Comparison

Act Four vs Manometro

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

Head to head
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/

About

Manometro

Features
Read full description

Manometro is a real-time pressure coach for lever and manual espresso (Flair, Cafelat Robot, Picopresso, La Pavoni and more). Most timers just count seconds. Manometro guides the one thing that actually shapes your shot: pressure over time. • Target pressure curve, second by second. • Live coaching with phase cues and haptics. • Log every shot and get a clear next step. • Learns your best grind per bean from your own logs. • Build, edit and share pressure profiles with one tap. • Bean shelf with roast freshness; shareable shot card. For gauge-less machines, Manometro coaches with phase, timing and plain-language cues. Nail the shot, every time. Manometro Pro unlocks premium pressure profiles, unlimited history analytics, and data export. Auto-renewing subscription: Monthly (JPY 600) or Yearly (JPY 3,600), with a 7-day free trial. A one-time Lifetime option is also available. Payment is charged to your Apple ID and auto-renews unless canceled at least 24 hours before the period ends. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://syou6.github.io/manometro-legal/privacy.html

Screenshots

Act Four4 screens
Manometro3 screens

Verdict

The call

The clearest difference is update cadence: Act Four at every 8 days against Manometro's every 3 weeks. 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. Act Four sells 3 in-app purchases, starting at $3.99 per month and Manometro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Act Four ships an update every 8 days, Manometro every 3 weeks. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

Scorecard1 real difference · 9 level
Act Four versus Manometro: the parameters behind the verdict, then further details
ParameterAct FourManometro
PriceFreeFree
Rating5.0 (17 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings17 — better—
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size4 MB3 MB
Age rating4+4+
DeveloperAIV, LLCAMOR Limited Liability Company

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
1 purchases

Manometro

One-time1
  • Manometro Pro$59.99

Questions

Is Act Four free?
Act Four is free to download, with in-app purchases available.
Is Manometro free?
Manometro is free to download, with in-app purchases available.
Do Act Four or Manometro have ads?
Neither Act Four nor Manometro shows ads.
Which is updated more often, Act Four or Manometro?
Act Four ships an update every 8 days, and Manometro every 3 weeks. Most recently, Act Four was updated on October 9, 2026 and Manometro on October 4, 2026.

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