Comparison

Rock Drum Machine Lite vs String Theory

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

Head to head
About

Rock Drum Machine Lite

Transform your device into a powerful rock drumming tool. Access high-quality drum sounds and a variety of rhythms for instant power drumming. Easily create and customize your own beats.

Highlights
  • High-quality rock drum sounds
  • Extensive rhythm library
  • Easy rhythm editing
  • Pattern mode for component beats
  • Groove Edit Mode for subdivisions
Features
Read full description

Rock Drum Machine Lite will no longer receive updates. Get Rock Drum Machine 7, now free to download with a 7-day free trial, then unlock it once. Turn your iPhone or iPad into a solid Rock Drummer. Top quality and powerful drum sounds, with lots of rhythms to get power drumming grooves easily in a flash. The best drum machine for Rock... for FREE!!! You can edit or create your own rhythms very easily in two modes: * Edit Mode allows you to edit the whole rhythm quickly. * Patterns Mode allows you to set the patterns for each component (hihat/ride cymbal, snare or kick )easily with a wheel. Combine the best acoustic drum sounds with any rhythm to get top inspiring rocky grooves. * In Groove Edit Mode you can set any subdivision to any beats. Just do a long press on the time until it shows a red border and drag up or down to rest or add notes. EASY and QUICK!

About

String Theory

This app helps guitarists explore scales and chords with an interactive fretboard. It allows users to compare scales, test custom tunings, and record riff ideas. The tool is designed for practicing improvisation, learning theory, and saving musical inspiration.

Highlights
  • Interactive guitar fretboard with scale mapping
  • Scale and Chord Finder tools
  • Custom tunings with octave control
  • Riff recording and vault organization
  • Left-handed mode
  • Scale comparison overlay
Features
Read full description

String Theory is a focused guitar tool for exploring scales, visualizing the fretboard, matching chords, and capturing riff ideas without clutter. Build better fretboard awareness with an interactive scales map, compare two scales at once, test custom tunings, and find compatible chords in seconds. When inspiration hits, record the idea and save it to your riff vault with notes and playback. Features: • Interactive guitar fretboard with scale mapping • Major, harmonic minor, melodic minor, and pentatonic scale families • Scale Finder and Chord Finder tools • Chords-to-scales matching • Add a second scale overlay for comparison • Custom tunings with per-string octave control • Left-handed fretboard mode • Fullscreen fretboard view • Riff recording, playback, rename, share, and vault organization • Light/dark mode, 3 color themes, haptics, and a polished liquid glass interface Whether you’re practicing improvisation, learning theory, or saving new ideas, String Theory keeps the essential guitar tools in one fast, modern app.

Screenshots

Rock Drum Machine Lite4 screens
String Theory4 screens

Verdict

The call

The clearest difference is price: Rock Drum Machine Lite at Free against String Theory's $1.99. Rock Drum Machine Lite also leads on ratings volume (130 vs 1) and iOS requirement (16 vs 26.0). String Theory's advantage is rating (5.0 vs 4.3) and review sentiment (100% vs 85%). 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

Rock Drum Machine Lite is free to download; String Theory costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

String Theory holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Rock Drum Machine Lite has 130 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of Rock Drum Machine Lite's written reviews are positive against 100% of String Theory's.

Scorecard6 real differences · 4 level
Rock Drum Machine Lite versus String Theory: the parameters behind the verdict, then further details
ParameterRock Drum Machine LiteString Theory
PriceFree — better$1.99
Rating4.3 (130 ratings)5.0 (1 ratings) — better
Positive reviews85.2% of reviews100.0% of reviews — better
Number of ratings130 — better1
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS16 — better26.0
Further details — not scored
Size55 MB10 MB
Age rating4+4+
DeveloperLumbeatDANIEL NIKOLAS SZTURM

Customer experience

Rock Drum Machine Lite

All ratings130 ratings
Positive85.4%
Neutral7.7%
Negative6.9%
Written reviews459 reviews
Positive85.2%
Neutral8.5%
Negative6.3%

String Theory

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Rock Drum Machine Lite

Reported bugs

2 issues
  • Incompatibility with certain audio apps
  • Crashes or freezes on some devices

Requested features

4 requests
  • More free bars/time in lite version
  • Ability to save/load custom beats
  • Integration with other music apps
  • More drum kit/sound options

String Theory

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Rock Drum Machine Lite

No in-app purchases

None

String Theory

No in-app purchases

Questions

Is Rock Drum Machine Lite free?
Rock Drum Machine Lite is free to download, with no in-app purchases.
Is String Theory free?
String Theory costs $1.99, with no in-app purchases.
Which has better reviews, Rock Drum Machine Lite or String Theory?
String Theory is rated higher. Rock Drum Machine Lite averages 4.3 out of 5 from 130 ratings, while String Theory averages 5.0 from 1 ratings.
Do Rock Drum Machine Lite or String Theory have ads?
Neither Rock Drum Machine Lite nor String Theory shows ads.

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