Comparison

DuoLens vs Unitloft

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

Head to head
About

DuoLens

Features
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DuoLens — Capture the world and don't forget to capture yourself. Activate both front and back cameras simultaneously and record two videos at once. Whether it's family moments, travel memories, or everyday sharing — you and the scene are always in frame together. 【Key Features】 · Dual Recording — Capture front and back cameras simultaneously in one take, with synced audio · Flexible Display — Drag the floating window freely, swap views with one tap, or switch to split-screen mode · High Quality — Record from 720p to 4K, with 30fps and 60fps options · Audio Options — Choose stereo or mono recording to suit your needs · Zoom Control — Pinch to zoom while recording, easily adjust the rear camera view · Dual Playback — Play both videos in sync with progress control and mute options · Album Management — Browse all recordings, batch select and delete, replay with one tap · Video & Photo — Not just dual video recording — capture dual-view photos too 【Perfect For】 · Family Time — Capture your child's smile and your own reaction at the same time · Travel — The landmark and your expression, all in one frame · Daily Sharing — No more choosing between selfie and scenery — get both · Special Moments — Birthdays, parties, graduations — you're both in the picture 【Privacy & Terms】 Your privacy is strictly protected. All video editing is done locally and will not be shared. For more details, visit: Apple Standard License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service & Privacy Policy: https://app.kanchuan.com/en/duolens/policy 【Contact】 Wechat:ckanchuan Website:https://app.kanchuan.com/en/duolens

About

Unitloft

Features
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Convert named lists together, review each result with its units, and save the worksheet for the next job. HOW IT WORKS 1. Open Sheets and choose a category plus the source and destination units. 2. Enter up to 200 lines, optionally using Label = number, and review row errors. 3. Save a worksheet, load it again, or share the results as CSV text. The main converter, recipe scaling, pinned conversions and recent conversions remain available. Worksheets use the same unit catalog, including the temperature offset between Celsius and Fahrenheit. WHAT TO KNOW Supports the units in the app catalog. Use your decimal separator without unit symbols or thousands separators. Invalid rows remain visible and block sharing. Up to 30 worksheets are retained. CSV is shared as text. Fuel-economy values must be positive. iPhone and iPad.

Screenshots

DuoLens4 screens
Unitloft3 screens

Verdict

The call

The clearest difference is price: DuoLens at Free against Unitloft's $2.99. Unitloft's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement 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

DuoLens is free to download; Unitloft costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DuoLens ships an update every 10 days, Unitloft fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
DuoLens versus Unitloft: the parameters behind the verdict, then further details
ParameterDuoLensUnitloft
PriceFree — better$2.99
Update frequencyEvery 10 days — betterFortnightly
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.417.0 — better
Further details — not scored
Size8 MB5 MB
Age rating4+4+
Developer明伟 陈Robert Corbin

In-app purchases

None

DuoLens

No in-app purchases

None

Unitloft

No in-app purchases

Questions

Is DuoLens free?
DuoLens is free to download, with no in-app purchases.
Is Unitloft free?
Unitloft costs $2.99, with no in-app purchases.
Do DuoLens or Unitloft have ads?
DuoLens shows ads; Unitloft does not.
Which is updated more often, DuoLens or Unitloft?
DuoLens ships an update every 10 days, and Unitloft fortnightly. Most recently, DuoLens was updated on November 3, 2026 and Unitloft on October 31, 2026.

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