Comparison

Hiroia Smart Scale vs Act Four

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

Head to head
About

Hiroia Smart Scale

Features
Read full description

Best Brewing Experience with HIROIA the user can setup the pouring plan with steps of flow rates, and execute the pouring progress. user may trains their stability of pouring by gaming.

About

Act Four

Learn to brew perfect espresso with video guidance and taste analysis. The app tracks your brew automatically, helping you adjust your machine and recipe for your ideal cup. Designed for both beginners and experienced baristas.

Highlights
  • Video-guided brewing workflow
  • Speed and taste analysis
  • Machine and grinder adjustment guidance
  • Automatic recipe tracking
  • Hands-free operation
  • Brew Weight and Timing adjustments
Features
Read full description

Let’s brew amazing espresso. New to espresso? Act Four’s video-guided workflow is designed to quickly walk you through the same steps used by professional baristas. We’ll analyze the speed and taste of each brew to tweak your machine, grinder, and brew recipe until you land on your ideal cup. Espresso pro? Let’s dial in by taste. After each brew, we’ll dive into the tasting experience to drive adjustments to Brew Weight and Brew Timing. Each brew iterates on the previous until we hit that magic cup. Act Four’s minimal workflow is designed to be hands-free and out of your way. Just open the app for automatic recipe, preinfusion, brew, and flow rate tracking. Privacy Policy: https://actfour.coffee/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Hiroia Smart Scale4 screens
Act Four4 screens

Verdict

The call

The clearest difference is in-app purchases: Hiroia Smart Scale at none against Act Four's 3. Hiroia Smart Scale also leads on iOS requirement (12.0 vs 16.0). Act Four's advantage is update cadence (every 8 days vs every 3 months) and chart position (#196 vs unranked). 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. Act Four sells 3 in-app purchases, starting at $3.99 per month. Hiroia Smart Scale asks for nothing beyond the download.

UpkeepUpdate frequency

Hiroia Smart Scale ships an update every 3 months, Act Four every 8 days. The most recent releases landed on September 15, 2026 and September 7, 2026 respectively.

Scorecard4 real differences · 7 level
Hiroia Smart Scale versus Act Four: the parameters behind the verdict, then further details
ParameterHiroia Smart ScaleAct Four
PriceFreeFree
Rating—5.0 (17 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—17 — better
Update frequencyEvery 3 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank—#196 — better
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better16.0
Further details — not scored
Size20 MB4 MB
Age rating4+4+
DeveloperHIROIA Communications Pte. Ltd.AIV, LLC

In-app purchases

None

Hiroia Smart Scale

No in-app purchases

3 purchases

Act Four

Subscriptions2
  • Monthly3 Days trial$3.991 Month
  • Yearly7 Days trial$29.991 Year
One-time1
  • SwitchBot Integration$19.99

Questions

Is Hiroia Smart Scale free?
Hiroia Smart Scale is free to download, with no in-app purchases.
Is Act Four free?
Act Four is free to download, with in-app purchases available.
Do Hiroia Smart Scale or Act Four have ads?
Neither Hiroia Smart Scale nor Act Four shows ads.
Which is updated more often, Hiroia Smart Scale or Act Four?
Hiroia Smart Scale ships an update every 3 months, and Act Four every 8 days. Most recently, Hiroia Smart Scale was updated on September 15, 2026 and Act Four on September 7, 2026.

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