The 5 strongest deals of week 34
Every week we compare the published promotions from Migros, Coop, Aldi, Lidl and Denner and pick the 5 strongest. The page is updated every Thursday from the chains' current offer data.
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From 20.8.2026 to 26.8.2026, Migros, Coop, Aldi, Lidl and Denner are again running hundreds of weekly promotions. Here are the 5 strongest of week 34, selected by real discount from the published offer data of all five chains.
Data basis: the promotions published by the chains, as shown in the Rappn app, as of 22.8.2026. Prices in CHF. This page is a snapshot of the promo week; the live comparison shows today's state.
Rappn is Switzerland's only neutral grocery price-comparison app, with no commercial agreement with any retailer.
This week's top 5
| Product | Chain | Price | was | Discount | valid until |
|---|---|---|---|---|---|
| Persil Universal Powder Detergent 4.95kg (4.95kg) 5.04/KG | Denner | 24.95 | 57.35 | -57% | 26.8.2026 |
| Sipuro Bathroom hygiene 2x650ml (2x650ml) 4.58/L | Denner | 5.95 | 13.40 | -56% | 26.8.2026 |
| Lindt White Chocolate with Matcha and Strawberry 145g (145g) 30.70/KG | Coop | 4.45 | 9.95 | -55% | 26.8.2026 |
| Peroni Red 24x330ml (24x330ml) 2.52/L | Coop | 19.95 | 42.– | -53% | 26.8.2026 |
| Color liquid laundry detergent with aloe vera (2l) 4.00/L | Migros | 7.98 | 15.95 | -50% | 26.8.2026 |
Added together, these five promotions are worth CHF 75.37 in savings versus the regular prices. The biggest single item is Persil Universal Powder Detergent 4.95kg at Denner, saving CHF 32.40. Save the products to your shopping list and check the prices in the live comparison before you head to the store.
Why these 5?
We rank all published promotions from the five chains by the real percentage discount. Each chain can place at most 2 offers, and only dated promotions valid through the end of the promo week count. When discounts are similar, we prefer everyday staples. Data basis: canton of Zurich, collected on 22.8.2026. Individual promotions can differ by canton or store format.
How the Swiss promotion cycle works
Since February 2026, Migros, Coop and Denner have started their weekly promotions on Thursday; Aldi and Lidl add new offers on Monday too. That is why this selection is published every Thursday. For next week's preview, see Coop deals next week, Migros deals next week and Denner deals next week.
See every current promotion in the live comparison: in the Rappn app or right here on rappn.ch.
Sources checked: .
Why Rappn?
Rappn is the only neutral grocery price comparison app in Switzerland, with no commercial agreements with any retailer. Our comparisons are truly independent.
- 100% free: no subscription, no hidden costs
- Neutral: no commercial agreements with Migros, Coop, Aldi, Lidl, Denner, Aligro, or Otto’s
- Real-time data: prices updated continuously
- +10,000 offers, +3,000 supermarkets, 100% free
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Frequently Asked Questions
When do new promotions start in Switzerland?
Since February 2026, Migros, Coop and Denner have started their weekly promotions on Thursday. Aldi and Lidl also publish new offers on Monday. That is why this page is refreshed every Thursday, when most new promotions go live.
How are the top 5 chosen?
We rank the published promotions from the five chains by the real percentage discount, with at most 2 offers per chain. Only dated promotions valid through the end of the promo week count. When discounts are similar, everyday staples come first.
Are promotions the same in every canton?
Not always: some promotions differ by canton, region or store format, and a few offers are online-only or in-store only. Check the current price in the live comparison in the Rappn app before you head out.