Comparison

Cardbal vs BookSide

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

Head to head
About

Cardbal

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Check your transit card balance on iPhone with NFC. CardBal reads supported transit and stored-value cards, showing balance, card details, and trip data where available. Supported cards include: Japan (FeliCa): Suica, PASMO, ICOCA, SUGOCA, nimoca, Kitaca, manaca, TOICA, Hayakaken, SAPICA, IruCa, and more. Japan (SV / e-money): nanaco, Rakuten Edy, WAON. Greater China (T-Union): 300+ city cards, including Beijing, Shanghai, Guangzhou, Shenzhen, and more. Hong Kong: Octopus. South Korea (KSX6924): T-money, EZL, Cashbee. France (Calypso): Lignes d'Azur. Ideal for travel, commuting, and checking card balance before you tap.

About

BookSide

Features
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BookSide is a family reading and growth platform built around a shared home library. Create a family space, add books, and let each family member keep their own reading status and records. Save reviews and excerpts, listen to audio, read ebooks, and revisit your family's reading journey through growth insights. Key features: โ€ข Shared family bookshelf โ€ข Individual reading status and interests โ€ข Reading logs and growth history โ€ข Book reviews and excerpts โ€ข Audio, narration, and ebook support โ€ข Private family content with optional public sharing

Screenshots

Cardbal4 screens
BookSide4 screens

Verdict

The call

The clearest difference is in-app purchases: Cardbal at none against BookSide's 3. BookSide's advantage is update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. BookSide sells 3 in-app purchases, starting at $3.99 per month. Cardbal asks for nothing beyond the download.

UpkeepUpdate frequency

Cardbal ships an update every 2 weeks, BookSide every 2 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

Scorecard2 real differences ยท 4 level
Cardbal versus BookSide: the parameters behind the verdict, then further details
ParameterCardbalBookSide
PriceFreeFree
Update frequencyEvery 2 weeksEvery 2 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS16.0 โ€” better17.0
Further details โ€” not scored
Size50 MB21 MB
Age rating4+4+
DeveloperKitta Co.ๆญๅทžๅผ•ๅŠ›็ฝ‘็ปœๆŠ€ๆœฏๆœ‰้™ๅ…ฌๅธ

In-app purchases

None

Cardbal

No in-app purchases

3 purchases

BookSide

Subscriptions2
  • Monthly VIP$3.991 Month
  • Yearly VIP$39.991 Year
One-time1
  • VIP Lifetime$79.99

Questions

Is Cardbal free?
Cardbal is free to download, with no in-app purchases.
Is BookSide free?
BookSide is free to download, with in-app purchases available.
Do Cardbal or BookSide have ads?
Neither Cardbal nor BookSide shows ads.
Which is updated more often, Cardbal or BookSide?
Cardbal ships an update every 2 weeks, and BookSide every 2 days. Most recently, Cardbal was updated on October 15, 2026 and BookSide on October 9, 2026.

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