Same age.
Different stage.

Develupp is built on published research used to estimate adult height and maturity timing, the same methods many academies and federations use around the world.

These methods carry their own error, and were validated on specific populations that may not generalise well to others. This is a limit of the current research, and it applies to any tool using these methods.

Data capture, whether by camera or by hand, adds its own measurement error too. Develupp doesn't hide that error: every estimate shows a range based on the method's published error and typical measurement error.

No prediction is ever exact, but understanding the uncertainty around it gives staff the context to use it well.

Bio-banding by % of adult height uses the Khamis-Roche method, so it needs parents' heights. Players without them show as unclassified until you add them.

Maturity offset, an estimate of how far a player is from peak height velocity, uses only the player's own measurements, so you still get it without parents' heights.

Once you have three heights over a year, the SITAR method also activates to predict adult height (boys aged 8 to 18 for now). It just takes a little longer to build.

Visual maturity assessments from coaches and scouts, and SonicBone analysis if your team uses it, can also be imported and analysed alongside everything else available.

Develupp doesn't produce a single injury-risk score. It draws on published research linking growth speed and maturity phase, especially the period around peak height velocity, to higher injury rates in youth academy football (Monasterio et al. 2024, Johnson et al. 2020, Rommers et al. 2020), and follows the IOC's 2020 consensus for recording injury data.

Maturity phase feeds directly into that picture, and you choose which method estimates it, Khamis-Roche, SITAR, Mirwald, Moore or Fransen, depending on what data you have for each player. So you control the inputs behind what Develupp shows.

Treat it as context for a conversation, not a verdict: these signals highlight when to pay closer attention, not who will get injured. Involve a qualified medical professional in any injury decision.

No. Develupp is a sports performance tool, not a medical device. Growth, maturity and injury signals are shown for context, to support conversations between staff, players and guardians, not to diagnose, treat or predict individual outcomes. Any medical decision should involve a qualified professional.

Yes. Most of the published research behind Develupp comes from football, simply because that's where the majority of youth-sport growth and maturation studies have been done. That doesn't limit it to football: the underlying growth and maturity methods aren't sport-specific, and the app recommends which equations suit different populations best.

No. Camera scanning needs a LiDAR sensor, so it requires an iPhone 12 Pro or later, or an iPad Pro (2020) or later. Any other iPhone or iPad on iOS 17.6 or newer can enter measurements by hand, with full access to every report, prediction and injury tool.

Yes. Develupp lets you quickly import rosters and past measurements from XLS, XLSX or CSV files, with downloadable templates that show the expected columns.

If your team uses a SonicBone ultrasound device, a dedicated import brings those results into Develupp too.

If you already have historical data, it's used from the first day.

The in-app setup wizard makes getting your team up and running simple. Follow the steps to create teams and player profiles manually, or import an existing roster, and you can start collecting data within minutes.

Beyond that, our team offers ad-hoc support, and tutorials are being built as we speak.

Not yet. We're building for iOS first.

Android and web are planned for a later release.

Data is encrypted in transit (TLS) and at rest (AES-256), and kept separate per club and per team, so only the staff you approve can see it.

Consent works from inside the app too. Send a guardian a digital request and they can approve it in minutes, straight from the email they receive, no extra paperwork or separate account needed.

We never use your data to train or develop anything without your consent.

You can delete a player, or your whole account, from the app at any time. Deleted data is gone from our systems within 30 days.

We see our beta teams as development partners, not just early users. In return, they'll keep preferential access once Develupp launches publicly, including long-term pricing benefits and extended use privileges.