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Billing FAQ

Can I try before I decide?

Section titled “Can I try before I decide?”

Free Plan with No Time Limit

Section titled “Free Plan with No Time Limit”

DevLingo Free has no trial period — you can:

  • 10 lookups per month: Enough for daily learning needs
  • Keep forever: Word Book and learning history are permanently available
  • Upgrade anytime: No data migration needed; upgrade directly to Pro

When Should You Upgrade?

Section titled “When Should You Upgrade?”
  • You exceed 10 lookups per month
  • You need offline language learning (Free downgrades after 3-day cache)
  • You want to save unlimited words to the Word Book
  • You need a shared team vocabulary

How do I cancel my subscription?

Section titled “How do I cancel my subscription?”

Cancel In-App (Apple IAP)

Section titled “Cancel In-App (Apple IAP)”
  1. Open DevLingo menu bar > Settings
  2. Go to the Subscription tab
  3. Click Manage Subscription
  4. Select Cancel Subscription

After cancellation, your account downgrades to Free at the end of the current billing period. Pro features remain available for the rest of the paid period.

Web Users (License Key)

Section titled “Web Users (License Key)”

Sign in to dashboard.devglish.com:

  1. Go to Billing > Subscriptions
  2. Find the subscription you want to cancel
  3. Click Cancel

Email Support for Cancellation

Section titled “Email Support for Cancellation”

Can’t cancel in-app? Email [email protected] with:

  • Your email address
  • Subscription type (IAP / License Key)
  • Reason for cancellation (optional, helps us improve)

We’ll process it within 24 hours.

What payment methods are supported?

Section titled “What payment methods are supported?”

In-App Purchase

Section titled “In-App Purchase”

Platform: macOS App Payment methods: Payment methods linked to your Apple ID

  • Credit cards (Visa, Mastercard, American Express)
  • Apple Gift Card
  • Alipay, WeChat Pay (depending on your Apple ID region)

Advantage: Integrated with Apple ID; billing managed through Apple

Web Purchase (Stripe + License Key)

Section titled “Web Purchase (Stripe + License Key)”

Platform: Web (buy.devglish.com) Payment methods:

  • Credit cards (Visa, Mastercard, American Express)
  • Google Pay
  • Klarna (installment payments)
  • PayPal
  • Alipay, WeChat Pay

Process:

  1. Select a subscription plan
  2. Enter email and payment information
  3. Complete purchase; receive a License Key via email (format: DL-XXXX-XXXX-XXXX-XXXX)
  4. Enter the License Key in the app to activate

Advantage: More payment options, installment support, account not tied to Apple ID

Enterprise Purchase Orders (PO)

Section titled “Enterprise Purchase Orders (PO)”

Available for Team plans and annual agreements. Contact sales: [email protected]

Supports: invoices, purchase orders, bank transfers, dedicated network lines, etc.

Does the Team plan support annual billing?

Section titled “Does the Team plan support annual billing?”

Yes, annual billing is supported

Section titled “Yes, annual billing is supported”

Team annual plan:

  • Annual price: Monthly price x 12 x 0.85 (15% discount)
  • Example: 10-person team, annual $10,200 (instead of $12,000)
  • Billing cycle: Renewed once annually on January 1

Getting an Annual Quote

Section titled “Getting an Annual Quote”
  1. Sign in to dashboard.devglish.com
  2. Go to Billing > Plan
  3. Click Switch to Annual

Or contact sales directly: [email protected]

Volume Discounts

Section titled “Volume Discounts”
Team SizePrice/Person/MonthAnnual Total (10-person example)
2-10$12$12,240
11-50$10$10,200
50+CustomContact sales

What’s the refund policy?

Section titled “What’s the refund policy?”

14-Day No-Questions-Asked Refund

Section titled “14-Day No-Questions-Asked Refund”

DevLingo offers a full refund within 14 days, no reason required:

  1. Email [email protected]
  2. Provide the subscription confirmation email or Order ID
  3. We’ll process the refund within 3-5 business days

Refunds are returned to the original payment method (Apple ID account or credit card).

Account Status After Refund

Section titled “Account Status After Refund”
  • Account is retained, but subscription downgrades to Free
  • Saved Word Book and learning history are preserved
  • When you re-upgrade, all data is restored

After 14 Days

Section titled “After 14 Days”

If there are special circumstances (e.g., technical issues, unmet expectations), you can still request a refund after 14 days. Email us to explain the situation and we’ll handle it on a case-by-case basis.

How do I use a License Key?

Section titled “How do I use a License Key?”

Getting a License Key

Section titled “Getting a License Key”
  1. Visit buy.devglish.com
  2. Select a subscription plan and complete payment
  3. Receive an email with your License Key (format: DL-XXXX-XXXX-XXXX-XXXX)

Activating In-App

Section titled “Activating In-App”
  1. Open DevLingo > Settings
  2. Go to Account > License Key
  3. Paste your License Key
  4. Click Activate

Activation is complete and the app immediately upgrades to Pro.

Benefits of License Keys

Section titled “Benefits of License Keys”
  • Not tied to Apple ID: Supports multiple payment methods
  • Account-transferable: Sign in on a new computer to restore
  • Securely stored: Kept in macOS Keychain
  • Regular verification: Daily online validity check (3-day offline cache)

What if I switch computers?

Section titled “What if I switch computers?”

License Is Bound to Account, Not Device

Section titled “License Is Bound to Account, Not Device”

When switching computers:

  1. Install DevLingo on the new computer
  2. Sign in with the same email (Apple Sign In or Magic Link)
  3. The app automatically recognizes your account and restores your license and all data

No need to re-enter the License Key — as long as the account is the same.

Device Management (Heartbeat Verification)

Section titled “Device Management (Heartbeat Verification)”
  • The license performs a daily online verification
  • Supports 3 days of offline use (app still works without network)
  • After 3 days without verification, the license enters offline cache mode
  • To manually re-verify, go to Settings > Account > Revalidate License

Using Multiple Devices Simultaneously

Section titled “Using Multiple Devices Simultaneously”

One License Key supports:

  • Multiple Macs under the same account: No limit
  • Different accounts: Require different License Keys

Student discount?

Section titled “Student discount?”

Education Discount

Section titled “Education Discount”

DevLingo offers a 20% discount for students and educators:

Eligibility:

  • A valid .edu email address
  • Or a student ID / faculty ID screenshot

Application process:

  1. Email [email protected]
  2. Provide:
    • Name and .edu email (or ID photo)
    • Plan type (Pro / Team)
  3. We’ll verify and issue a discount code within 24 hours

Using the discount code:

  1. Visit buy.devglish.com
  2. Enter the discount code at checkout
  3. 20% is automatically deducted

Validity

Section titled “Validity”
  • Students: Valid while enrolled
  • Faculty: Valid during full-time appointment
  • Annual review: Re-verification may be required

Other Payment Questions

Section titled “Other Payment Questions”

Payment declined?

  1. Confirm your credit card hasn’t expired and has sufficient balance
  2. Check if international transactions are enabled
  3. Try a different payment method
  4. Contact [email protected]

Invoices and taxes?

  • Web purchases can generate invoices (Settings > Billing > Generate Invoice)
  • Enterprise customers can request custom invoices (with tax ID, company name, etc.)

Can’t find your billing record?

  1. Check your email (including spam folder)
  2. Sign in to dashboard.devglish.com > Billing
  3. Email [email protected] to request a billing copy