Comparison

Tallwise vs HeightMax

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

Head to head
About

Tallwise

Features
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How tall will you be? Tallwise gives you a real answer from growth science, not a guess. WHAT IT DOES • Predicts your adult height from your age, height, weight, your parents' heights and your stage of growth, using the Khamis-Roche method and CDC growth charts • Shows a range with an honest error band, and updates the prediction every time you log a new height • Places you on the growth chart: see your percentile and your projected path to adulthood • Growth Score from sleep, protein, movement and a daily 10-minute posture and mobility routine • Works for teenagers, and for parents logging a child TALLWISE PLUS Plus unlocks your exact predicted number, monthly re-predictions, the Growth Score and the daily routine, and the share card. Monthly, yearly or lifetime, cancel any time. Prices are shown in the app and may vary by country. PRIVATE BY DESIGN No account. No ads. No tracking. Everything stays on your phone. Tallwise is not medical advice. Predictions are statistical estimates with a stated error range; talk to a doctor about growth concerns. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://alagicamir.github.io/korklar-legal/tallwise/privacy.html

About

HeightMax

Estimate your future adult height with a few quick answers about your current stats and parents' heights. Visualize your growth trajectory and compare your percentile to averages. Offers practical tips to support healthy growth.

Highlights
  • Adult height prediction
  • Growth trajectory chart
  • Height percentile comparison
  • Likely height range
  • Growth support tips
  • Metric/Imperial units
Features
Read full description

THAT'S THE AVERAGE. WHAT'S YOURS? Find out how tall you're likely to grow in under a minute. HeightMax turns four quick answers into an estimate of your final adult height. Enter your sex, age, current height and your parents' heights, then see where your growth may be headed. PREDICTED ADULT HEIGHT Get a clear estimate of your final adult height, plus how much growth potential you may have left. View results in centimeters or feet and inches. YOUR GROWTH TRAJECTORY A projected height chart maps your likely growth path from today through your final growth age, so you can see when the remaining inches may arrive. WHERE YOU STAND See your current height percentile and your projected adult height percentile. Find out how you compare with the average for your age and sex. YOUR LIKELY RANGE No prediction is exact. HeightMax shows a likely final height range based on the natural spread of growth curves, so you get a realistic picture rather than a single number. GROW SMART Practical tips on sleep, nutrition, activity and posture help you support healthy growth and stand at your full height. METRIC OR IMPERIAL Switch between cm and ft/in instantly, anytime. FREE TO DOWNLOAD. ONE-TIME UNLOCK. Download HeightMax free and unlock your full results with a single $1.99 purchase. No subscription, no recurring charges. HeightMax provides estimates for entertainment and general information only. It is not medical advice. Talk to a doctor if you have concerns about growth. The average is just a number. Download HeightMax and find out what's yours. Terms of Use: https://doitby.io/terms.html Privacy Policy: https://doitby.io/privacy.html

Screenshots

Tallwise4 screens
HeightMax4 screens

Verdict

The call

Tallwise and HeightMax are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Tallwise sells 4 in-app purchases, starting at $1.99 per month and HeightMax sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Tallwise versus HeightMax: the parameters behind the verdict, then further details
ParameterTallwiseHeightMax
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 days—
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone
Requires iOS18.018.0
Further details — not scored
Size8 MB9 MB
Age rating4+4+
DeveloperAmir AlagicNick Simak

In-app purchases

4 purchases

Tallwise

Subscriptions3
  • Plus Monthly$1.991 Month
  • Tallwise Plus$4.997 Days
  • Tallwise Plus3 Days trial$34.991 Year
One-time1
  • Plus Lifetime$19.99
1 purchases

HeightMax

One-time1
  • Full Results$1.99

Questions

Is Tallwise free?
Tallwise is free to download, with in-app purchases available.
Is HeightMax free?
HeightMax is free to download, with in-app purchases available.
Do Tallwise or HeightMax have ads?
Neither Tallwise nor HeightMax shows ads.

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