Comparison

Little Green Button vs InterVoIP

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

Head to head
About

Little Green Button

This safety companion app acts as a panic button and duress alarm system. It allows users to share alerts with a response group and provides access to a management site for managing subscriptions and user keys.

Highlights
  • Panic button functionality
  • Duress alarm system
  • Share alerts with response group
  • Access to management site
  • Auto-renewable subscription
  • Supports up to 4 additional users
Read full description

The panic button software designed to help keep people safe; it's the perfect panic alarm system (duress alarm) for any environment that you can rely on and trust. You may purchase an auto-renewing subscription through an In-App Purchase. In purchasing a Little Green Button annual subscription you will be granted access to our service and management site for one year. Your subscription allows you to share your response group key with up to 4 other users across mobile or desktop, who will be able to raise and receive alerts within your personal group. In signing up you agree to both our Terms Of Service & Privacy Policy. For support or any questions please visit our website. โ€ข Auto-renewable subscription โ€ข 1 year (ยฃ199.99) duration โ€ข Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. โ€ข Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase โ€ข Privacy policy: https://www.littlegreenbutton.com/privacy-policy/ โ€ข Terms of service: https://www.littlegreenbutton.com/terms-of-service/

About

InterVoIP

Read full description

The InterVoIP softphone is a free VoIP application built to provide a smooth and reliable calling experience. It offers quick and easy setup, allowing you to start making calls without any fuss.

Screenshots

Little Green Button4 screens
InterVoIP4 screens

Verdict

The call

The clearest difference is in-app purchases: InterVoIP at none against Little Green Button's 1. Little Green Button's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Little Green Button sells 1 in-app purchase, starting at $204.99 per year. InterVoIP asks for nothing beyond the download.

UpkeepUpdate frequency

Little Green Button ships an update every 2 months, InterVoIP every 6 weeks. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

Scorecard2 real differences ยท 6 level
Little Green Button versus InterVoIP: the parameters behind the verdict, then further details
ParameterLittle Green ButtonInterVoIP
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 2 monthsEvery 6 weeks โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
MonetizationSubscriptionโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS15.6 โ€” better16.0
Further details โ€” not scored
Size60 MB109 MB
Age rating17+17+
DeveloperLittle Green Button LimitedICUK Computing Services Ltd

In-app purchases

1 purchases

Little Green Button

Subscriptions1
  • Annual Subscription (Seed)$204.991 Year
None

InterVoIP

No in-app purchases

Questions

Is Little Green Button free?
Little Green Button is free to download, with in-app purchases available.
Is InterVoIP free?
InterVoIP is free to download, with no in-app purchases.
Do Little Green Button or InterVoIP have ads?
Neither Little Green Button nor InterVoIP shows ads.
Which is updated more often, Little Green Button or InterVoIP?
Little Green Button ships an update every 2 months, and InterVoIP every 6 weeks. Most recently, Little Green Button was updated on October 8, 2026 and InterVoIP on October 10, 2026.

Other comparisons