No, commercial brain training apps are generally not worth buying to prevent or reverse cognitive decline. Brain training apps are commercial computer games that claim to strengthen memory, attention, and thinking speed through repeated practice. Most independent reviews find little to no lasting benefit for everyday thinking or dementia prevention. Practice tends to improve scores on the trained games themselves, not broader mental abilities.
Medical information disclaimer: This article is for general educational purposes only and does not provide medical advice, diagnosis, or treatment. Always consult a physician or other qualified health professional about symptoms, medications, tests, or treatment decisions.
Table of Contents
- What regulators and experts concluded
- What trials show for mild impairment
- What helps people who already have dementia?
- What protects thinking more reliably?
What regulators and experts concluded
More than 70 psychologists and neuroscientists stated that published studies do not support claims that brain games improve everyday cognition or prevent brain disease, according to Stanford News. The group was convened by the Stanford Center on Longevity and the Max Planck Institute in October 2014. The Federal Trade Commission ordered Lumos Labs to pay $2 million to settle charges that Lumosity ads deceptively promised better school and work performance and less age-related decline without adequate proof, according to the federal settlement announcement.
The case covered claims involving Alzheimer's disease and related impairment. The AARP-sponsored Global Council on Brain Health concluded that evidence for long-term brain-health benefits from commercial brain games is weak to non-existent, according to the council recommendations. It urged novel, engaging activities instead, such as learning a language or instrument.
What trials show for mild impairment
A 2019 Cochrane review pooled 8 trials with 660 people with mild cognitive impairment, a stage of noticeable memory problems beyond normal aging. No trial measured whether training prevented dementia onset, according to the Cochrane analysis. The authors concluded current evidence cannot determine whether computerized training maintains thinking in this group.
Samples were small, results were imprecise and inconsistent, and bias risks were high. That matters for buyers with early memory concerns. A higher game score does not mean lower dementia risk or better recall in daily life.
What helps people who already have dementia?
A separate Cochrane review of cognitive stimulation for mild-to-moderate dementia found probable small gains in overall thinking and memory. People also showed slight improvements in mood, well-being, and daily activities. Effects were slight and varied widely across programs.
Most benefits came from structured group programs, not solo use of commercial apps at home. For families, the setting matters as much as the task. Conversation, guidance, and social contact appear central to any gain.
What protects thinking more reliably?
Alzheimer's Society UK advises caution about commercial packages claiming to prevent or delay decline. It points instead to exercise, healthy diet, sleep, social activity, and varied mental engagement.
Practical swaps readers can make now include: The NIH-funded ACTIVE trial offers one narrow exception. Among 2,802 healthy adults followed from about age 74 to 84, computerized speed-of-processing training was linked to about 29% lower dementia incidence over 10 years, with larger benefit from booster sessions, according to the university trial summary. Memory-strategy and reasoning training showed no significant difference.
- Walk briskly most days rather than playing a daily brain-game level
- Join a class, choir, volunteer shift, or language group for social thinking
- Learn one new skill that forces effort, such as cooking, music, or photography
- Protect sleep and treat hearing loss, high blood pressure, and depression
