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Start free. Keep more with Zona Plus.

Guest and Standard cost nothing. Zona Plus is an optional monthly or yearly App Store subscription for a longer inbox history, more sources and larger image attachments. The sender API and the MCP server work the same on every plan.

Plans

Every limit, side by side

Limits are configured per plan by the operator and can change without an app update. Settings and App Status show the values that apply to your account, and those are authoritative.

LimitGuestStandardZona Plus
PriceFreeFreePrice shown in the App Store in your currency
How you get itContinue as a guestProtect the account with a sign-in methodMonthly or yearly App Store subscription
Inbox retentionAttachments follow their alert. Standard and Plus pins can keep it longer; downgrading never shortens existing alerts.1 day7 days30 days
Active sourcesZona shows the cap that applies to your plan in the app.1310
Unrevoked access keys110 per source, 10 per account10 per source, 30 per account
Image attachmentsUp to five PNG, JPEG or WebP images share one budget.1 MiB5 MiB10 MiB
Images per dayPer UTC day. Past it, an alert arrives without its images.1 MiB10 MiB50 MiB
Accepted alerts per accountRolling window, across all sources.1 per minute, 5 per hour5 per minute10 per minute
Accepted alerts per source1 per minute5 per minute10 per minute
Accepted alerts per dayPer account, per UTC day, from 00:00 UTC.503003,000
Registered devices135
Check-insNone2, every 15 minutes or slower25, every 5 minutes or slower
Running agent updatesKeep a coding agent’s session on the Agent board.Not acceptedNot acceptedAccepted
Recover on another phoneNoYesYes
Sender API, MCP server, quiet hours, severity, checklistsIncludedIncludedIncluded

Quiet hours never reject an alert: Zona keeps it in the inbox and skips its push and in-app banner, unless a Zona Plus owner has allowed critical alerts through each active schedule. Field limits and the JSON body limit are the same on every plan. The largest multipart request follows your plan’s image budget. Both are listed in the API reference.

How the subscription works

Apple handles every charge. These terms apply to Zona Plus purchases in the app.

Billing
Zona Plus is an optional monthly or yearly auto-renewable subscription sold through the App Store. Your Apple Account is charged when you confirm a purchase. Prices are shown before purchase and may vary by storefront.
Auto-renewal
The subscription renews automatically unless you cancel at least 24 hours before the current period ends. Your Apple Account is charged for renewal within 24 hours before that period ends.
Cancelling
Cancel at any time from Settings → Manage Subscription, or in Apple’s subscription settings. Cancellation stops the next renewal. Unless Apple refunds or revokes the purchase earlier, access continues until the paid period ends.
Refunds
Apple decides and processes refunds. If Apple refunds or revokes a transaction, Zona Plus access may end immediately.
Restoring
After reinstalling or changing devices, use Settings → Zona Plus → Restore Purchases while signed in to the same Zona account.
Deleting your account
Deleting your Zona account does not cancel an App Store subscription. Manage or cancel Zona Plus through Apple first.