Comparison

Vrank vs Sustainers

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

Head to head
About

Vrank

Features
Read full description

Never run out of things to talk about with these digital card sets. We carefully created questions for friends, family, life and love. With Vrank you can have an iPhone in your hand and still have great conversations. Choose your card set, ask the question, take your time to answer and swipe to the next one. Running out of questions? Try one of the other card sets or open up the same freshly reshuffled set. All you have to do, is listen and pay attention. And answer the questions honestly of course. Just be vrank. + Conversation starters at hand + There is a card set for (almost) every situation + Questions on your homescreen with Widgets (now available for the Mac) + Share a card and #daretoask + Works in the dark (with Dark Mode) These card sets are free to use: • On The Go • After School with your kids • Date Night with your lover or partner FULL VERSION Need more conversation starters? The full version of the app contains these sets: • Mum, a quick question (from kids to parents) • New Year's with friends • Under The Sun (vacation with friends) • Good ol' Phone Call with your grandparents • When Having Drinks with friends • Let's talk about sex with your partner • Retro Time with your colleagues • Philosophical Mood • First Date for a romantic conversation • After Dinner with your family • Lunch Break with colleagues • Life Questions with other thinkers • My Parents to get to know them even better • Job Interview-proof to advance your career ++ We keep on adding more sets Support our goal to help people have better conversations by buying the full version. Thank you! WHAT DOES VRANK MEAN? Vrank (derived from 'frank') means open, honest and direct. That is exactly what we hope people will experience while using the app. And of course, there is room for some laughter too.

About

Sustainers

This app gamifies sustainable living by allowing users to participate in everyday challenges like reducing meat consumption or cycling to work. It tracks real CO2 and monetary savings, fostering team competition and rewarding impactful actions.

Highlights
  • Daily sustainability challenges
  • Track CO2 and money savings
  • Team leaderboards
  • Progress and streak tracking
  • Company-specific challenges
  • Earn rewards for impact
Features
Read full description

Sustainers turns sustainability into a team sport. Take on simple, everyday challenges — eat less meat, cycle to work, take shorter showers — and watch your real CO2 and money savings add up. Built for companies and their employees, Sustainers makes lasting behavior change easy, social, and rewarding. WHAT YOU CAN DO • Pick from challenges and activities chosen by your company • Check in daily and log what you complete • See your estimated CO2 and euro savings grow over time • Track your progress and weekly streaks • Compete with colleagues on a team leaderboard • Earn rewards for the most CO2 saved WHY SUSTAINERS • Real impact — every action is translated into measurable CO2 and cost savings • Better together — teams motivate each other and celebrate progress • Simple — small daily steps that fit into your routine, no guilt required Whether you're shrinking your carbon footprint or saving on your bills, Sustainers helps you and your colleagues make a difference that adds up. Sustainers is offered through participating employers. You'll need an account from your organization to sign in.

Screenshots

Vrank4 screens
Sustainers4 screens

Verdict

The call

The clearest difference is in-app purchases: Sustainers at none against Vrank's 1. Sustainers also leads on update cadence (every 3 days vs every 2 months). Vrank's advantage is iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Vrank sells 1 one-off in-app purchase. Sustainers asks for nothing beyond the download.

UpkeepUpdate frequency

Vrank ships an update every 2 months, Sustainers every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
Vrank versus Sustainers: the parameters behind the verdict, then further details
ParameterVrankSustainers
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size10 MB6 MB
Age rating9+4+
DeveloperElmar HaneveldBas Kuis

In-app purchases

1 purchases

Vrank

One-time1
  • All card sets$3.99
None

Sustainers

No in-app purchases

Questions

Is Vrank free?
Vrank is free to download, with in-app purchases available.
Is Sustainers free?
Sustainers is free to download, with no in-app purchases.
Do Vrank or Sustainers have ads?
Neither Vrank nor Sustainers shows ads.
Which is updated more often, Vrank or Sustainers?
Vrank ships an update every 2 months, and Sustainers every 3 days. Most recently, Vrank was updated on October 25, 2026 and Sustainers on October 31, 2026.

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