2026/01/19 Financial Incentives and Reward-Based Mobile Health Programs

Financial Incentives and Reward-Based Mobile Health Programs Show Promising Benefits for Physical Activity


Incentive-driven health interventions — including financial rewards and mobile health (mHealth) point systems — are attracting growing research attention as a strategy to promote physical activity and healthier behaviors across diverse populations. Two recent studies highlight the potential of these approaches while outlining challenges for sustained impact.

A systematic review and meta-analysis published in Preventive Medicine examined the effects of financial incentives on adult physical activity. Across 29 studies included in the analysis, incentive-based interventions were consistently associated with short-term increases in physical activity levels. When financial incentives were implemented, participants showed clinically meaningful improvements in their physical activity — commonly reflected in metrics like daily step counts — compared with control groups without incentives. The review also found that contextual factors such as incentive size, goal-setting strategies, and integration with wearable activity trackers significantly influenced program effectiveness. While long-term data remain limited, these results suggest that well-designed financial incentive schemes — such as points, vouchers, or monetary rewards tied to activity targets — can serve as effective catalysts for increasing physical activity among adults in the short term.

Complementing this broader evidence base, a large retrospective observational study from Seoul, South Korea, investigated the immediate effects of “double-point” incentives within a community-based mHealth program that encouraged participants to walk at least 7,000 steps per day. During a special 1-week incentive event, participants who were previously low in engagement received double the usual points — redeemable at pharmacies, sports facilities, and other health-related establishments — for meeting daily step targets. Although only about 13.7 % of low-engaged participants increased their physical activity during the incentive week, those who did showed a more than two-fold increase in weekly engagement and an average rise of nearly 2,000 daily steps.

Importantly, the study also revealed that behavior change was not always sustained once the enhanced incentive ended: roughly half of the initially improved participants returned to lower activity levels within three weeks. These findings highlight a key insight — that short-term financial or points-based incentives can motivate behavior change, especially among individuals with historically low engagement, but additional strategies may be necessary to maintain long-term healthy habits.

Taken together, the evidence underscores the promise of incentive-based health promotion strategies. Financial incentives and mobile reward systems can be useful tools to kick-start physical activity and engagement, especially when combined with goal-setting, wearable technologies, and clear behavior targets. However, both researchers emphasize that long-term adherence may require a broader mix of support mechanisms such as personalized feedback, social support, and behavioral coaching.

These studies add to a growing international dialogue on how “health coins,” vouchers, and reward schemes can complement traditional public health efforts — particularly in addressing sedentary lifestyles and chronic disease risk at the population level.
 
https://www.sciencedirect.com/science/article/pii/S0091743525000209?via%3Dihub
https://mhealth.jmir.org/2025/1/e66227