Comparison

Kaigyo vs Rakuten Link

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

Head to head
About

Kaigyo

Easily insert line breaks and special characters into your social media posts. Save drafts, convert fonts, and enhance your text for wider expression.

Highlights
  • Smooth line breaks for text input
  • Save drafts for multiple pages
  • Special characters keyboard
  • Font conversion for alphabets and numbers
  • Copy and paste functionality
Features
Read full description

Do you ever find yourself unable to properly insert line breaks when posting text on SNS, resorting to using "*" or "." instead? For those who feel such frustration, an app has been created to facilitate smooth line breaks in text inputs. Hello, I am "Kaigyo". The usage is very simple! Just input the text you want to post in "Kaigyo", click the "Copy Text" button, and then paste it into the text box of the app you're posting to! Not just line breaks! Handy editing features! ・A "Draft" feature that allows you to save texts you want to post on multiple pages. ・A "Special Characters Keyboard" that lets you input hieroglyphs and cute symbols. ・A "Font Conversion" feature that allows changing the font of alphabets and numbers. Please make sure to use these as well. Your range of expression in SNS posts will greatly expand! *Please note that due to changes in specifications of the posting applications, it may become impossible to insert line breaks as intended. We appreciate your understanding in advance.

About

Rakuten Link

This app offers unlimited domestic calling and messaging for subscribers. It also provides access to Rakuten Group services, point rewards, news, and weather updates. Manage your Rakuten points and payments easily within the app.

Highlights
  • Unlimited domestic calls
  • Group messaging up to 100 people
  • Access to Rakuten Group services
  • Earn Rakuten points by viewing ads
  • Participate in campaigns for points
  • News and weather updates
  • Rakuten Cash and Point Card integration
Features
Read full description

Rakuten Link's basic features ■Calls: Unlimited domestic calling Rakuten Mobile subscribers can make unlimited calls and send Link message to Rakuten Link users, as well as to other mobile networks and landline numbers in Japan and in 66 designated countries and regions through Rakuten Link. Calls to mobile phones and landlines including other carriers in Japan are free when calling to a Japanese number (some numbers not included). ■Messages: Fun group messages You can create chat groups with other Rakuten Link users for up to 100 people, and share photos, videos, and documents, as well as messages. ■Home: Your gateway to all of Rakuten Group’s exciting offers and services! As a Rakuten Mobile user, you can now enjoy easier, one-stop access to not only your favorite services in Rakuten Link but also exclusive deals across Rakuten Group services! Call, message, Check data usage and billing, earn points by using the Rakuten Link‘s Super Point Screen, chat with AI, access key Rakuten Group services and do much more - all from one screen! ■my Rakuten Mobile: Manage Account, Check Data Usage & Billing, and Get Customer Support As a Rakuten Mobile user, you can check your data usage, billing information, payment status, and service details anytime. You can also apply for or modify optional services directly in the app. In Customer Support, you can find answers by browsing categories, searching by keyword, or using chat support. *Chat response times may vary depending on inquiry volume. ■Wallet : Check Rakuten point status and access payment services easily Using Rakuten Link's Wallet, you can send Rakuten Cash to anyone, pay and collect Rakuten Points through Rakuten Point Card, quickly check your Point balances such as "Available Points", "Term limited Points", etc., and conveniently access the Rakuten Pay app! ■Rakuten Link Super Point Screen : Earn Rakuten points easily just by looking at ads. This is the Rakuten official “Point Reward” App. You can earn point quickly and effortlessly without any hassle. It’s not just about earning points; you can also discover promotional information and discounts. ■Missions: Earn points by using the app and participating in campaigns! Earn Rakuten points by using the app and participating in exciting campaigns. You can also check Start 1000, SPU (Super Point Up program), and the completion status of Start Bonus. Additionally, follow the Mission Official Account and never miss out on current Point Campaigns and other promotions. Look out for updates from your favorite Official Accounts! ■News: Get news and weather info. You can get the latest news every day and clip news for reading later. You can also check the weather forecast for the area you live in. * Certain numbers may not be supported. A 30-second call costs 22 yen when not using the app.  * Certain numbers may not qualify for free calls. For more detail information, please refer below links (Japanese). https://network.mobile.rakuten.co.jp/service/rakuten-link/index.html How to use https://network.mobile.rakuten.co.jp/guide/rakuten-link/index.html FAQ https://network.mobile.rakuten.co.jp/cms/faq/service/link [Applicable device models/OS] -Compatible with iPhone only (Not compatible with iPad, iPod touch) Please see details from: https://network.mobile.rakuten.co.jp/service/rakuten-link/ --- If a problem occurs, please uninstall the application and try install it again. QR Code is a registered trademark of DENSO WAVE INCORPORATED.

Screenshots

Kaigyo4 screens
Rakuten Link4 screens

Verdict

The call

The clearest difference is review sentiment: Kaigyo at 100% against Rakuten Link's 32%. Kaigyo also leads on rating (4.9 vs 4.4). Rakuten Link's advantage is in-app purchases (none vs 3). On price, ratings volume, update cadence 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. Kaigyo sells 3 one-off in-app purchases. Rakuten Link asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kaigyo holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 203 and 280 respectively. Written reviews point the same way: 100% of Kaigyo's written reviews are positive against 32% of Rakuten Link's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Kaigyo versus Rakuten Link: the parameters behind the verdict, then further details
ParameterKaigyoRakuten Link
PriceFreeFree
Rating4.9 (203 ratings) — better4.4 (280 ratings)
Positive reviews100.0% of reviews — better32.3% of reviews
Number of ratings203280 — better
Update frequencyMonthlyMonthly
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.016.0 — better
Further details — not scored
Size67 MB369 MB
Age rating4+4+
DeveloperShintaro MorikawaRakuten Group, Inc.

Customer experience

Kaigyo

All ratings203 ratings
Positive98.0%
Neutral0.5%
Negative1.5%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Rakuten Link

All ratings279 ratings
Positive83.5%
Neutral5.0%
Negative11.5%
Written reviews93 reviews
Positive32.3%
Neutral9.7%
Negative58.1%

In-app purchases

3 purchases

Kaigyo

One-time3
  • Hide all ads$1.99
  • Increase pages$1.99
  • Further increase pages$1.99
None

Rakuten Link

No in-app purchases

Questions

Is Kaigyo free?
Kaigyo is free to download, with in-app purchases available.
Is Rakuten Link free?
Rakuten Link is free to download, with no in-app purchases.
Which has better reviews, Kaigyo or Rakuten Link?
Kaigyo is rated higher. Kaigyo averages 4.9 out of 5 from 203 ratings, while Rakuten Link averages 4.4 from 280 ratings.
Do Kaigyo or Rakuten Link have ads?
Both Kaigyo and Rakuten Link show ads.
Which is updated more often, Kaigyo or Rakuten Link?
Kaigyo ships an update monthly, and Rakuten Link monthly. Most recently, Kaigyo was updated on October 22, 2026 and Rakuten Link on October 25, 2026.

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