Comparison

IAP Iowa vs GoTall

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

Head to head
About

IAP Iowa

Plan and schedule your fitness classes directly from your device. View class schedules, sign up for sessions, and access studio location information. Optimize your time and convenience for booking workouts.

Highlights
  • View class schedules
  • Sign up for classes
  • Studio location information
  • Schedule management
  • Device-based booking
Features
Read full description

Download the Innovative Athletics Sports App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!

About

GoTall

This app predicts your maximum potential height using scientific data and personal factors like genetics, sleep, and activity. It provides a personalized growth plan with exercises, nutrition analysis, and lifestyle tracking to support your development. Premium features offer advanced tools and customized plans.

Highlights
  • Scientific height prediction
  • Personalized growth plan
  • Daily exercises
  • Nutrition analysis
  • Lifestyle tracking
  • Puberty stage analysis
Features
Read full description

GoTall is the most accurate height predictor. Here's why it works: 1. We use real science. GoTall uses data from the CDC, a group of top doctors and scientists who study how kids grow. 2. To guess your true potential, we ask about: Your parents' and relatives' height (because your genes matter) Your sleep, food, and activity (because habits affect growth) Your stage of puberty (because timing matters) We look at the full picture. Instead of guessing from just your age, we look at everything together. That’s why our results are more accurate than just using a growth chart. Stick to the growth plan, and we’ll keep guiding you every step of the way. GoTall gives you a custom growth plan that includes: Daily exercises proven to support posture, bone strength, and natural growth hormone activity Nutrition analysis that checks if your diet supports optimal growth Lifestyle tracking so you can improve sleep, habits, and recovery We also offer premium features with subscriptions or purchases, such as a custom plan designed to support natural HGH production and optimal growth, or monthly updates that adjust your plan based on your habits and progress, so you can stay on track. Disclaimer: GoTall doesn’t offer medical advice. Our recommendations are based on widely known practices related to height growth. Always speak to a healthcare provider for individualized guidance. Some features, including full analysis and advanced tools, require a premium subscription or purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

IAP Iowa3 screens
GoTall4 screens

Verdict

The call

The clearest difference is review sentiment: IAP Iowa at 100% against GoTall's 21%. IAP Iowa also leads on in-app purchases (none vs 10) and rating (5.0 vs 4.6). GoTall's advantage is update cadence (weekly vs every 36 months) and ratings volume (6.8K vs 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GoTall sells 10 in-app purchases, starting at $1.99 per 7 days. IAP Iowa asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

IAP Iowa holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: GoTall has 6.8K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of IAP Iowa's written reviews are positive against 21% of GoTall's.

UpkeepUpdate frequency

IAP Iowa ships an update every 36 months, GoTall weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
IAP Iowa versus GoTall: the parameters behind the verdict, then further details
ParameterIAP IowaGoTall
PriceFreeFree
Rating5.0 (3 ratings) — better4.6 (6.8K ratings)
Positive reviews100.0% of reviews — better21.0% of reviews
Number of ratings36.8K — better
Update frequencyEvery 36 monthsWeekly — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.4
Further details — not scored
Size124 MB147 MB
Age rating4+4+
DeveloperInnovative Athletics Sports Performance, LLCGrow Labs LLC

Customer experience

IAP Iowa

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

GoTall

All ratings6,784 ratings
Positive90.8%
Neutral3.7%
Negative5.5%
Written reviews181 reviews
Positive21.0%
Neutral3.3%
Negative75.7%

Bugs and requests

IAP Iowa

Not enough reviews yet to summarise bugs or requests.

GoTall

Reported bugs

1 issue
  • Paywall blocks access to core functionality

Requested features

2 requests
  • Free access to height prediction results
  • More transparency about data usage

In-app purchases

None

IAP Iowa

No in-app purchases

10 purchases

GoTall

Subscriptions10
  • Weekly Access$1.997 Days
  • Weekly Access$3.997 Days
  • GoTall Access7 Days trial$4.997 Days
Show 7 more
  • GoTall Weekly Plan$4.997 Days
  • Weekly Access$5.997 Days
  • Yearly Access$9.991 Year
  • Yearly Access$34.991 Year
  • Yearly Access3 Days trial$59.991 Year
  • GoTall Yearly Plan3 Days trial$59.991 Year
  • GoTall Yearly Pro7 Days trial$59.991 Year

Questions

Is IAP Iowa free?
IAP Iowa is free to download, with no in-app purchases.
Is GoTall free?
GoTall is free to download, with in-app purchases available.
Which has better reviews, IAP Iowa or GoTall?
IAP Iowa is rated higher. IAP Iowa averages 5.0 out of 5 from 3 ratings, while GoTall averages 4.6 from 6.8K ratings.
Do IAP Iowa or GoTall have ads?
Both IAP Iowa and GoTall show ads.
Which is updated more often, IAP Iowa or GoTall?
IAP Iowa ships an update every 36 months, and GoTall weekly. Most recently, IAP Iowa was updated on November 3, 2026 and GoTall on November 4, 2026.

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