Comparison

NFC Eink vs ChromaInk

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

Head to head

NFC Eink

Free

🔧 Utilities

★ 2.01 ratingsView app →

ChromaInk

E-paper Image Transfer Tool

Free

🔧 Utilities

No ratingsView app →

About

NFC Eink

This utility app leverages NFC technology to transmit images and display content on compatible devices. It requires an iPhone 8 or later running iOS 13 or above.

Highlights

NFC image transmission
Screen display functionality
NFC read/write capabilities
Compatible with iPhone 8 and above
Requires iOS 13 and above

Read full description

一款基于NFC读写功能开发的工具型APP，通过无源NFC技术向我们的指定产品传送图像，刷屏等功能。机型要求: iPhone8及以上系统要求: ios13及以上

About

ChromaInk

Features

Read full description

ChromaInk is a universal tool designed for e-ink phone cases and supports various types of phone cases of the latest product, Prism. With ChromaInk, you can select any picture to create your exclusive phone back cover wallpaper. ChromaInk uses a unique image quality enhancement algorithm to present even more perfect effects for landscapes and portraits.

Screenshots

NFC Eink2 screens

ChromaInk3 screens

Verdict

The call

The clearest difference is update cadence: ChromaInk at monthly against NFC Eink's every 2 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NFC Eink ships an update every 2 months, ChromaInk monthly. Both last shipped on September 9, 2026.

Scorecard1 real difference · 9 level

NFC Eink versus ChromaInk: the parameters behind the verdict, then further details
Parameter	NFC Eink	ChromaInk
Price	Free	Free
Rating	2.0 (1 ratings) — better	—
Positive reviews	0.0% of reviews	—
Number of ratings	1 — better	—
Update frequency	Every 2 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0	13
Further details — not scored
Size	1 MB	21 MB
Age rating	4+	4+
Developer	博之陆	PTseeing IoT Technology Co.,Ltd

In-app purchases

None

NFC Eink

No in-app purchases

None

ChromaInk

No in-app purchases

Questions

Is NFC Eink free?

NFC Eink is free to download, with no in-app purchases.

Is ChromaInk free?

ChromaInk is free to download, with no in-app purchases.

Do NFC Eink or ChromaInk have ads?

Neither NFC Eink nor ChromaInk shows ads.

Which is updated more often, NFC Eink or ChromaInk?

NFC Eink ships an update every 2 months, and ChromaInk monthly. Most recently, NFC Eink was updated on September 9, 2026 and ChromaInk on September 9, 2026.