AUM beats subscription for wealth

Choosing AUM would make the product richer precisely because it gets paid more as balances rise, not because the software gets meaningfully better. In digital wealth, that model usually produces much higher lifetime revenue per customer than flat software fees, but it also ties the company to the same incentive structure as traditional advisors, where revenue compounds as assets compound and fees quietly come out of the portfolio each year.

• The math is straightforward. Robo-advisors charging 20 to 25 bps need roughly $40B of assets to reach $100M of revenue. A flat subscription can be cheaper and easier to explain, but it gives up the automatic revenue lift that comes from rising balances and market appreciation.
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• The category trained users to accept AUM because the charge is deducted inside the account instead of billed like software. Betterment and Wealthfront both built large businesses on managed account fees, and later improved economics further by layering in cash products with better monetization per dollar than core robo accounts.
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• That is why modern wealth platforms keep drifting toward asset based pricing as they move upmarket. Firms serving $1M to $20M households often charge 75 to 100 bps, turning a single wealthy client into a five figure or even six figure annual revenue relationship, far above what consumer budgeting or tax software can earn on a subscription.
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Going forward, the winning consumer wealth products will keep bundling software with custody, advice, tax, and private market access so they can justify taking a slice of assets. Flat fee products can still win as a wedge, but the center of gravity in wealth management keeps pulling toward AUM because it scales faster with customer wealth than SaaS ever can.