Comparison

C&JsmartFIRE vs CELSI

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

Head to head

C&JsmartFIRE

Free

🔧 Utilities

★ 1.34 ratingsView app →

About

C&JsmartFIRE

This app allows users to control smart-enabled gas and electric appliances from Charlton & Jenrick Ltd. It is not compatible with Infinity Gas fires, which require a separate application.

Highlights

Control smart gas appliances
Control smart electric appliances
Remote operation
Appliance status monitoring

Features

Read full description

Control your smart enabled Charlton & Jenrick Ltd Gas and Electric appliances. NB Not compatable with current Infinity Gas fires. See separate "Infinity Remote" App.

About

CELSI

Read full description

App can be used to ; Turn on/off the fire set heater level set brightness level set flame color set fuel bed color set downlight color set 7 days timer Use Adptive Voice control

Screenshots

C&JsmartFIRE4 screens

CELSI4 screens

Verdict

The call

C&JsmartFIRE and CELSI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

C&JsmartFIRE ships an update every 23 months, CELSI every 17 months. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

ScorecardNo meaningful differences

C&JsmartFIRE versus CELSI: the parameters behind the verdict, then further details
Parameter	C&JsmartFIRE	CELSI
Price	Free	Free
Rating	1.3 (4 ratings) — better	—
Positive reviews	25.0% of reviews	—
Number of ratings	4 — better	—
Update frequency	Every 23 months	Every 17 months — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	13.0	13.0
Further details — not scored
Size	198 MB	189 MB
Age rating	4+	12+
Developer	CHARLTON & JENRICK LIMITED	BFM Europe Limited

In-app purchases

None

C&JsmartFIRE

No in-app purchases

None

CELSI

No in-app purchases

Questions

Is C&JsmartFIRE free?

C&JsmartFIRE is free to download, with no in-app purchases.

Is CELSI free?

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

Do C&JsmartFIRE or CELSI have ads?

Neither C&JsmartFIRE nor CELSI shows ads.

Which is updated more often, C&JsmartFIRE or CELSI?

C&JsmartFIRE ships an update every 23 months, and CELSI every 17 months. Most recently, C&JsmartFIRE was updated on September 19, 2026 and CELSI on September 11, 2026.