A mobile health app called CoachMePlus significantly improved nutrition knowledge and military readiness among Navy recruits, with 92% successfully completing basic training. According to Gram Research analysis, recruits using the app increased their nutrition test scores from 58 to 69 out of 100 and logged in an average of 2.1 times daily, showing strong engagement with the tracking and feedback features.
A new mobile app called CoachMePlus helped 92 young people preparing to join the Navy improve their eating habits and get ready for basic training. According to Gram Research analysis, recruits who used the app logged in about twice a day and learned more about nutrition and military skills. The app let recruiters track their progress in real time, and 92% of the recruits successfully completed basic training. Most recruits also reported feeling confident about their ability to exercise and eat well, though many still weren’t getting enough fiber, calcium, and vitamin D.
Key Statistics
A 2026 study of 92 Navy recruits found that those using the CoachMePlus mobile app improved their nutrition knowledge scores from 58 to 69 out of 100 over several months of training.
Research on Navy recruits showed that 92% of those using a mobile health app successfully completed basic training, with recruits logging into the app an average of 2.1 times per day.
A 2026 analysis of 92 future Navy sailors found that general military training test scores improved from 52 to 68 out of 100 among recruits using the CoachMePlus mobile health application.
According to a 2026 study of Navy recruits, over 80% of those using a mobile health app reported feeling confident or very confident about their ability to exercise and eat well by the end of the program.
The Quick Take
- What they studied: Whether a mobile health app could help young people preparing to join the Navy improve their diet, fitness knowledge, and readiness for basic training.
- Who participated: 92 future Navy recruits (79 men and 13 women) between ages 18-28 who were in the Navy’s waiting period before basic training started.
- Key finding: Recruits using the app improved their nutrition knowledge scores from 58 to 69 out of 100, and 92% successfully completed basic training. They logged into the app an average of 2.1 times per day.
- What it means for you: If you’re preparing for military service or any intensive training program, using a tracking app with expert feedback can help you build better eating habits and feel more confident. However, most recruits still needed to improve their fiber, calcium, and vitamin D intake.
The Research Details
Researchers gave 92 young people preparing to join the Navy access to a mobile app called CoachMePlus for several months before their basic training started. The app had three sections: general military training, nutrition education, and physical fitness. Each month, recruiters measured the recruits’ weight and body fat. The recruits logged into the app about twice a day, completed weekly check-ins, and recorded what they ate for 3 days each month so a nutrition expert could review it.
The researchers tested the recruits’ knowledge about military training and nutrition at the beginning and end of the program. They also tracked how many recruits successfully completed basic training and asked recruiters what they thought about the app. This approach let the researchers see both whether the app worked and how people actually used it in real life.
This study design is important because it tests whether an app works in a real military setting, not just in a lab. By tracking actual usage (recruits logged in 2.1 times daily), measuring real outcomes (test scores and graduation rates), and getting feedback from recruiters, the researchers could see if the app actually helped prepare people for military service.
The study tracked real recruits over several months with actual measurements of weight, body fat, and test scores, which makes the results more reliable than surveys alone. However, the study only included 92 people from one military branch, so results might differ in other groups. The high graduation rate (92%) suggests the app may have helped, but the study didn’t compare these recruits to a group that didn’t use the app, which would have shown the app’s true impact more clearly.
What the Results Show
Recruits who used the CoachMePlus app showed significant improvements in their knowledge. Their general military training test scores jumped from about 52 to 68 out of 100, and their nutrition knowledge scores increased from 58 to 69 out of 100. These improvements happened over the several months they used the app before basic training.
The app was also very engaging—recruits logged in an average of 2.1 times per day, showing they actually used it regularly. Most importantly, 92% of the recruits (85 out of 92) successfully completed basic training, which is a strong indicator that the app helped prepare them.
When recruiters were asked about the app, they said the real-time tracking of progress and immediate feedback were the most helpful features. This suggests that seeing your own improvement as it happens motivates people to keep going.
Over 80% of recruits reported feeling confident or very confident about their ability to exercise and eat well by the end of the program. However, when nutrition experts reviewed what recruits actually ate, they found most weren’t getting enough fiber (the part of food that helps digestion) and were eating too much fat and sodium (salt). Many also weren’t getting enough calcium and vitamin D, which are important for strong bones.
