Comparison

filterFairy vs DuaCam

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

Head to head

Live Duotone Camera

About

filterFairy

Features

Read full description

Select one photo from album, set of filter effects, save .

About

DuaCam

Features

Read full description

DuaCam is a fast, focused camera for making bold duotone photos. See the look live before you shoot, switch between curated presets, and fine-tune shadow and highlight colors with simple controls that stay playful instead of technical. With DuaCam you can: - preview the duotone effect live while framing - shoot with the front or back camera - adjust shadow and highlight colors - fine-tune intensity and contrast - import photos from your library for editing - save finished work to an in-app gallery - share or export images to the iOS Photos library DuaCam is built for quick creative photography, not bloated editing workflows. Open it, find a look you like, shoot, tweak, and save. No account required.

Screenshots

filterFairy4 screens

DuaCam3 screens

Verdict

The call

The clearest difference is update cadence: DuaCam at monthly against filterFairy's every 8 months. filterFairy's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, 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

filterFairy ships an update every 8 months, DuaCam monthly. The most recent releases landed on October 20, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 3 level

filterFairy versus DuaCam: the parameters behind the verdict, then further details
Parameter	filterFairy	DuaCam
Price	Free	Free
Update frequency	Every 8 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	12.0 — better	17.0
Further details — not scored
Size	12 MB	6 MB
Age rating	4+	4+
Developer	JHEN-HUA CHEN	Lite Guo

In-app purchases

None

filterFairy

No in-app purchases

None

DuaCam

No in-app purchases

Questions

Is filterFairy free?

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

Is DuaCam free?

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

Do filterFairy or DuaCam have ads?

Neither filterFairy nor DuaCam shows ads.

Which is updated more often, filterFairy or DuaCam?

filterFairy ships an update every 8 months, and DuaCam monthly. Most recently, filterFairy was updated on October 20, 2026 and DuaCam on September 29, 2026.