Comparison

Studio Calculator vs PLAYnJAM

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

Head to head
About

Studio Calculator

This app provides fast, smart, and accurate music-related calculations for audio professionals. It intelligently determines results based on the values you input, eliminating the need to search external resources. Stay focused on your work with instant answers for tempo, delay, pitch, duration, and more.

Highlights
  • BPM & tempo calculations
  • Delay & phase alignment
  • Time-stretch & pitch shift
  • Duration & file size
  • Frequency to MIDI note
  • Frame-based timing
  • Tap tempo input
Features
Read full description

Studio Calculator is your go-to app for fast, smart, and accurate music-related calculations. Simply add the values you know and the app will intelligently figure out what it can calculate for you.. No more digging through menus or websites mid-session. Stay in focus and get instant answers for: BPM & tempo calculations Delay & phase alignment Time-stretch & pitch shift Duration & file size Frequency to MIDI note Frame-based timing for video ...and much more ### Real-World Examples: • Microphone delay in samples? Just enter the distance in meters. The app gives you time in seconds, samples, and more (automatically adjusted to your sample rate) • Need all delay times for a BPM? Tap or enter the BPM—see delay times in ms, seconds, or Hz instantly. • Have a 2-bar loop and want the BPM? Enter the loop length in seconds or samples and the number of bars and get the correct BPM for any time signature. • Changing from 440 Hz to 432 Hz? Input both frequencies and get the pitch shift in semitones and the time-stretch percentage. • Song duration from BPM and bars? Enter BPM and bar count, total time is calculated. • Working in 6/8? Input your metronome tempo to get the DAW’s BPM. • Total time of multiple songs? Add all times and get the sum. • Need to know disk space for a 75-minute multitrack? Enter the time, set your sample rate, bit depth, and channel count; your file size is calculated. ### Features: • Clean, minimalist UI with dark mode • Copy any result and reuse it as new input. • Tap tempo input for fast and accurate BPM entry • Supports irregular, simple, and compound time signatures • Accurate 64-bit floating-point calculations • Share an image of your calculation • Built-in support for 9 standard frame rates • Frequency -> MIDI note conversion • File size calculations based on duration and audio specs • Customizable: sample rate, bit depth, channel count, time signature, tuning and frame rate • Collapsible results for a clean overview ### The Studio Calculator is your perfect assistant. Give it the values you have, and it will calculate everything there is to know. More calculations are coming! If you’re missing a calculation, let us know, your feedback is much appreciated.

About

PLAYnJAM

Read full description

Become a real pianist now! and Discover the Music band. A lot of fun, with Two Play modes: Playmode 1: iPad alone Play Piano tiles game or Play 8 different instruments. Piano, Rock Organ, Church organ, Strings, Guitar, Pan Flute, Trumpet, Synth Each songs have 3 different arrangements Pop, Hip hop, or Electro and are progressive. Playmode 2: Connect in Bluetooth the non included iDance Keyboard Controller PLAYKEYS25 and Enjoy a real 25 keys high quality keyboard, with direct access to the 8 instruments, and discover 10 more instruments to play, without any inapp. All Menu pages can be accessed from your PLAYKEYS25 as well. How fun is it to capture the most precious moments of the year with a wink of rhythms? Let’s MUSIC your soul with the beat of most popular kid’s songs. 
 PLAYnJAM key features: 
Appealing, modern and diverse music genres to satisfy every music taste! 8 instruments to play the solo in direct access during demo mode, learn mode or game mode. We have 3x styles per songs: Pop, Hip hop, or Electro, hear the music like you never heard it before. Discover instruments mode (when connected to the iDance PLAYKEYS25 keyboard) with total of 18 instruments Discover Instruments mode includes cartoon video to present the instruments Learning mode have 3 speeds, learn at your pace. 
 Game’s rules: 1. Tap the correct keys 2. Avoid the wrong keys 3. Play on time, you can lower the tempo So, get ready to try out the most challenging piano game for free! 
Besides, to improve the game’s performance and offer a customized user experience, It is recommended to use the iDance PLAYKEYS25 Keyboard. Support: Are you having any problems? Send the email to info@idanceintl.com or contact us on our web site. 
PLAYnJAM is from iDance, the number one Karaoke and Musical instruments company for Youngster and teenagers. Music lovers can interact with hundred of our gear in our ecosystem. At iDance, we believe that it is YOUR MUSIC, it is YOUR STYLE – MUSIC is Easy, MUSIC is Fun.

Screenshots

Studio Calculator4 screens
PLAYnJAM4 screens

Verdict

The call

The clearest difference is price: PLAYnJAM at Free against Studio Calculator's $1.99. PLAYnJAM also leads on iOS requirement (13.4 vs 15.6). Studio Calculator's advantage is update cadence (every 5 weeks vs every 2 months). 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

PLAYnJAM is free to download; Studio Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Studio Calculator ships an update every 5 weeks, PLAYnJAM every 2 months. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

Scorecard3 real differences · 6 level
Studio Calculator versus PLAYnJAM: the parameters behind the verdict, then further details
ParameterStudio CalculatorPLAYnJAM
Price$1.99Free — better
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.4 — better
Further details — not scored
Size3 MB147 MB
Age rating4+4+
DeveloperThe RedHouse AppsiDance

In-app purchases

None

Studio Calculator

No in-app purchases

None

PLAYnJAM

No in-app purchases

Questions

Is Studio Calculator free?
Studio Calculator costs $1.99, with no in-app purchases.
Is PLAYnJAM free?
PLAYnJAM is free to download, with no in-app purchases.
Do Studio Calculator or PLAYnJAM have ads?
Neither Studio Calculator nor PLAYnJAM shows ads.
Which is updated more often, Studio Calculator or PLAYnJAM?
Studio Calculator ships an update every 5 weeks, and PLAYnJAM every 2 months. Most recently, Studio Calculator was updated on September 18, 2026 and PLAYnJAM on June 1, 2026.

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