Comparison

ACE+KEY vs EXTENSION.app (Stickers)

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

Head to head

EXTENSION.app (Stickers)

All-in-One Extension App

Free

🔧 Utilities

★ 5.01 ratingsView app →

About

ACE+KEY

Features

Read full description

Innovative functionality of the ACE+Key application allows users to open a fibre-optic cabinets using a mobile application.

About

EXTENSION.app (Stickers)

Enhance your iMessage and FaceTime conversations with a diverse collection of stickers. Easily access and apply them directly within your messaging and video calls.

Highlights

iMessage stickers integration
iMessage camera effects
FaceTime call effects
Easy access within apps
Wide variety of stickers

Features

Read full description

EXTENSION.app is the all-in-one extension app for iMessage Stickers and FaceTime. ■■■ EXTENSION.app for iMessage Stickers 1. Open Messages.app. 2. Tap (+) button. 3. Select "Stickers" category. 4. Select "EXTENSION" app. ■■■ EXTENSION.app for iMessage Camera 1. Open Messages.app. 2. Tap (+) button. 3. Select "Camera" category. 4. Tap (Star) button. 5. Select "EXTENSION" app. ■■■ EXTENSION.app for FaceTime 1. Open FaceTime.app. 2. Start a call. 3. Tap (Star) button inside a viewfinder. 4. Select "EXTENSION" app. --- Terms of Use: https://extension.app/terms Privacy Policy: https://extension.app/privacy

Screenshots

ACE+KEY4 screens

EXTENSION.app (Stickers)4 screens

Verdict

The call

The clearest difference is in-app purchases: ACE+KEY at none against EXTENSION.app (Stickers)'s 4. ACE+KEY also leads on iOS requirement (15.5 vs 26.0). On price, update cadence, ads 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. EXTENSION.app (Stickers) sells 4 in-app purchases, starting at $0.99 per month. ACE+KEY asks for nothing beyond the download.

UpkeepUpdate frequency

ACE+KEY ships an update every 2 months, EXTENSION.app (Stickers) every 6 weeks. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 7 level

ACE+KEY versus EXTENSION.app (Stickers): the parameters behind the verdict, then further details
Parameter	ACE+KEY	EXTENSION.app (Stickers)
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Number of ratings	—	1 — better
Update frequency	Every 2 months	Every 6 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	15.5 — better	26.0
Further details — not scored
Size	25 MB	9 MB
Age rating	4+	17+
Developer	TKF	X.app

In-app purchases

None

ACE+KEY

No in-app purchases

4 purchases

EXTENSION.app (Stickers)

Subscriptions4

EXTENSION+ Monthly$0.991 Month
EXTENSION+ Monthly for Family$1.991 Month
EXTENSION+ Yearly$9.991 Year

Show 1 more

EXTENSION+ Yearly for Family$19.991 Year

Questions

Is ACE+KEY free?

ACE+KEY is free to download, with no in-app purchases.

Is EXTENSION.app (Stickers) free?

EXTENSION.app (Stickers) is free to download, with in-app purchases available.

Do ACE+KEY or EXTENSION.app (Stickers) have ads?

Neither ACE+KEY nor EXTENSION.app (Stickers) shows ads.

Which is updated more often, ACE+KEY or EXTENSION.app (Stickers)?

ACE+KEY ships an update every 2 months, and EXTENSION.app (Stickers) every 6 weeks. Most recently, ACE+KEY was updated on October 22, 2026 and EXTENSION.app (Stickers) on October 8, 2026.