Airレジ (Airregi) vs Otter vs POS+ (Postas) vs Smaregi

Airレジ (Airregi) is a point-of-sale app for iPad from Recruit that handles orders, checkout, sales reporting, inventory and customer records. Otter started as a tablet that gathers orders from delivery apps and is now sold as a restaurant point of sale system. POS+ (ポスタス, Postas) is a cloud, tablet-based point-of-sale system made by Postas Co., Ltd. Smaregi (スマレジ) is a cloud POS register that runs on iPad and iPhone and is used by restaurants, retailers, clinics and salons, mainly in Japan. All four are listed under Restaurant POS. Where the profiles show a difference, it is in price, audience and platforms.

Key differences

  • price

    On price, Otter at USD 79 per location per month; Smaregi at JPY 5,500 per store per month (tax included). These figures are not directly comparable because the currency or billing basis is not the same. Airレジ (Airregi) and POS+ (Postas) do not publish a starting price.

  • audience

    Not every audience is shared. Entries that only one product lists: Airレジ (Airregi): Small restaurants, cafes and bars in Japan; Otter: Quick service and fast casual restaurants taking online orders; POS+ (Postas): Restaurants of any size in Japan; Smaregi: Restaurants and cafes in Japan.

  • platforms

    Listed platforms: Airレジ (Airregi): Web, iOS; Otter: Web, iOS, Android; POS+ (Postas): Web, iOS, Android; Smaregi: Web, iOS.

  • countries covered

    Airレジ (Airregi) names 1 country, Otter names 4 countries, POS+ (Postas) names 1 country and Smaregi names 1 country. No country appears in every list.

  • integrations

    On integrations, Airレジ (Airregi) names 8 integrations, Otter names 34 integrations, POS+ (Postas) names 12 integrations and Smaregi names 24 integrations. No partner appears in every list.

  • company background

    By headquarters, Airレジ (Airregi) (Japan), Otter (Los Angeles, United States), POS+ (Postas) (Tokyo (Chuo-ku, Tsukiji), Japan) and Smaregi (Osaka, Japan).

Side by side

Airレジ (Airregi) vs Otter vs POS+ (Postas) vs Smaregi: side-by-side comparison from published vendor information
FieldAirレジ (Airregi)OtterPOS+ (Postas)Smaregi
What it isAirレジ (Airregi) is a point-of-sale app for iPad from Recruit that handles orders, checkout, sales reporting, inventory and customer records.Otter started as a tablet that gathers orders from delivery apps and is now sold as a restaurant point of sale system.POS+ (ポスタス, Postas) is a cloud, tablet-based point-of-sale system made by Postas Co., Ltd.Smaregi (スマレジ) is a cloud POS register that runs on iPad and iPhone and is used by restaurants, retailers, clinics and salons, mainly in Japan.
Best forSmall restaurants, cafes and bars in Japan; Restaurants adding mobile ordering; Shops moving from a basic cash registerQuick service and fast casual restaurants taking online orders; Restaurants on several delivery apps; Food stands, small cafes and food trucks; Multi-store and high-volume restaurantsRestaurants of any size in Japan; Izakaya, yakiniku, ramen, cafe and fast-food operators; Restaurant chains replacing a POS across many stores; Venues that want self-order or self-checkoutRestaurants and cafes in Japan; Single-store shops starting on a free plan; Multi-store chains
Pricing modelFree with paid add-onsSubscription per locationQuote onlySubscription per store
Starting priceNot publishedUSD 79 per location per monthNot publishedJPY 5,500 per store per month (tax included)
Free planYesNot publishedNot publishedYes
Free trialNot publishedNot publishedNot publishedYes
ContractNot publishedMonthly plans renew monthly; hardware leases need 24 monthsNot publishedNot published
PlatformsWeb, iOSWeb, iOS, AndroidWeb, iOS, AndroidWeb, iOS
CountriesJapanAustralia, Canada, United Kingdom, United StatesJapanJapan
LanguagesJapaneseNot publishedNot publishedJapanese
Number of integrations8341224
CertificationsNot publishedCCPA, GDPRNot publishedNot published
Security practicesNot publishedNot publishedPersol Group information security basic policy (no certification named), Postas cloud security basic policy (established 2023-04-01)Server monthly uptime of 99.95% guaranteed under an SLA (no certification named)
FoundedNot publishedNot published20192005
HeadquartersJapanLos Angeles, United StatesTokyo (Chuo-ku, Tsukiji), JapanOsaka, Japan
OwnerNot publishedNot publishedPersol Group (the site footer lists Postas among the group's services; its security policy is co-signed by Persol Holdings)Not published
Last reviewed29 September 202629 September 202629 September 202629 September 2026

