Comparison

pomera Link vs IIJmio Coupon Switch

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

Head to head
About

pomera Link

Transfer text data from your Pomera device to your iPhone via QR code or Wi-Fi. Edit, convert to PDF, or send text via email. Supports multiple QR code reading and FlashAir transfers for specific models.

Highlights
  • QR Code data transfer
  • Wi-Fi connection for DM250
  • FlashAir transfer for DM100/DM30
  • Text editing and PDF conversion
  • Email and cloud integration
  • History with data protection
Read full description

This is King Jim's official application for Pomera. Text data created with Pomera can be saved in the app using "QR Code" or "Wi-Fi Connection". In addition to the Pomera QR Code Reader and other functions of the previous version, the new "Wi-Fi Connection" function of DM250 has been newly added and can be read into the application and used in emails and memos as well as QR Codes. ====================================== ■If the camera does not start up when taking a picture of a QR code, the app may not have permission for the camera function. From the "Settings" application on the iPhone, turn on the "pomeraLink" setting in the "Privacy" - "Camera" screen. ■When using "Wi-Fi Connection" or "FlashAir™ Transfer", open Wi-Fi Settings from the "Settings" application on your iPhone and connect to the Wi-Fi network of your Pomera or FlashAir. This application is compatible with iPhone (6s or later) iOS13 or later. It is not compatible with iPad. Even after installation, the app may not work or may not recognize the QR code. ====================================== List of Functions Reading QR Codes  Simply hold the camera over a QR code displayed on "Pomera" to automatically recognize it and save it in the "History". Reading a linked QR Code  Up to 999 consecutive QR Codes created with "Pomera" can be read. When a QR Code is successfully scanned, a vibration will alert you, and the number of the linked QR Code will be displayed, so you can display the next linked QR Code with "Pomera". *DM250 can split up to 999 QR Codes, allowing you to convert a larger number of characters. 3. Sending and receiving files via Wi-Fi connection You can send and receive text data between this application and Pomella through a Wi-Fi connection.  The supported model for Wi-Fi connection is DM250. FlashAir transfer  Text data saved in FlashAir can be read, attached to e-mails, and uploaded to the cloud.  Files other than .txt and .csv format cannot be read.  FlashAir transfer is supported by DM100 and DM30 models. 5. Editing  Data saved in "History" can be checked and edited later. In addition, the text can be pasted into the body of an e-mail or notepad, converted to PDF, or read out loud from the text.  The maximum number of items in the history is 200, and when the limit is reached, the oldest unprotected data will be deleted each time new data is added. The protection limit is 100 items. QR Code is a registered trademark of DENSO WAVE INCORPORATED. Translated with www.DeepL.com/Translator (free version)

About

IIJmio Coupon Switch

Control your mobile data speed between high and low settings. Manage your data usage and view current data volumes. This service will be discontinued from October 1st, 2024, and users should transition to the "My IIJmio" app.

Highlights
  • Switch data speed (high/low)
  • Login with mioID and password
  • Select telephone number for control
  • View coupon volume
  • Display data usage volume
  • Add memo to phone number
Features
Read full description

From October 1st 2024, this service will be discontinued. Please use the "My IIJmio" app. Please check https://www.iijmio.jp/info/iij/1719529607.html for details. IIJmio Coupon Switch (mioPON) can change your data rate at the high / low speed. When you have the max data volume that you can send and receive at the max speed named coupon on the IIJmio High-speed Mobile/D Service contract, you can control your data rate at the high or low speed with this application. In your home menu, "mioPON" is displayed as the app name instead of "IIJmio Coupon Switch". On/Off switching operation 1. Start mioPON from your home menu. 2. Login with your mioID and password. 3. Select a telephone number whose data rate you would like to control. 4. Tap "apply" button. * Note: Please wait about 1 minute if you switch on and off continually. Other functions - Touch on "hdd" to display the coupon volume. - Touch on the phone number of the SIM card to display the data volume of the usage. -- The data volume of usage is updated every few hours. It is not the latest data volume of the usage. Please use it as an aim. -- If three days' total data volume of usage at the low speed data rate is over 366MB, the data rate is limited. The notification of 'OFF時 通信規制中' is appeared below the data volume of the usage. - Touch and hold the phone number of the SIM card to display the memo field. This application does not show the coupon volume which distributed to each SIM card. And also the value of total coupon volume is not including these coupon volume. About @iijmio https://twitter.com/iijmio This is the official Twitter account of IIJmio. We tweet the useful information about IIJmio service in Japanese. Software License Agreement To use this application, you need to agree with the following Software License Agreement. https://www.iijmio.jp/guide/agreement/miopon.jsp

Screenshots

pomera Link4 screens
IIJmio Coupon Switch4 screens

Verdict

The call

The clearest difference is rating: pomera Link at 3.7 against IIJmio Coupon Switch's 2.7. pomera Link also leads on review sentiment (46% vs 20%). 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

pomera Link holds the better App Store score, 3.7 against 2.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 46% of pomera Link's written reviews are positive against 20% of IIJmio Coupon Switch's.

UpkeepUpdate frequency

pomera Link ships an update every 7 months, IIJmio Coupon Switch every 5 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
pomera Link versus IIJmio Coupon Switch: the parameters behind the verdict, then further details
Parameterpomera LinkIIJmio Coupon Switch
PriceFreeFree
Rating3.7 (3 ratings) — better2.7 (3 ratings)
Positive reviews45.8% of reviews — better20.4% of reviews
Number of ratings33
Update frequencyEvery 7 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better14.0
Further details — not scored
Size8 MB2 MB
Age rating4+4+
DeveloperKING JIM CO.,LTD.Internet Initiative Japan, Inc.

Customer experience

pomera Link

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews24 reviews
Positive45.8%
Neutral25.0%
Negative29.2%

IIJmio Coupon Switch

All ratings3 ratings
Positive0.0%
Neutral66.7%
Negative33.3%
Written reviews54 reviews
Positive20.4%
Neutral16.7%
Negative63.0%

In-app purchases

None

pomera Link

No in-app purchases

None

IIJmio Coupon Switch

No in-app purchases

Questions

Is pomera Link free?
pomera Link is free to download, with no in-app purchases.
Is IIJmio Coupon Switch free?
IIJmio Coupon Switch is free to download, with no in-app purchases.
Which has better reviews, pomera Link or IIJmio Coupon Switch?
pomera Link is rated higher. pomera Link averages 3.7 out of 5 from 3 ratings, while IIJmio Coupon Switch averages 2.7 from 3 ratings.
Do pomera Link or IIJmio Coupon Switch have ads?
Neither pomera Link nor IIJmio Coupon Switch shows ads.
Which is updated more often, pomera Link or IIJmio Coupon Switch?
pomera Link ships an update every 7 months, and IIJmio Coupon Switch every 5 months. Most recently, pomera Link was updated on November 6, 2026 and IIJmio Coupon Switch on November 5, 2026.

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