Comparison

Sapphirus LearningChain vs BubbleBooks

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

Head to head
About

Sapphirus LearningChain

This app allows students to securely store their blockchain-based digital certificates in a personal wallet. Certificates can be easily shared on social networks or sent for verification using a simple QR code scan.

Highlights
  • Blockchain digital certificate storage
  • Personal certificate wallet
  • Social network sharing
  • Verification certificate sharing
  • QR code scanning for storage
Features
Read full description

Learningchain, a blockchain digital certificate wallet enables students to store their block chain digital certificates in their personal storage. One can share the certificates on social network, share to verification certificates. Store your certificates with simple QR code scan.

About

BubbleBooks

This app offers an interactive learning experience for children, combining classic stories, music, and creative activities. It aims to foster reading skills and imagination through engaging narration, sing-along songs, and bubble-popping art. Kids can explore timeless tales and bring stories to life with interactive elements.

Highlights
  • Classic tales and nursery rhymes
  • Narration with highlighted text
  • Interactive sing-along songs
  • Bubble-popping painting activities
  • Interactive movie creation
Features
Read full description

Spark Imagination & Build Confidence with BubbleBooks! Enter a colorful world where stories come alive, music inspires learning, and creativity knows no bounds. BubbleBooks makes learning engaging by combining classic tales, friendly narration, and interactive fun—all designed to help kids develop essential reading skills and a lifelong love for books. With BubbleBooks, your child can: • Explore timeless tales: Folk stories, nursery rhymes, and inspiring Bible stories that captivate young minds. • Follow along with narration & highlighted text: Boost comprehension and build reading confidence in a fun, supportive way. • Sing along to joyful songs: Music meets language learning with catchy tunes that reinforce key words and expand vocabulary. • Create colorful masterpieces: Interactive painting lets kids bring stories to life by swiping, popping, and swirling vibrant bubbles. • Interact with movies: Short, engaging films let kids add their own creative touch as they watch and play. BubbleBooks turns reading into an exciting adventure—one story, song, and bubble at a time! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sapphirus LearningChain4 screens
BubbleBooks4 screens

Verdict

The call

The clearest difference is in-app purchases: Sapphirus LearningChain at none against BubbleBooks's 2. Sapphirus LearningChain also leads on iOS requirement (12.0 vs 16.1). BubbleBooks's advantage is update cadence (every 6 days vs every 3 months). On price, rating, ratings volume and ads 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. BubbleBooks sells 2 in-app purchases, starting at $4.99 per month. Sapphirus LearningChain asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Sapphirus LearningChain against 5.0 for BubbleBooks. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Sapphirus LearningChain ships an update every 3 months, BubbleBooks every 6 days. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 5 level
Sapphirus LearningChain versus BubbleBooks: the parameters behind the verdict, then further details
ParameterSapphirus LearningChainBubbleBooks
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 3 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.1
Further details — not scored
Size25 MB23 MB
Age rating4+4+
DeveloperSapphirus Systems Pvt LtdNeon Noise Lab

Customer experience

Sapphirus LearningChain

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

BubbleBooks

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sapphirus LearningChain

No in-app purchases

2 purchases

BubbleBooks

Subscriptions2
  • Monthly$4.991 Month
  • Yearly$44.991 Year

Questions

Is Sapphirus LearningChain free?
Sapphirus LearningChain is free to download, with no in-app purchases.
Is BubbleBooks free?
BubbleBooks is free to download, with in-app purchases available.
Which has better reviews, Sapphirus LearningChain or BubbleBooks?
Sapphirus LearningChain and BubbleBooks are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Sapphirus LearningChain or BubbleBooks have ads?
Neither Sapphirus LearningChain nor BubbleBooks shows ads.
Which is updated more often, Sapphirus LearningChain or BubbleBooks?
Sapphirus LearningChain ships an update every 3 months, and BubbleBooks every 6 days. Most recently, Sapphirus LearningChain was updated on October 30, 2026 and BubbleBooks on November 4, 2026.

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