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Noom and WW (Weight Watchers) are the UK's most popular weight loss apps. After testing both for 3 months, here's the honest comparison: price, approach, app quality, and results.
Price & Overview
| Feature | Noom | WW |
|---|---|---|
| Monthly cost | £39.99 | £19.95 |
| Annual cost | £479.88 | £239.40 |
| Free trial | 14 days | None |
| Approach | Psychology (CBT-based) | Points (SmartPoints) |
| App rating | 4.3★ | 4.7★ |
| Support | 1-on-1 coach (messaging) | Group meetings + community |
3-Month Trial Results
Noom result
11 pounds lost. Daily psychology lessons were insightful but felt like homework. Coach wasn't always helpful. Changed food mindset long-term.
WW result
14 pounds lost. Easy tracking with ZeroPoint foods. Loved the community accountability. Meetings occasionally felt 'sales-y'.
Who Should Choose What?
- Choose Noom if: You want to understand why you overeat, you've failed traditional diets, or you prefer 1-on-1 coaching over groups.
- Choose WW if: You want a proven, simple system, you thrive with community support, or you're price-conscious (half the Noom cost).
For most people, WW wins. It's half the price, has a better app (4.7 vs 4.3★), larger community, and produced better 3-month results in our test.
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Sento earns a referral if you click through our links — this never affects our recommendations. Prices and details correct at time of publication. Updated February 2026.