Comparison

Blending Stack vs Piano Scale Coach

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

Head to head
About

Blending Stack

This app helps educators and parents support students with learning differences, like dyslexia, by creating customizable blending stacks. It aids in building decoding skills step-by-step through a structured phoneme progression, suitable for one-on-one or small group instruction.

Highlights
  • Customizable blending stacks
  • Supports CVC to multisyllabic words
  • Structured phoneme progression
  • Step-by-step decoding skill building
  • Ideal for one-on-one instruction
  • Suitable for small group lessons
Features
Read full description

The Blending Stack App is an essential tool for educators and parents supporting dyslexic learners or students with other learning differences. With this app, you can create fully customizable blending stacks tailored to each learner’s needs, whether working on simple CVC words or advancing to multisyllabic decoding. Designed around a structured phoneme progression, Blending Stack empowers students to build decoding skills step by step. Its flexible format makes it ideal for one-on-one instruction and small group lessons.

About

Piano Scale Coach

Features
Read full description

Most practice apps count minutes. Piano Scale Coach counts what matters: clean, focused reps. Built on practice principles from peer-reviewed learning research — and the way piano teachers have taught for centuries — it walks you through all 12 major scales, one key at a time, until your hands just seem to know the way. THE METHOD • Perfect reps, not minutes. Four clean in a row before you move on — the error-fixing habit research found in the most effective pianists. • Small chunks that grow. Three notes become four, then five… then one fluent octave — the way expert pianists' brains actually organize scales. • Hands separate, then together. Each hand learns its pattern first, so your full attention is free when they join. • Earn your speed. The built-in metronome climbs only when you're accurate — so you never rehearse mistakes. • Test yourself. Quick scale-degree quizzes in every session, because self-testing beats reviewing in study after study. • Short sessions, spread out. Six focused sessions per key, a few each week — spacing is one of the most replicated findings in learning science. WATCH IT STICK Your circle-of-fifths map fills in key by key, with your best tempo logged for every scale. Research on goal tracking says visible progress keeps you coming back — and it feels great. SIMPLE, HONEST PRICING C major is completely free — all six sessions and the scale test. One single purchase unlocks the other 11 keys. No subscription. No ads. Your practice data stays on your device. Sit down. Three notes. Begin.

Screenshots

Blending Stack4 screens
Piano Scale Coach4 screens

Verdict

The call

The clearest difference is price: Piano Scale Coach at Free against Blending Stack's $3.99. Piano Scale Coach also leads on update cadence (every 3 months vs every 14 months) and iOS requirement (15.1 vs 17.2). Blending Stack's advantage is rating (5.0 vs 1.0) and in-app purchases (none vs 1). On ratings volume, 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

Piano Scale Coach is free to download; Blending Stack costs $3.99 up front. Piano Scale Coach sells 1 one-off in-app purchase. Blending Stack asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Blending Stack holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Blending Stack ships an update every 14 months, Piano Scale Coach every 3 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Blending Stack versus Piano Scale Coach: the parameters behind the verdict, then further details
ParameterBlending StackPiano Scale Coach
Price$3.99Free — better
Rating5.0 (1 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyEvery 14 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.215.1 — better
Further details — not scored
Size3 MB36 MB
Age rating4+4+
DeveloperKids n BooksJack Carroll

In-app purchases

None

Blending Stack

No in-app purchases

1 purchases

Piano Scale Coach

One-time1
  • Unlock All 12 Keys$7.99

Questions

Is Blending Stack free?
Blending Stack costs $3.99, with no in-app purchases.
Is Piano Scale Coach free?
Piano Scale Coach is free to download, with in-app purchases available.
Which has better reviews, Blending Stack or Piano Scale Coach?
Blending Stack is rated higher. Blending Stack averages 5.0 out of 5 from 1 ratings, while Piano Scale Coach averages 1.0 from 1 ratings.
Do Blending Stack or Piano Scale Coach have ads?
Neither Blending Stack nor Piano Scale Coach shows ads.
Which is updated more often, Blending Stack or Piano Scale Coach?
Blending Stack ships an update every 14 months, and Piano Scale Coach every 3 months. Most recently, Blending Stack was updated on October 24, 2026 and Piano Scale Coach on October 24, 2026.

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