Comparison

mymizu vs Boulder Pass

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

Head to head
About

mymizu

Discover nearby water refill stations to reduce plastic waste. Track your environmental impact, monitor daily water intake, and contribute to a global database of refill locations. Share your progress and fun facts with friends.

Highlights
  • Find water refill spots
  • Add new refill locations
  • Track plastic bottle savings
  • Track CO2 and money saved
  • Monitor daily water intake
  • Set hydration goals
  • Unlock fun facts and graphics
Features
Read full description

Using mymizu, you can: 1. Find your nearest water refill spot 2. Add new refill spots and help even more people refill 3. Track your impact, including number of plastic bottles, CO2 and money saved 4. Track your daily water intake and set hydration goals 5. Unlock fun facts and graphics to share with your friends! Our refill spots include both public water fountains and refill partners such as cafes, shops and hotels where you can refill for free - many have a mymizu sticker on display. You can contribute to the movement by adding new public refill spots you discover, adding to our global database of over 200,000 refill spots. You can add new public refill spots via the "Add refill spot" function. You can also encourage your favourite cafe, shop or hotel to sign up on the platform for free, to help even more people refill and eliminate single-use plastic. Cafes, shops and other businesses on the mymizu platform receive the following benefits (signing up is free!): 1. Increased foot traffic. 2. Enhanced branding through good corporate citizenship. 3. Strengthened community relations At mymizu, we believe that small actions can lead to a big impact, if we all join in together! That's why we'd love for you to join us as we take on the #PlasticsCrisis - one bottle at a time. So start tracking those refills and let's do this together!! Here's to a world with less plastic and more fun :)

About

Boulder Pass

Features
Read full description

ユーザー - クライミングアカウント ジム店員 - クライミングアカウント - ユーザーのアカウントをスキャンする - セッションの歴史

Screenshots

mymizu4 screens
Boulder Pass2 screens

Verdict

The call

The clearest difference is update cadence: Boulder Pass at every 3 weeks against mymizu's every 3 months. mymizu's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

mymizu ships an update every 3 months, Boulder Pass every 3 weeks. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
mymizu versus Boulder Pass: the parameters behind the verdict, then further details
ParametermymizuBoulder Pass
PriceFreeFree
Rating4.7 (19 ratings) — better—
Positive reviews43.3% of reviews—
Number of ratings19 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size52 MB21 MB
Age rating4+4+
DeveloperSOCIAL INNOVATION JAPAN, GENERAL INC. ASSOCIATIONWilliams Kwan

In-app purchases

None

mymizu

No in-app purchases

None

Boulder Pass

No in-app purchases

Questions

Is mymizu free?
mymizu is free to download, with no in-app purchases.
Is Boulder Pass free?
Boulder Pass is free to download, with no in-app purchases.
Do mymizu or Boulder Pass have ads?
Neither mymizu nor Boulder Pass shows ads.
Which is updated more often, mymizu or Boulder Pass?
mymizu ships an update every 3 months, and Boulder Pass every 3 weeks. Most recently, mymizu was updated on October 26, 2026 and Boulder Pass on October 18, 2026.

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