The Fitness Apps Worth Keeping on Your Phone

Nike Run Club is the most complete running find in the group because the listing confirms 300+ free guided runs and workouts, plus plans for 5K, 10K, half-marathon, and longer goals. That makes it more useful than a basic GPS log when you need a session prescribed rather than merely recorded. The limitation is membership access: the listing says users become Nike Members, and training plans are marked with an asterisk, so check the current in-app terms before building a long plan around it. Best for new or returning runners who want guided audio sessions and a clear distance target without paying upfront.

A 4.8 rating from 1.7k ratings gives Running Walking Jogging Goals the strongest visible user signal in this set. Its store listing is refreshingly direct: track and map run or walk distance, with a free download and in-app purchases. Compared with Nike Run Club, it appears focused on recording and goals rather than coaching, which is exactly what many walkers need. The trade-off is less evidence of structured training or guided sessions in the available listing. Best for iPhone users who want a straightforward distance tracker and do not need an audio coach.

adidas Running covers runs, walks, workouts, challenges, and progress tracking, so it sits between the minimalist tracker and the more coaching-heavy Nike app. The description explicitly mentions beginners, people returning after a break, and athletes working toward a goal. That broad positioning is useful, but it also means the available listing gives less concrete detail than Nike’s 300+ guided sessions. Best for Android or iPhone users who want one activity hub and motivation through challenges rather than a narrowly focused running plan.

TeethPal has the cleanest privacy proposition in the dental group: the listing says no sign-up and no ads. Its three-shot scan covers the front smile, upper jaw, and lower jaw, with on-screen guides and plain-language explanations for each visible tooth. That is more actionable than a single selfie score, especially when you want to prepare questions for a dentist. Still, photo analysis should be treated as a conversation starter, not proof that a cavity or gum problem is absent. Best for Android users who want a low-friction visual check without creating an account.

Philips Sonicare makes more sense as a companion to compatible hardware than as a standalone oral-health app. The listing promises personalised coaching after connecting a Sonicare toothbrush and focuses on reaching every area and strengthening brushing habits. That hardware dependency is the whole story: owners may get useful feedback, while everyone else gets little value from the download. Best for Sonicare users who want brushing guidance tied to their actual routine rather than a cosmetic before-and-after score.

Oral-B takes a similar connected-brush approach, with a specific behavioural target in its listing: the average person brushes for 30–60 seconds, and up to 80% spend too little time in at least one mouth zone. Those figures explain why coaching can matter more than whitening filters. The app is less compelling if you do not own compatible Oral-B equipment, and the supplied listing does not confirm current pricing, app size, or the exact device range. Best for Oral-B brush owners who routinely rush or miss back molars.

Bright Smile turns a teeth photo and answers about oral-hygiene habits into a whiteness score, personalised analysis, a routine, and monthly progress updates. That is a neat onboarding flow, but the available description gives no price, rating, app size, or evidence that the score measures clinical health. Compared with TeethPal, it leans more toward cosmetic tracking than tooth-by-tooth explanation. Best for Android users who want a visual whitening routine and understand that the result is an estimate, not dental screening.

Enamel is the iPhone-only member of the cosmetic group, offering an AI smile scan and shade tracker through a free download with in-app purchases. The narrow platform limit is a serious drawback for mixed-device households, and the listing does not provide a price, rating, or details about what the paid tier unlocks. Its appeal is clear if shade tracking is your main goal, but TeethPal gives a more useful account-free scan on Android and Bright Smile describes a broader routine. Best for iPhone users who specifically want ongoing shade tracking and are willing to inspect the purchase screen before subscribing.

Kerngesund Nehren has only 100+ downloads in the supplied listing, so it is a local utility rather than a broadly tested fitness platform. It lets members change membership details and receive club news, but the requested permissions—calendar, photos or media, storage, camera, and microphone—look broad for that job. That does not prove misuse, yet it is enough reason to review Android’s permission controls and deny anything unrelated to the feature you need. Best for existing members of Kerngesund-Nehren who need club administration, not people searching for training plans.