Comparison

PostureCHECKER vs Mattress Checker

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

Head to head
About

PostureCHECKER

Analyze your body's posture by taking a side-view photo. The app guides you to place markers on key points to assess alignment. It helps identify if your posture is straight but cannot diagnose medical conditions.

Highlights
  • Side-view photo analysis
  • Marker placement for key body points
  • Posture alignment assessment
  • Guidance on correct marker positioning
  • Identification of straight posture
Read full description

Would you like to check your posture ? Prepare a photo taken from just beside the whole body of the subject. When you take a picture, please note the camera does not hover or tilt from side to side. Move the marks at the position shown below. If the line that marks makes is straight, your posture is pretty good ! (1) Ear (tragion) (2) Shoulder (acromion point) (3) Hip (greater trochanter) (4) Knee (back of kneepan) (5) Ankle === CAUTION === You cannot diagnoses illness by using this app. And we do not give permission to use this app for commercial purposes.

About

Mattress Checker

Objectively assess your mattress's spinal support using your device's camera. Analyze posture alignment by marking spinal points and let the app calculate support. Compare different mattresses and store findings to make informed purchasing decisions.

Highlights
  • Objective mattress support assessment
  • Spinal alignment calculation
  • Posture analysis via photo
  • Mattress comparison tool
  • Store and compare findings
  • Free expert consultation via email
Features
Read full description

Finally...the first objective way to see if your mattress really supports your spine properly. With this patent pending new technology, you can instantly check the support of your mattress in just seconds! With the Mattress Checker app you can use your iphone, or iPad device to take a picture of someone on the mattress (you could use the timer feature if you are alone or even use a mirror for a Selfie), then place 5 dots along the path of the spine from the bottom of the spine to the top and then let the app. calculate your posture spinal alignment on the mattress. You can also compare one mattress to another to see if a mattress has no support or whether the Back Science mattress really does align your spine and give you that perfect sleeping posture or in the case of an adjustable mattress like the Air-Pedic, change the zone pressure to find the best spinal support settings. The mattress checker even stores your findings for comparison of your mattress to other mattresses you are looking to purchase, making the Mattress Checker the smartest way to shop for beds! You can even take advantage of our Free Consult and email one of our mattress experts the findings so that they can shed some light on why your mattress problem may be occurring and offer solutions for a better night's sleep!

Screenshots

PostureCHECKER4 screens
Mattress Checker3 screens

Verdict

The call

The clearest difference is rating: Mattress Checker at 4.3 against PostureCHECKER's 2.0. Mattress Checker also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (13.0 vs 15.0). PostureCHECKER's advantage is review sentiment (75% vs 50%). On price, ratings volume, 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.

ReceptionRating · Positive reviews · Number of ratings

Mattress Checker holds the better App Store score, 4.3 against 2.0. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews complicate that: 75% of PostureCHECKER's written reviews are positive against 50% of Mattress Checker's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

PostureCHECKER ships an update every 6 months, Mattress Checker every 2 months. The most recent releases landed on November 10, 2026 and November 1, 2026 respectively.

Scorecard4 real differences · 6 level
PostureCHECKER versus Mattress Checker: the parameters behind the verdict, then further details
ParameterPostureCHECKERMattress Checker
PriceFreeFree
Rating2.0 (3 ratings)4.3 (4 ratings) — better
Positive reviews75.0% of reviews — better50.0% of reviews
Number of ratings34 — better
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size2 MB7 MB
Age rating4+12+
DeveloperMedic Engineering K.K.EARTHONE ENTERTAINMENT LLC

Customer experience

PostureCHECKER

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews8 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Mattress Checker

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

PostureCHECKER

No in-app purchases

None

Mattress Checker

No in-app purchases

Questions

Is PostureCHECKER free?
PostureCHECKER is free to download, with no in-app purchases.
Is Mattress Checker free?
Mattress Checker is free to download, with no in-app purchases.
Which has better reviews, PostureCHECKER or Mattress Checker?
Mattress Checker is rated higher. PostureCHECKER averages 2.0 out of 5 from 3 ratings, while Mattress Checker averages 4.3 from 4 ratings.
Do PostureCHECKER or Mattress Checker have ads?
Neither PostureCHECKER nor Mattress Checker shows ads.
Which is updated more often, PostureCHECKER or Mattress Checker?
PostureCHECKER ships an update every 6 months, and Mattress Checker every 2 months. Most recently, PostureCHECKER was updated on November 10, 2026 and Mattress Checker on November 1, 2026.

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