ads.

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