IAP Iowa vs GoTall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- View class schedules
- Sign up for classes
- Studio location information
- Schedule management
- Device-based booking
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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!
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.
- Scientific height prediction
- Personalized growth plan
- Daily exercises
- Nutrition analysis
- Lifestyle tracking
- Puberty stage analysis
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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
Verdict
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
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.
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.
IAP Iowa ships an update every 36 months, GoTall weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | IAP Iowa | GoTall |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.6 (6.8K ratings) |
| Positive reviews | 100.0% of reviews — better | 21.0% of reviews |
| Number of ratings | 3 | 6.8K — better |
| Update frequency | Every 36 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 124 MB | 147 MB |
| Age rating | 4+ | 4+ |
| Developer | Innovative Athletics Sports Performance, LLC | Grow Labs LLC |
Customer experience
IAP Iowa
GoTall
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
IAP Iowa
No in-app purchases
GoTall
- Weekly Access$1.997 Days
- Weekly Access$3.997 Days
- GoTall Access7 Days trial$4.997 Days
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- 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









