Comparison

iChromatic vs Grammy One

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

Head to head
About

iChromatic

This app provides precise instrument tuning using your device's microphone and a visual strobe display. It offers frequency readouts and responsive waterfall strobes for accurate pitch matching. Configure reference frequencies and tune a wide range of notes.

Highlights
  • Visual strobe display for tuning
  • Frequency readout in Hz and cents
  • Accurate waterfall strobe panes
  • Concert A reference frequency adjustment
  • Wide tuning range
Read full description

The HotPaw iChromatic Strobe Tuner uses the built-in microphone on your iPhone to allow you to tune a musical instrument rapidly and precisely via an animated visual display. For your iPad, please see the iChromatic Strobe Tuner HD. For guitar tuning, please see the HotPaw inTuna Strobe Guitar Tuner. Both of these apps are also here in the iOS app store. iChromatic includes both a frequency readout and 3 highly accurate and responsive waterfall strobe panes which allow extremely precise tuning. When the waveform patterns line up vertically as well as stop moving sideways in the strobe panes, this indicates that the input pitch (or a strong harmonic of the pitch) matches the frequency of the nearest equal temperament note. With the waterfall strobe tuning window, even very slight differences in frequency between the pitch detected and the target perfect pitch will cause the abstract waveform to waver or move sideways as it cascades down the strobe window. iChromatic also includes a pitch frequency readout in Hz and cents. Configuration options include a Concert A reference frequency adjustment in both Hz and Cents. Please try the Free inTuna A440 app, also in the iOS App store, before purchasing iChromatic, to see if you appreciate the advantages of using a strobe tuner. Tuning range using the built-in iPhone microphone is from 2 octaves above middle-C to 2 octaves below.

About

Grammy One

Access essential updates, deadlines, and voting tools for the Grammy Awards. Stay informed with news, personalized alerts, and live winner updates, all in one convenient place.

Highlights
  • Grammy news and announcements
  • Personalized alerts and reminders
  • Live winner updates
  • Biometric Member Portal login
  • Secure voting for members
Features
Read full description

Stay connected with the Grammy One app — anytime, anywhere. The official Grammy One app gives Recording Academy members and Grammy fans quick access to essential updates, deadlines, and voting tools — all in one place. Features include: • Grammy news and announcements • Personalized alerts and reminders • Live winner updates on Grammy Sunday • Biometric Member Portal login • Secure voting for Grammy Voting members during every round Built to simplify your experience and keep you in the loop, wherever you are.

Screenshots

iChromatic2 screens
Grammy One4 screens

Verdict

The call

The clearest difference is review sentiment: Grammy One at 100% against iChromatic's 50%. Grammy One also leads on price (Free vs $19.99) and rating (4.8 vs 3.0). iChromatic's advantage is iOS requirement (12.0 vs 15.0). On 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

Grammy One is free to download; iChromatic costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Grammy One holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Grammy One has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of iChromatic's written reviews are positive against 100% of Grammy One's.

UpkeepUpdate frequency

iChromatic ships an update every 15 months, Grammy One every 9 days. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

Scorecard7 real differences · 3 level
iChromatic versus Grammy One: the parameters behind the verdict, then further details
ParameteriChromaticGrammy One
Price$19.99Free — better
Rating3.0 (1 ratings)4.8 (24 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings124 — better
Update frequencyEvery 15 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size1 MB156 MB
Age rating4+4+
DeveloperHotPaw ProductionsNational Academy of Recording Arts & Sciences, Inc.

Customer experience

iChromatic

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Grammy One

All ratings24 ratings
Positive95.8%
Neutral0.0%
Negative4.2%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iChromatic

No in-app purchases

None

Grammy One

No in-app purchases

Questions

Is iChromatic free?
iChromatic costs $19.99, with no in-app purchases.
Is Grammy One free?
Grammy One is free to download, with no in-app purchases.
Which has better reviews, iChromatic or Grammy One?
Grammy One is rated higher. iChromatic averages 3.0 out of 5 from 1 ratings, while Grammy One averages 4.8 from 24 ratings.
Do iChromatic or Grammy One have ads?
Neither iChromatic nor Grammy One shows ads.
Which is updated more often, iChromatic or Grammy One?
iChromatic ships an update every 15 months, and Grammy One every 9 days. Most recently, iChromatic was updated on October 8, 2026 and Grammy One on October 13, 2026.

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