Integrations

No partner appears in every list.

Named only by Airレジ (Airregi)

  • Airペイ
  • Airペイ ポイント
  • Airレジ オーダー
  • FXシリーズ
  • マネーフォワード クラウド会計・確定申告
  • レストランボード

Named only by Otter

  • 7shifts
  • ChowNow
  • Clover
  • Deputy
  • DoorDash
  • DoorDash Drive
  • Epos Now
  • ezCater
  • Flipdish
  • GoTab
  • Grubhub
  • Homebase
and 20 more
  • Hungry Panda
  • Lavu
  • Lightspeed
  • Loyverse
  • MarketMan
  • Micros
  • Order with Google
  • Brink
  • POSitouch
  • Postmates
  • Restaurant365
  • Revel
  • Seamless
  • Shift4
  • Shipday
  • Skip the Dishes
  • Slice
  • Squirrel Systems
  • Stripe
  • Toast

Named only by POS+ (Postas)

  • ASPIT
  • ebica
  • FOODIT
  • freee
  • HANZO
  • Money Forward
  • Ordee
  • TORETA
  • 弥生会計

Named only by Smaregi

  • EATGRAM
  • EC-CUBE
  • FOODIT21
  • JMSおまかせサービス おてがるPay
  • QR Order
  • StarPay
  • STORES決済
  • TKC
  • Yappli Mobile Order
  • どこでも注文くん
  • ぴかいちナビ
  • れすだく
and 6 more
  • トレタ
  • ネクストエンジン
  • マネーフォワード クラウド
  • 勘定奉行クラウド
  • 楽天ペイ
  • 食べログオーダー

Which to choose

Airレジ (Airregi)

Choose Airレジ (Airregi) if your business matches one of the audiences it is listed for: Small restaurants, cafes and bars in Japan; Restaurants adding mobile ordering; Shops moving from a basic cash register.

Otter

Choose Otter if your business matches one of the audiences it is listed for: Quick service and fast casual restaurants taking online orders; Restaurants on several delivery apps; Food stands, small cafes and food trucks.

POS+ (Postas)

Choose POS+ (Postas) if you fit its listed audience: Restaurants of any size in Japan; Izakaya, yakiniku, ramen, cafe and fast-food operators; Restaurant chains replacing a POS across many stores.

Smaregi

Choose Smaregi if you fit its listed audience: Restaurants and cafes in Japan; Single-store shops starting on a free plan; Multi-store chains.

What we could not confirm

Airレジ (Airregi)

  • Price of Airレジ オーダー and other paid features
  • Contract term
  • Availability outside Japan
  • Headquarters address, founding year, team size
  • Security certifications
  • Whether a native Android app exists

Otter

  • Base prices of the Lite and Standard order-aggregation plans (the details page lists features but not the plan prices)
  • Enterprise or multi-location pricing (the site offers a quote)
  • Founding year, founders, funding and parent company: the site has no About page and states none of these
  • Employee count
  • Full list of countries and which integrations work in which country; the vendor's own customer claims differ (100,000+ restaurants on the homepage, 275k+ customers and 40+ countries on the why-otter page)
  • Interface languages of the product (the marketing site has Spanish, French and Portuguese versions)
  • Security certifications such as SOC 2 or PCI level
  • Free trial or free plan
  • Whether Otter is owned by or affiliated with another company: the legal terms mention affiliates but name none

