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50% off your mobile plan? Here's how the math actually works

"Unlimited for CHF 19.95 instead of 39.95." You see headlines like this almost every day. Someone is paying the difference. Most of the time, it's you, just later.

Published 24 April 2026 · 5 min read

How much money is behind a "free plan"?

When you sign up through a comparison site or a reseller like mobilezone, money moves. Not from you at first — from the provider to the affiliate platform.

Typical commissions in the Swiss market:

These commissions are standard and not illegal in themselves. They allow comparison sites to stay free for the user. But the money has to come from somewhere.

⚠ The basic rule A CHF 200 commission equals 10 months of revenue on a CHF 20 plan. The provider has to recover that investment over the contract term — otherwise they lose money.

The four mechanisms by which you pay the "discount" back

1. Long contract commitment

The most common mechanism: 24-month minimum term. You take the promo price, but you can't cancel if a better offer shows up after 12 months. The provider has locked you in, even as the market shifts.

Example: Sunrise Swiss Connect Europe+
CHF 39.90/mo. for 24 months
Regular CHF 79.90/mo. Cancelling before 24 months costs the rest

2. Price jump after the promo

You sign at CHF 19.90. After 12 or 24 months, the price automatically jumps to the "normal" tariff. Most customers don't notice right away — the invoice looks similar month to month.

Example: yallo Swiss Data
CHF 29.90/mo. first 12 months
CHF 59.00/mo. from month 13
Over 2 years you pay CHF 1,066.80 — not CHF 717.60 as the online headline suggests

3. Weekly bait plans

TalkTalk, yallo, Salt Online and others constantly spin up new plan variants: "Swiss Flex", "Swiss Extra", "Swiss Platinum", "International S Flex". Each with its own promo price. Intended effect: comparison becomes impossible. You see 15 different offers from the same provider and can't tell which is actually cheapest over 24 months.

Most of these plans disappear after a few weeks. In our Supabase DB we track all of them for price history, but on handyabo.com we only show three core plans per provider: the cheapest, the best unlimited, the best with EU roaming.

4. Thinner service

The promo plan headlines at CHF 19.90 — but no EU roaming, slow 4G instead of 5G, or only 10 GB instead of unlimited. For the price of a real flat you end up paying extra for every trip abroad.

How to see through it

  1. Always check the permanent price. On handyabo.com we show the post-promo price as a badge on every plan with a promo. Comparisons use the permanent price.
  2. Calculate over 24 months. (Promo price × promo months) + (Regular price × remaining months). Only then you see the real bill.
  3. Favor "no contract" providers. Wingo, Digital Republic, Mucho, GoMo and Migros Mobile offer monthly cancellation, no hidden minimum term. If the price rises, you just leave.
  4. Ignore weekly "new promos". If a provider launches a new plan every month, that's marketing theatre. The permanent price stays stable.
✓ Real permanent prices — our picks These providers still charge the advertised price after 24 months:

What handyabo.com does differently

We also earn a commission per plan signed — disclosed transparently on every page. But:

This isn't altruism. We believe trust generates more commission long-term than short-term tuned rankings. But the result for you is the same: the price you see on handyabo.com is the price you're still paying in 24 months.

Find a plan that's still cheap in 2 years: To the calculator →