Comparison

LLume vs Isobar

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

Head to head
About

LLume

This app allows athletes and coaches to record respiratory training sessions using a connected sensor. Users can monitor breathing performance, review detailed workout data, and track progress over time. Manage all training settings within a single, integrated platform.

Highlights
  • Capture respiratory training sessions
  • Review workout data
  • Track progress over time
  • Monitor breathing performance
  • Manage training settings
Features
Read full description

LLume helps athletes and coaches capture respiratory training sessions, review workout data, and track progress over time. Connect your LLume sensor to record sessions, monitor breathing performance, review reports, and manage training settings from one place.

About

Isobar

Design and order custom-fit compression socks from home. This app uses your phone's camera to create a 3D model of your legs for a perfect fit, helping to reduce DVT risk and alleviate travel-related leg discomfort.

Highlights
  • Custom compression sock ordering
  • 3D leg scanning via mobile video
  • Personalized fit and style selection
  • Direct-to-door delivery
  • DVT risk reduction
  • Alleviate heavy legs and jet lag
Features
Read full description

Benefit from Isobar’s unmatched Custom Travel Compression Socks, all from the comfort of your own home and delivered to your door with the new Isobar app. Reduce your risk of DVT, alleviate that post-travel heavy-leg feeling and minimise jet lag without compromising your comfort. How it works: • Take a video of your legs using your mobile device • We generate an accurate 3D model of your unique anatomy • Select your style and colour and order through the app • Your socks are custom designed to fit you • We manufacture your socks to order in Manchester • Delivery direct to your door Risks of long haul travel: • When we sit for long periods, blood pools in our legs • Blood pooling can lead to a blood clot or deep vein thrombosis (DVT) • Blood clots can be fatal if not caught and travel to your lungs (pulmonary embolism) • 4-10% of long-haul travellers will develop an asymptomatic DVT Why choose Isobar Custom Made Compression Socks: • Studies have show off-the-shelf flight socks don’t fit 98% of people • 54% had a negative effect because they are too tight • Custom made for you to guarantee a perfect fit every time • Machine washable and certified to maintain their efficacy after washing • Available in a range of colours Proudly developed, designed and manufactured in Manchester, UK. Isobar Compression are official suppliers and partners of: • Royal Ballet • INEOS Grenadiers Cycling Team • British Cycling • INEOS Britannia, Challenger of Record for the 37th America’s Cup

Screenshots

LLume3 screens
Isobar3 screens

Verdict

The call

The clearest difference is update cadence: LLume at every 8 days against Isobar's every 2 months. On price, ads, in-app purchases and monetization model 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

LLume ships an update every 8 days, Isobar every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard1 real difference · 9 level
LLume versus Isobar: the parameters behind the verdict, then further details
ParameterLLumeIsobar
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings4 — better—
Update frequencyEvery 8 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.416.4
Further details — not scored
Size82 MB73 MB
Age rating4+4+
DeveloperOrganic Robotics CorporationAdvanced Therapeutic Materials Ltd

Customer experience

LLume

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Isobar

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

LLume

No in-app purchases

None

Isobar

No in-app purchases

Questions

Is LLume free?
LLume is free to download, with no in-app purchases.
Is Isobar free?
Isobar is free to download, with no in-app purchases.
Do LLume or Isobar have ads?
Neither LLume nor Isobar shows ads.
Which is updated more often, LLume or Isobar?
LLume ships an update every 8 days, and Isobar every 2 months. Most recently, LLume was updated on November 3, 2026 and Isobar on November 4, 2026.

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