Comparison

Note vs iDesat by Envivia

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

Head to head
About

Note

This app helps beginners in music learn to read sheet music. It offers daily practice with smart note selection and customizable syllable systems to make note association automatic.

Highlights
  • Treble and bass clefs
  • Smart note selection for improvement
  • Practice sequences for basic notes
  • Customizable syllable systems (do re mi, A B C)
  • Daily practice reminders
Features
Read full description

Still feeling that you get stuck in reading scores because you haven't learned what all the notes are? NOTE is the ideal app for you and all beginners in the music world! Key features: - Treble and bass clefs; - Smart selection of notes that you need to improve reading; - Sequence of practices for learning to read the basic, highest and lowest musical notes; - Selection of different syllables: (do re mi, A B C); - Daily practice reminder. In a simple way, with a few minutes of daily practice, the association of musical notes in the lines and spaces of the score will be automatic. Improve your musical studies by making the notes easier to read with NOTE.

About

iDesat by Envivia

Features
Read full description

[Master Your Dive Strategy] iDesat is a premium digital guide dedicated to planning and analyzing air dives, with or without decompression stops. Designed to support divers throughout their training and progression, the app combines clear educational content, technical analysis, and planning tools to help them better understand the impact of each choice before entering the water. [What iDesat Enables You to Do] • Understand Gradient Factors (GF) and consider a setting consistent with the planned profile • Choose your parameters for a no-decompression dive or a dive with decompression stops • Analyze Time To Surface (TTS) and the margins associated with the profile • Assess your gas consumption (RMV – Respiratory Minute Volume), reserves, and gas endurance • Explore scenarios to anticipate and their impact on ascent or gas consumption • Build a strategy suited to your experience, your dive team, and the expected conditions [A True Educational Companion] iDesat is designed for: Divers who want to prepare their air dives more effectively Recreational divers who want to better understand their decompression choices Experienced divers who want to analyze their margins and scenarios Instructors seeking a structured educational resource The app does more than display results: it helps you understand, compare, anticipate, and adjust your planning choices. [Important] iDesat is an educational planning aid. It does not replace recognized training, the procedures of your training agency, or a dive computer. Every dive plan must be adapted to actual conditions, the divers’ experience, and the dive team's procedures. [Multilingual] Available in French, English, Spanish, Italian, and German. [About iDesat Premium] • Payment will be charged to your iTunes account at confirmation of purchase. • The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. • Subscriptions may be managed by the user, and auto-renewal may be turned off in the iTunes account settings after purchase. Privacy Policy
https://envivia.fr/policy/iDesat/privacy/ Terms of Use – EULA:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Note4 screens
iDesat by Envivia4 screens

Verdict

The call

The clearest difference is in-app purchases: Note at none against iDesat by Envivia's 1. iDesat by Envivia's advantage is update cadence (every 2 weeks vs every 18 months) and iOS requirement (15.6 vs 18.0). 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. iDesat by Envivia sells 1 in-app purchase, starting at $5.99 per year. Note asks for nothing beyond the download.

UpkeepUpdate frequency

Note ships an update every 18 months, iDesat by Envivia every 2 weeks. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Note versus iDesat by Envivia: the parameters behind the verdict, then further details
ParameterNoteiDesat by Envivia
PriceFreeFree
Rating4.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 18 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.6 — better
Further details — not scored
Size3 MB72 MB
Age rating4+12+
DeveloperRaphael MeloENVIVIA

In-app purchases

None

Note

No in-app purchases

1 purchases

iDesat by Envivia

Subscriptions1
  • Premium$5.991 Year

Questions

Is Note free?
Note is free to download, with no in-app purchases.
Is iDesat by Envivia free?
iDesat by Envivia is free to download, with in-app purchases available.
Do Note or iDesat by Envivia have ads?
Neither Note nor iDesat by Envivia shows ads.
Which is updated more often, Note or iDesat by Envivia?
Note ships an update every 18 months, and iDesat by Envivia every 2 weeks. Most recently, Note was updated on October 14, 2026 and iDesat by Envivia on October 25, 2026.

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