POS+ (Postas)

  • Any price or plan tier (monthly fee is not published)
  • Contract term and renewal terms
  • Whether the product interface is available in languages other than Japanese
  • Founders and any funding (Postas is part of Persol Group; no funding is stated)
  • Whether the 2019 company founding date is also the launch date of the POS+ brand
  • Security certifications such as ISMS or SOC 2 (none stated)
  • Integration names

Smaregi

  • Contract minimum term and renewal
  • Android support
  • Interface languages other than Japanese
  • Security certifications
  • Whether the service is sold outside Japan
  • Total employees

Sources

Facts on this page come from the pages below. Prices and features change, so confirm with each vendor before you buy.

Otter, reviewed 29 September 2026

  1. Homepage: positioning, pricing bundles, comparison, claimshttps://www.tryotter.com
  2. POS bundle prices, processing fees, hardware termshttps://www.tryotter.com/pricing
  3. Order aggregation plan details, add-on prices, hardware priceshttps://www.tryotter.com/pricing-details-aggregate
  4. Integration partner listhttps://www.tryotter.com/integrations
  5. POS product pagehttps://www.tryotter.com/products/otterpos
  6. Order Managerhttps://www.tryotter.com/products/order-management
  7. Kitchen displayhttps://www.tryotter.com/products/kds
  8. Kioskhttps://www.tryotter.com/products/kiosk
  9. Online orderinghttps://www.tryotter.com/products/online-ordering
  10. Cateringhttps://www.tryotter.com/products/catering
  11. Menu managementhttps://www.tryotter.com/products/menu-management
  12. Loyaltyhttps://www.tryotter.com/products/loyalty
  13. Marketing automationhttps://www.tryotter.com/products/marketing
  14. Ratings and reviewshttps://www.tryotter.com/products/ratings-and-reviews
  15. Financialshttps://www.tryotter.com/products/financials
  16. Analyticshttps://www.tryotter.com/products/analytics
  17. Live alertshttps://www.tryotter.com/products/live-alerts
  18. Website builderhttps://www.tryotter.com/products/website-builder
  19. Virtual brandshttps://www.tryotter.com/products/virtual-brands
  20. Inventory Savings cash backhttps://www.tryotter.com/products/inventory-savings
  21. Otter Go apphttps://www.tryotter.com/products/app
  22. Company claims, customer nameshttps://www.tryotter.com/why-otter
  23. FAQ topicshttps://www.tryotter.com/faq
  24. Legal terms by regionhttps://www.tryotter.com/legal
  25. Legal entity, billing and cancellation termshttps://www.tryotter.com/legal/tech-services
  26. Legal entity and Los Angeles addresshttps://www.tryotter.com/legal/privacy-policy
  27. Page discovery; UK and Australian site versionshttps://www.tryotter.com/sitemap.xml

POS+ (Postas), reviewed 29 September 2026

  1. Home: editions, support claims, case studieshttps://www.postas.co.jp/
  2. Restaurant edition overviewhttps://www.postas.co.jp/food/
  3. Restaurant feature listhttps://www.postas.co.jp/food/function/
  4. Add-on productshttps://www.postas.co.jp/food/product/
  5. External service integrationshttps://www.postas.co.jp/food/partner-service/
  6. Cashless payment terminalshttps://www.postas.co.jp/food/cashless/
  7. Restaurant type pagehttps://www.postas.co.jp/food/usecase/izakaya/
  8. Environment, hardware, pricing FAQhttps://www.postas.co.jp/faq/
  9. Company profilehttps://www.postas.co.jp/corporate/
  10. Security policieshttps://www.postas.co.jp/security/