Convert Once

At a glance

• Editor score
  4.4 / 10
• Pricing
  14-day trial
• Best for
  Privacy-focused iPhone travelers
• Free plan
  No
• Currencies supported
  152 currencies
• Facts checked
  20 Oct 2026

• Where it wins

  • 152-country conversion with cached and built-in offline tables
  • Manual rates plus multi-unit travel conversions
  • No account, ads or third-party trackers

• Where it doesn't

  • Paid-only model after the 14-day free trial
  • iOS-only deployment leaves Android users out
  • Exchange rates refresh daily, not continuously

Our verdict on Convert Once

Convert Once is a travel-focused converter from Zobot LLC for people carrying an iPhone or iPad. It handles currencies for 152 countries and extends beyond money with simultaneous temperature, distance, speed and weight conversions. Travelers also get tipping customs, plug, voltage and frequency guidance, plus home and local clocks that show the day difference. There is no account, advertising or third-party tracking, making the app suited to privacy-focused solo travelers who want several practical references in one place.

The product uses a single paid plan called Convert Once. A 14-day free trial provides access before purchase, and the plan has no subscription or renewals. The published plan also states no advertising. Rates come from a public feed, are refreshed daily, cached for offline use, and can be entered manually when a traveler wants to override them. Apple ecosystem support is a notable fit: Siri, Spotlight, Shortcuts and widgets provide quick access from the phone or tablet. Email and documentation are listed support channels.

The main trade-off is platform scope: the listed deployment is mobile and the platform is iOS, so Android users need another option. Daily rate refreshes may also be less suitable for travelers who require continuously updated market data. Convert Once fits people who value offline access, manual control and privacy utilities in one Apple app. Those seeking a free ongoing tier, broader device coverage or more frequent rate updates should consider a different converter.

Your product? Our editors can test Convert Once in depth and publish a review, labelled as paid · from $149/mo →

Convert Once pricing

All 1 Convert Once plans and prices →

Convert Once fact sheet

Convert Once integrations

Convert Once lists 3 integrations on its own site.

• Siri
• Spotlight
• Shortcuts

Alternatives to Convert Once

• XCXE Currency ConverterA free, full-featured converter with live rates, history and alerts across web and mobile.9.4
• OCOANDA Currency ConverterA free converter with deep historical data, broad coverage and iPhone charts.9.2
• BCBankrate Currency ConverterA free, straightforward web converter for currency and precious-metal comparisons.9.0

See all Convert Once alternatives →

Featured on iTechGuides

Convert Once is listed in our Currency Converter Apps directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 31 Oct 2026 · How we research and update