PostureCHECKER vs Mattress Checker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Side-view photo analysis
- Marker placement for key body points
- Posture alignment assessment
- Guidance on correct marker positioning
- Identification of straight posture
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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.
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.
- Objective mattress support assessment
- Spinal alignment calculation
- Posture analysis via photo
- Mattress comparison tool
- Store and compare findings
- Free expert consultation via email
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | PostureCHECKER | Mattress Checker |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (3 ratings) | 4.3 (4 ratings) — better |
| Positive reviews | 75.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 3 | 4 — better |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 7 MB |
| Age rating | 4+ | 12+ |
| Developer | Medic Engineering K.K. | EARTHONE ENTERTAINMENT LLC |
Customer experience
PostureCHECKER
Mattress Checker
In-app purchases
PostureCHECKER
No in-app purchases
Mattress Checker
No in-app purchases
Questions
Is PostureCHECKER free?
Is Mattress Checker free?
Which has better reviews, PostureCHECKER or Mattress Checker?
Do PostureCHECKER or Mattress Checker have ads?
Which is updated more often, PostureCHECKER or Mattress Checker?
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