Poly Poser vs Ventlas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Poly Poser
This app provides 3D anatomical reference for artists, allowing you to study figure drawing from any angle. It features animated and static poses, muscle and skeletal layers, and precise camera controls to aid in understanding anatomy.
- Animated pose reference
- Pose scrubbing
- Muscle/skeletal layer toggles
- Study mode with custom curriculum
- Progress tracking
- Isolate muscle groups
- High precision camera controls
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Can't get your anatomy drawings to look right? Poly Poser gives you 3D anatomical reference from any angle, no live models, no endless searching, no flat 2D images with missing information. This is built for artists who want to study figure drawing properly. Poly Poser takes care of the reference, so you can focus on what matters: your art & progression. Features: ANIMATED POSE REFERENCE - Select from a growing library of animated poses - Pose scrubbing. Scrub to the exact frame that you want in a full animated pose to get the precision you need - Toggle on/off muscle/skeletal layers of the anatomy while the model is posed to get a better understanding of the anatomy underneath - Study pre-made static poses as reference STUDY MODE - Simulate figure drawing sessions with the Study Mode feature - Set your own curriculum, the amount of poses and time per study session - Track your last 90 days of drawing progress with the built-in session history feature ISOLATE MUSCLE GROUPS - Zero in on a single muscle group or bone structure - Study with more precision and less visual noise HIGH PRECISION CAMERA CONTROLS - Orbit, pan, tilt, and zoom with sub-pixel precision - Lock the camera when needed - Change the camera lens - Explore the model between two camera modes: Model-Centric and Unconstrained MODEL CONTROLS - Shift between several different shaders and skins for the model - Adjust the model lighting to your artist needs Poly Poser is actively developed with new content and features added regularly. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://polyposer.com/privacy-policy/
Ventlas
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Don't memorize ventilator waveforms. Watch them being made. Ventlas is an educational simulator that computes pressure, flow and volume waveforms from resistance and compliance using a single-compartment lung model. Nothing is hand-drawn: every trace is integrated from the equations, breath by breath. Because residual volume carries over between breaths, auto-PEEP emerges from the arithmetic rather than being painted in. [ ATLAS - 17 conditions ] Normal lung / ARDS / COPD and asthma / Cardiogenic pulmonary edema / Obesity and raised abdominal pressure / Atelectasis / Pulmonary fibrosis Mucus plug / Kinked tube / Tension pneumothorax / Endobronchial intubation / Circuit leak Double triggering / Flow starvation / Ineffective triggering / Auto-triggering / Reverse triggering Each condition is explained in four panels - mechanism, mechanics, waveform, clinical - with a severity slider in real units. What matters is what separates conditions that look alike: - Atelectasis vs fibrosis: does compliance improve when you raise PEEP? - Kinked tube vs mucus plug: does pressure fall in proportion to flow, or with its square? - Auto-triggering vs reverse triggering: does the negative deflection come before the breath, after it, or not at all? [ THREE MODES ] Volume control / Pressure control / Pressure support The same problem looks different in each mode, and that is the teaching point. Volume control shows it as rising pressure; pressure control shows it as falling volume. In pressure support the breath ends on flow rather than time, so high resistance stretches inspiration out. [ SIMULATOR - the patient answers back ] Work the ventilator and the patient changes over minutes. Saturation, end-tidal CO2, heart rate and mean arterial pressure are monitored continuously. An arterial blood gas takes two minutes to come back, and the result is the patient as they were when you drew it - not as they are now. Four scenarios with targets: ARDS, COPD, atelectasis, circuit leak. Every setting you change is logged with the vital signs of that moment, and the whole session can be exported at the end. [ MEASUREMENTS THAT REFUSE ] No plateau pressure without an inspiratory hold. No auto-PEEP without an expiratory hold. No compliance when patient effort or a leak makes it meaningless. Knowing why a number cannot be measured matters as much as the number. Korean and English. Works entirely offline. No account, no ads, no in-app purchases, no data collected. This is a medical education simulator. It is not a medical device and must not be used for diagnosis or to set a real ventilator. Every value shown is computed from a mathematical model and is not a recording from a real patient.
Screenshots
Verdict
The clearest difference is in-app purchases: Ventlas at none against Poly Poser's 3. On price, ads, 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
Both are free to download. Poly Poser sells 2 in-app purchases, starting at $9.99 per year. Ventlas asks for nothing beyond the download.
| Parameter | Poly Poser | Ventlas |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | — | Every 3 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 326 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | Nozuki Academy | Sang Joon Park |
In-app purchases
Poly Poser
- Poly Poser Pro - Yearly$9.991 Year
- Poly Poser Pro - Lifetime Access2 variants$24.99
Ventlas
No in-app purchases
Questions
Is Poly Poser free?
Is Ventlas free?
Do Poly Poser or Ventlas have ads?
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