Comparison

LeanMilestones vs A3 Coach

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

Head to head
About

LeanMilestones

Create presentation-ready milestone charts for projects, historical events, workout plans, or any schedule. Offers flexible date input, visual timeline elements, and export options.

Highlights
  • Presentation-ready milestone charts
  • Cloud synchronization (Beta)
  • Flexible date input
  • Bar & arrow phases
  • Automatic timeline scaling
  • Vectorized PDF export
Features
Read full description

LeanMilestones helps project managers to create presentation ready milestone charts. It can also be used for - historic event overviews, - workout planning & - schedules of any kind. FEATURES: - NEW: cloud synchronization of multiple devices via Dropbox (Beta test phase available in full version) - milestone dates direct, by calendar week or relative to other milestones - bar & arrow phases between milestones - optional today line - optional calendar week numbers inside the milestones - automatic timeline scaling from months to millennia - mail, print or other export as vectorized PDF allowing infinite upscale (full version) - backup and cross device plan exchange via Mac Finder FileSharing - UI dark mode support

About

A3 Coach

Features
Read full description

Solve problems in a structured way, with the proven A3 method and an AI coach that thinks along. A3 Coach guides you and your team step by step through the complete A3 problem-solving process, from the problem description through root cause analysis to countermeasures and standardization. Built for manufacturing companies, quality management and everyone who wants to solve problems for good instead of just on the surface. THE GUIDED A3 PROCESS • 10 clearly guided steps, from the problem to standardization • Shortened 5-Why path for simpler problems • Team setup with roles and responsibilities • Measurable goals: baseline, target and actual value for each metric • Root cause analysis with team voting and prioritization • Countermeasures with priority, owner and implementation plan • Photos of the problem: capture the situation before the improvement and after standardization. The images appear directly on the A3 sheet. YOUR AI COACH THINKS ALONG • Concrete, practical input at every step of the process • Asks the right questions instead of handing you ready-made answers • Helps with the problem description, root causes and countermeasures • 10 free coach requests to get started THE FINISHED RESULT • Your complete A3 as a clear report • Export as PDF, print and share • All your cases at a glance in the dashboard FAIR PLANS • Free: 10 reports to get started plus 10 AI coach requests • Start (subscription): create unlimited reports • Basis (subscription): 50 AI coach requests per month • Pro (subscription): 150 AI coach requests per month • Top-up packages whenever you need more PRIVACY • Stored in the EU (Frankfurt) • No tracking, no advertising • Delete your account directly in the app A3 Coach is a product of mpdigital (Austria). Support: www.mpdigital.at Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://www.mpdigital.at/a3coach/datenschutz.html

Screenshots

LeanMilestones4 screens
A3 Coach4 screens

Verdict

The call

LeanMilestones and A3 Coach are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. LeanMilestones sells 2 one-off in-app purchases and A3 Coach sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LeanMilestones ships an update every 2 months, A3 Coach every 3 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

ScorecardNo meaningful differences
LeanMilestones versus A3 Coach: the parameters behind the verdict, then further details
ParameterLeanMilestonesA3 Coach
PriceFreeFree
Rating4.2 (6 ratings) — better—
Positive reviews46.2% of reviews—
Number of ratings6 — better—
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size38 MB32 MB
Age rating4+4+
DeveloperMPG Maschinenprogramm UG (haftungsbeschraenkt)Martin Posarnig

In-app purchases

2 purchases

LeanMilestones

One-time2
  • Test Purchase 1$0.99
  • Full Version$8.99
5 purchases

A3 Coach

Subscriptions3
  • Start$1.991 Month
  • Basis$17.991 Month
  • Pro$34.991 Month
One-time2
  • 50 Coach-Anfragen$17.99
  • 150 Coach-Anfragen$44.99

Questions

Is LeanMilestones free?
LeanMilestones is free to download, with in-app purchases available.
Is A3 Coach free?
A3 Coach is free to download, with in-app purchases available.
Do LeanMilestones or A3 Coach have ads?
Neither LeanMilestones nor A3 Coach shows ads.
Which is updated more often, LeanMilestones or A3 Coach?
LeanMilestones ships an update every 2 months, and A3 Coach every 3 months. Most recently, LeanMilestones was updated on November 2, 2026 and A3 Coach on October 31, 2026.

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