Comparison

Rat Zone vs 100 Music

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

Head to head
About

Rat Zone

Experience a virtual conditioning experiment with your own digital rat. Explore Pavlovian and instrumental conditioning concepts, and see how your rat's behavior changes with treats and augmented reality interactions.

Highlights
  • Virtual rat conditioning experiments
  • Pavlovian conditioning concepts
  • Instrumental conditioning concepts
  • Augmented Reality mode
  • Behavioral observation
  • Interactive treat feeding
Features
Read full description

Rat zone helps you experience a conditioning experiment first hand with your own virtual rat! Explore both pavlovian and Instrumental conditioning concepts and learn about the psychology behind the "Pavlov's Dogs" experiment. Bring your rat to life in the optional Augmented Reality mode, then collect crumbs from the flying cake bots and watch your rat's behaviours change as you feed it delicious treats!

About

100 Music

Features
Read full description

InstrumentLearn is an educational app where kids can learn about 100 different musical instruments while having fun! Features: - 100 beautifully illustrated instruments including piano, guitar, violin, and more - Listen to each instrument! Real sounds bring every instrument to life - Available in 10 languages (Japanese, English, Chinese, Korean, Spanish, French, German, Portuguese, Traditional Chinese, Arabic) - Learn with flashcards - Name Quiz: identify instruments from illustrations - Sound Quiz: listen to sounds and guess the instrument — a unique new quiz mode! - Track progress with the collection feature Start your adventure into the world of musical instruments! A Learning Report for parents shows your child's favourites, the kinds of things they are drawn to, and a record of the last two weeks. It stays on the device and is never sent anywhere. One app, ten languages (Japanese, English, Simplified Chinese, Traditional Chinese, Korean, Spanish, French, German, Portuguese, Arabic). Switch with one tap from the home screen — perfect for bilingual families, heritage language learners, and travel. Premium unlocks the full collection and adds auto read-aloud, which turns the cards and speaks each name hands-free — handy in the car or at bedtime. Ages 5 & Under. No data collected. No ads. No third-party SDKs. Parental Gate (multiplication challenge) protects external links.

Screenshots

Rat Zone4 screens
100 Music4 screens

Verdict

The call

The clearest difference is in-app purchases: Rat Zone at none against 100 Music's 1. Rat Zone also leads on iOS requirement (14.0 vs 17.0). 100 Music's advantage is update cadence (every 4 days vs every 8 months). 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. 100 Music sells 1 one-off in-app purchase. Rat Zone asks for nothing beyond the download.

UpkeepUpdate frequency

Rat Zone ships an update every 8 months, 100 Music every 4 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Rat Zone versus 100 Music: the parameters behind the verdict, then further details
ParameterRat Zone100 Music
PriceFreeFree
Rating4.3 (19 ratings) — better—
Positive reviews90.9% of reviews—
Number of ratings19 — better—
Update frequencyEvery 8 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size123 MB77 MB
Age rating4+4+
Developerarludo Pty LtdSami Kuribara

In-app purchases

None

Rat Zone

No in-app purchases

1 purchases

100 Music

One-time1
  • Premium - All 100 Instruments$3.99

Questions

Is Rat Zone free?
Rat Zone is free to download, with no in-app purchases.
Is 100 Music free?
100 Music is free to download, with in-app purchases available.
Do Rat Zone or 100 Music have ads?
Neither Rat Zone nor 100 Music shows ads.
Which is updated more often, Rat Zone or 100 Music?
Rat Zone ships an update every 8 months, and 100 Music every 4 days. Most recently, Rat Zone was updated on November 6, 2026 and 100 Music on November 5, 2026.

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