Comparison

Rakuten Link Office vs ZIP ONE

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

Head to head
About

Rakuten Link Office

This app provides unlimited free calls and messages for Rakuten Mobile corporate plan subscribers. It allows group chats, file sharing, and contact synchronization. International communication is available with pay-as-you-go billing.

Highlights
  • Unlimited free calls and messages
  • Group chats up to 100 people
  • Photo, video, and document sharing
  • Contact synchronization
  • International communication options
Features
Read full description

This app offers unlimited free calls and messages for Rakuten Mobile corporate cellular plan subscribers. Core features: ・Rakuten Mobile Corporate subscribers can make unlimited calls and send Link message to Rakuten Link Office users, as well as to other mobile networks and landline numbers in Japan. Calls to mobile phones and landlines including other carriers in Japan are free when calling to a Japanese number (some numbers not included). ・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. ・Register and edit contacts in sync with the default address book on your phone. Please note: ・Communication from Japan to overseas and from overseas to overseas with pay-as-you-go billing by country / region (SMS to countries and regions covered overseas is free). ・Emergency calls not available when in overseas roaming areas. ・Usage charges, overseas roaming (data communication) and international calls, and international SMS service areas and provision conditions are subject to change without notice. For more detailed information, please refer to links below(Japanese): https://business.mobile.rakuten.co.jp/service/rakuten-link-office/ ・Activation Manual How to setup Rakuten Link Office on compatible iPhone models (Not compatible with iPad, iPod touch) https://business.mobile.rakuten.co.jp/support/link/setting/activation-ios/ ・How to use https://business.mobile.rakuten.co.jp/support/link/manual/guide-rakuten-link ・FAQ https://business.mobile.rakuten.co.jp/support/ ・Sending feedback/Support request Please consider logging out and back into the app or reinstalling it as well. https://business.mobile.rakuten.co.jp/support/link/manual/feedback-ios/ --- QR Code is a registered trademark of DENSO WAVE INCORPORATED.

About

ZIP ONE

Features
Read full description

ZIP ONE is a utility app that lets you compress files and photos into ZIP archives easily and securely. It supports standard ZIP as well as AES‑256 encrypted ZIP files, making it reliable for both business and personal use. ● Create ZIP files from photos (automatic HEIC → JPEG conversion) Simply select your photos to convert and compress them. Image format conversion is handled automatically. ● Automatically remove personal information from photos EXIF data such as location and capture time is removed to ensure safe sharing. ● Enhanced password management Supports automatic password generation, history, visibility toggle, and one‑tap copy. Password handling during ZIP creation is now smoother and more convenient. The Free version shows the latest 3 entries, while PRO unlocks unlimited history. ● Even more powerful with PRO Enjoy an ad‑free experience with no usage limits, making ZIP ONE a dependable tool for work as well. Experience a simple and secure ZIP creation workflow with ZIP ONE.

Screenshots

Rakuten Link Office4 screens
ZIP ONE4 screens

Verdict

The call

The clearest difference is in-app purchases: Rakuten Link Office at none against ZIP ONE's 2. Rakuten Link Office also leads on iOS requirement (14.5 vs 16.0). ZIP ONE's advantage is update cadence (weekly vs every 4 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. ZIP ONE sells 2 one-off in-app purchases. Rakuten Link Office asks for nothing beyond the download.

UpkeepUpdate frequency

Rakuten Link Office ships an update every 4 months, ZIP ONE weekly. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Rakuten Link Office versus ZIP ONE: the parameters behind the verdict, then further details
ParameterRakuten Link OfficeZIP ONE
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews37.3% of reviews—
Number of ratings3 — better—
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS14.5 — better16.0
Further details — not scored
Size148 MB5 MB
Age rating4+12+
DeveloperRakuten Group, Inc.Atsushi Takagaki

In-app purchases

None

Rakuten Link Office

No in-app purchases

2 purchases

ZIP ONE

One-time2
  • Usage Pack 10$0.49
  • ZIP ONE Pro$2.99

Questions

Is Rakuten Link Office free?
Rakuten Link Office is free to download, with no in-app purchases.
Is ZIP ONE free?
ZIP ONE is free to download, with in-app purchases available.
Do Rakuten Link Office or ZIP ONE have ads?
Neither Rakuten Link Office nor ZIP ONE shows ads.
Which is updated more often, Rakuten Link Office or ZIP ONE?
Rakuten Link Office ships an update every 4 months, and ZIP ONE weekly. Most recently, Rakuten Link Office was updated on September 22, 2026 and ZIP ONE on September 9, 2026.

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