Comparison

NFC ReWriter vs SGEMS Intercom

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

Head to head

NFC ReWriter

Free

🔧 Utilities

★ 4.52 ratingsView app →

Intercom System

About

NFC ReWriter

Easily write NDEF messages to NFC tags. This open-source tool also allows for custom transceive commands using a built-in toolkit.

Highlights

Write NDEF messages to NFC tags
Write custom transceive commands
Open-source project
React-Native based

Features

Read full description

NFC ReWriter is an open source project built on-top-of React-Native. This app could help you easily write NDEF message to NFC Forum tag. Also let you write custom transceive commands in TOOLKIT.

About

SGEMS Intercom

Read full description

Receive video and audio calls from your intercom as a Site, Admin, or Host. Respond in real time anytime, anywhere.

Screenshots

NFC ReWriter4 screens

SGEMS Intercom4 screens

Verdict

The call

The clearest difference is iOS requirement: NFC ReWriter at 11.0 against SGEMS Intercom's 15.1. On price, update cadence, ads and in-app purchases 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 ReWriter ships an update every 2 months, SGEMS Intercom monthly. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

Scorecard1 real difference · 9 level

NFC ReWriter versus SGEMS Intercom: the parameters behind the verdict, then further details
Parameter	NFC ReWriter	SGEMS Intercom
Price	Free	Free
Rating	4.5 (2 ratings) — better	—
Positive reviews	50.0% of reviews	—
Number of ratings	2 — better	—
Update frequency	Every 2 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	11.0 — better	15.1
Further details — not scored
Size	19 MB	31 MB
Age rating	4+	4+
Developer	Revtel Tech co.ltd	Logic Smart Solutions Pte Ltd

In-app purchases

None

NFC ReWriter

No in-app purchases

None

SGEMS Intercom

No in-app purchases

Questions

Is NFC ReWriter free?

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

Is SGEMS Intercom free?

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

Do NFC ReWriter or SGEMS Intercom have ads?

Neither NFC ReWriter nor SGEMS Intercom shows ads.

Which is updated more often, NFC ReWriter or SGEMS Intercom?

NFC ReWriter ships an update every 2 months, and SGEMS Intercom monthly. Most recently, NFC ReWriter was updated on September 20, 2026 and SGEMS Intercom on September 18, 2026.