Comparison

Sting 25 vs Intervals and Chords

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

Head to head
About

Sting 25

Explore the 25-year solo career of a renowned musician through exclusive concert footage, interviews, and personal stories. Discover influences, activism, and artistry with unparalleled access to rare photos and handwritten lyrics.

Highlights
  • Exclusive concert footage
  • Behind-the-scenes access
  • In-depth interviews
  • Handwritten lyrics and journal entries
  • 360 degree instrument views
  • Chronological career chapters
Features
Read full description

To celebrate his 60th birthday, Sting performed at the Beacon Theatre with friends including Bruce Springsteen, Lady Gaga, Stevie Wonder, Robert Downey, Jr., and many more. In Sting 25, watch exclusive footage of performances from the benefit concert, then dive into an exploration of Sting's 25 year solo career: the life, influences, activism and artistry of one of the greatest musicians of our time. With unparalleled access to seminal performances, rare photos, and personal stories, this comprehensive appumentary depicts the past 25 years of Sting’s career as a renowned musician and humanitarian. Discover the evolution of Sting’s solo career, the influences that have shaped his music, and his ongoing efforts as a global citizen and activist. The many facets of his career come to life in this appumentary through handwritten lyrics and journal entries, rare and intimate photos, in-depth interviews, and a variety of live concert footage, including EXCLUSIVE, all-star performances from his Sixtieth Birthday Celebration at the Beacon Theatre. • Exclusive concert footage and behind-the-scenes access from Sting’s Sixtieth Birthday Celebration to benefit the Robin Hood Foundation, at New York City’s Beacon Theatre, featuring performances by: Bruce Springsteen, Lady Gaga, Stevie Wonder, Rufus Wainwright, Herbie Hancock, and Branford Marsalis. • Using dual-screen AirPlay, experience these performances wirelessly on your television while exploring additional content on your iPad. • Discover hours of concert footage, exclusive interviews, photos, music videos, and more in ten chronological chapters. • Learn about the inspirations, collaborations, and charitable endeavors that have shaped Sting’s 25 year solo career. • Interact with Sting’s signature instruments through 360 degree views and high definition zoom images. • Listen to Sting’s albums from your iPad’s library while browsing the app – you can also sample songs from each of his solo albums and purchase directly from the iTunes store. Sting 25 is generously supported by Chevrolet, with access provided by American Express, designed and developed by @radical.media.

About

Intervals and Chords

This music theory app helps musicians of all levels visualize and understand chords. It features real-time chord detection, key selection, and enhanced visualization for deeper harmonic exploration.

Highlights
  • Real-time chord detection
  • Key selection for chord adaptation
  • Enhanced chord rendering
  • Exploration of inversions and voicings
  • Instant musical feedback
Features
Read full description

Explore harmony wherever you practise. Intervals and Chords identifies possible chords from the notes you are holding and gives you immediate visual feedback on iPhone and iPad. Play the onscreen piano or connect a compatible MIDI controller to explore chords, intervals and musical notation wherever you are. SEE WHAT YOU’RE PLAYING
 • Identify complete chords and inversions 
• View note names and the intervals that shape each chord 
• Compare multiple valid interpretations of the same notes 
• See notes written on treble and bass staves
 • Highlight notes belonging to your selected major key LEARN IN CONTEXT 
Choose from 15 major keys, or use a keyless mode that prefers flats or sharps. Optional Roman-numeral scale degrees help connect each chord to the selected key. Valid chords outside that key are clearly identified without treating them as mistakes. GO DEEPER WHEN YOU’RE READY 
Advanced interpretation options can identify incomplete and rootless voicings or detect played scales. Beginner-friendly defaults keep complete chords and inversions at the top, so the most useful answers appear first. MADE FOR IPHONE AND IPAD
 Use the app as a portable music-theory companion at your instrument, in a lesson or while practising away from your desk. The interface adapts to iPhone and iPad, with support for accessible text and VoiceOver. Intervals and Chords analyses the notes currently held. It does not analyse chord progressions or attempt to determine a chord’s musical function within a composition.

Screenshots

Sting 253 screens
Intervals and Chords4 screens

Verdict

The call

The clearest difference is price: Sting 25 at Free against Intervals and Chords's $5.99. Sting 25 also leads on iOS requirement (8.0 vs 15.0). Intervals and Chords's advantage is rating (4.8 vs 3.9) and review sentiment (83% vs 65%). On ratings volume, update cadence, ads and in-app purchases 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

Sting 25 is free to download; Intervals and Chords costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Intervals and Chords holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 15 and 10 respectively. Written reviews point the same way: 65% of Sting 25's written reviews are positive against 83% of Intervals and Chords's.

UpkeepUpdate frequency

Sting 25 ships an update monthly, Intervals and Chords every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Sting 25 versus Intervals and Chords: the parameters behind the verdict, then further details
ParameterSting 25Intervals and Chords
PriceFree — better$5.99
Rating3.9 (15 ratings)4.8 (10 ratings) — better
Positive reviews64.5% of reviews83.3% of reviews — better
Number of ratings15 — better10
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size1.6 GB17 MB
Age rating4+4+
DeveloperRadicalMedia, LLCInstinctive

Customer experience

Sting 25

All ratings14 ratings
Positive71.4%
Neutral7.1%
Negative21.4%
Written reviews124 reviews
Positive64.5%
Neutral8.1%
Negative27.4%

Intervals and Chords

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Bugs and requests

Sting 25

Reported bugs

13 issues
  • Concert video playback fails or crashes
  • No audio or sound in video content
  • App hangs at splash screen and won't load
  • Videos freeze and buffer continuously
  • App crashes when tapping on concert footage
Show 8 more
  • Downloaded videos won't play after updates
  • App becomes unresponsive and requires force-quit
  • Incompatibility with iOS 11+ and newer iOS versions
  • Purchase links redirect to iTunes instead of in-app purchase
  • App icon remains after deletion and cannot be reinstalled
  • Voice-over accessibility completely disabled
  • Slow loading of images and content
  • Music stops playing when switching apps

Requested features

9 requests
  • Full concert performances available for purchase or download
  • Release entire concert on Blu-Ray
  • Regular content updates with new concert footage and behind-the-scenes material
  • Ability to purchase and download birthday concert performances
  • Background music persistence when switching between apps
Show 4 more
  • Better accessibility support for vision-impaired users
  • Improved video streaming performance
  • Information on acting projects and collaborations
  • Offline playback capability for downloaded videos

Intervals and Chords

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Sting 25

No in-app purchases

None

Intervals and Chords

No in-app purchases

Questions

Is Sting 25 free?
Sting 25 is free to download, with no in-app purchases.
Is Intervals and Chords free?
Intervals and Chords costs $5.99, with no in-app purchases.
Which has better reviews, Sting 25 or Intervals and Chords?
Intervals and Chords is rated higher. Sting 25 averages 3.9 out of 5 from 15 ratings, while Intervals and Chords averages 4.8 from 10 ratings.
Do Sting 25 or Intervals and Chords have ads?
Neither Sting 25 nor Intervals and Chords shows ads.
Which is updated more often, Sting 25 or Intervals and Chords?
Sting 25 ships an update monthly, and Intervals and Chords every 2 months. Most recently, Sting 25 was updated on November 1, 2026 and Intervals and Chords on November 3, 2026.

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