This study adds to growing evidence that mobile health apps can help people make better health choices. Previous research has shown apps work for tracking fitness and nutrition in general populations, but this is one of the first studies showing they can help prepare military recruits specifically. The high engagement rate (2.1 logins per day) is better than many other health apps, suggesting the military setting and recruiter support made a difference.
The study didn’t include a comparison group of recruits who didn’t use the app, so we can’t be completely sure the app caused the improvements rather than other factors. The group was mostly male (79 men, 13 women), so results might be different for women. Only 59 recruits recorded their food intake, which is less than two-thirds of the group, so we don’t have complete nutrition data. The study was done with Navy recruits, so the results might not apply to other military branches or non-military training programs.
The Bottom Line
If you’re preparing for military service or intensive training, using a mobile health app with expert feedback can help you improve your nutrition knowledge and stay motivated. Focus especially on eating more fiber-rich foods, reducing salt and fat, and getting enough calcium and vitamin D through dairy products, leafy greens, or supplements. Check in with the app regularly (aim for at least once daily) to see the best results. Confidence level: Moderate to Strong—the study shows the app works, but more research comparing app users to non-users would strengthen this recommendation.
This research is most relevant to military recruits preparing for basic training, military recruiters looking for training tools, and anyone preparing for an intensive physical or mental challenge. It’s also useful for fitness coaches and nutritionists who want to use mobile apps to help clients. People with very limited access to smartphones or internet may not benefit as much from this approach.
Based on this study, you can expect to see improvements in your nutrition knowledge within a few weeks of regular app use. Physical changes like weight loss or improved fitness typically take 4-8 weeks to become noticeable. The recruits in this study used the app for several months before basic training, so plan for at least 2-3 months of consistent use to see meaningful changes in your readiness and confidence.
Frequently Asked Questions
Can a fitness app really help me prepare for military basic training?
Research shows mobile health apps can improve nutrition knowledge and military readiness. In a 2026 study of 92 Navy recruits, 92% using the CoachMePlus app successfully completed basic training, and their nutrition knowledge scores improved by 11 points. Regular app use (2+ times daily) appears most effective.
How often should I use a health tracking app to see real results?
The Navy recruits in this study logged in an average of 2.1 times per day and saw significant improvements in knowledge and training completion. Aim for at least once daily, but twice daily appears to maximize engagement and results. Consistency matters more than perfection.
What nutrients are military recruits typically not getting enough of?
Research on Navy recruits found most weren’t getting enough fiber, calcium, and vitamin D, while consuming too much fat and sodium. Focus on adding leafy greens, dairy products, whole grains, and beans to your diet to address these common gaps.
Does tracking food intake actually change what people eat?
A 2026 study of 92 Navy recruits found that those who recorded their food intake for at least 7 days became aware of their nutritional gaps, particularly in fiber, calcium, and vitamin D. This awareness is the first step toward making dietary improvements.
How long does it take to feel more confident about fitness and nutrition?
In this study, over 80% of Navy recruits reported feeling confident about exercise and nutrition after using the app for several months. Most people see improvements in knowledge within weeks, but confidence and habit changes typically take 2-3 months of consistent tracking.
Want to Apply This Research?
- Log your food intake for 3 days each month and track your weight weekly. Set a goal to log into your nutrition or fitness app at least twice daily, just like the Navy recruits did. This frequency keeps you engaged and helps you notice patterns in your eating and exercise habits.
- Start by using the app to record one meal per day for a week, then gradually increase to tracking all meals. Focus on adding one high-fiber food (like beans, whole grains, or vegetables) to each meal and reducing salty snacks. Use the app’s feedback feature to celebrate small wins, which builds confidence.
- Set weekly check-in reminders on your phone. Each week, review your nutrition scores and see which nutrients you’re missing (fiber, calcium, vitamin D). Adjust your meals the following week based on what the app recommends. Monthly, measure your weight and body measurements to track physical progress alongside your nutrition improvements.
This research describes outcomes for Navy recruits in a specific training program and should not be considered medical advice. Individual results may vary based on age, fitness level, existing health conditions, and dietary needs. Before making significant changes to your diet or starting an intensive training program, consult with a healthcare provider, registered dietitian, or military medical personnel. Mobile health apps are tools to support, not replace, professional medical guidance. If you have concerns about your nutrition or fitness readiness, speak with a qualified healthcare professional.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.