Postpaid vs Prepaid: Cost Traps and Saving Tips for Mobile Plans in Switzerland

Prepaid or Postpaid – Which One Suits You Better?
If you want to make calls, surf the internet, or send SMS in Switzerland, you’ll need a suitable SIM card. This often leads to a key decision: prepaid or postpaid? Both models have their advantages and disadvantages – but what does that actually mean? In this article, we’ll show you how to avoid hidden costs, which model best suits your usage habits, and where to find affordable offers.
What Exactly Is a Prepaid SIM Card?

A prepaid card follows the principle: pay first, then use. You top up your account with a specific amount in advance and can then make calls, send SMS, or surf the web. Once your credit is used up, you’ll need to top up again to continue using the service. This ensures better cost control and protects you from unwanted expenses. There’s no need to commit to long-term contracts. Prepaid is also a great option for people who can’t get a mobile contract due to their credit rating.
What Does Postpaid Actually Mean?
With a postpaid contract, you use your mobile plan first and get billed at the end of the month – hence the name “postpaid.” Usually, you commit to a contract term, e.g., 24 months, and pay a fixed monthly fee. Depending on the provider, extra charges may apply for services not included in the plan, such as additional calls.
Comparing SIM Card Offers: Yallo, Salt, Wingo & Others






In Switzerland, many providers offer both prepaid and postpaid plans. These include Yallo, Salt, Wingo, TalkTalk, and Quickline.
Prepaid SIM Cards in Switzerland Compared
Prepaid plans come in various versions – from simple models for light users to all-inclusive offers with large data volumes. Providers like Yallo or M-Budget offer a wide range of prepaid options, often with flexible booking and cancellation terms.

Postpaid SIM Cards – With or Without Contract?
Many postpaid plans come with fixed durations – typically 12 or 24 months. However, there are now postpaid options with monthly cancellation, such as from Wingo or Quickline. Be sure to check if your postpaid plan requires a credit check and whether you’ll need extras like MultiSIM or roaming.
Where Can You Order a Prepaid SIM Card?
You can buy prepaid SIM cards directly from providers or at physical retail stores.
Clear Differences Explained: Prepaid vs Postpaid
Contract Commitment or Flexibility?
Postpaid usually means long-term commitment to a provider. Prepaid, on the other hand, is flexible – you can cancel monthly or simply not top up your credit. This makes prepaid especially attractive for users with changing needs or for teenagers.
What Costs Should You Really Expect?
Prepaid protects you from hidden costs, as you can only use what you’ve paid for in advance. Postpaid can become expensive if you exceed your included allowance or make calls abroad. For both models, pay attention to data volumes, call minutes, and possible add-ons.
Data Volume, Speed & Control

With prepaid, you can often book small data packages flexibly – ideal if you only stream or browse occasionally. Speed depends on the network and provider. Postpaid typically gives you a larger package with more GB and often faster internet.
Which Model Makes Sense When? – Decision Guide
Usage Type | Recommendation | Reason |
---|---|---|
Occasional Use | Prepaid | Pay only for what you use |
Teenagers or Children | Prepaid | Full cost control, no contracts |
Heavy Data/Call Users | Postpaid | Flat rates pay off long-term |
Frequent Travel Abroad | Postpaid or Prepaid with roaming | Depending on provider, better roaming rates |
Flexible Use, No Contract | Prepaid | Can cancel anytime, no minimum term |
Advantages of a Prepaid SIM Card – Simple, Affordable, Flexible
How Does a Prepaid SIM Card Work?
You get a prepaid SIM card, top it up with a certain amount, and then use it for calls, internet, or SMS. Once your credit runs out, you’ll need to recharge. You can top up using a credit card, Twint, or bank transfer.
How to Top Up – With Yallo, Wingo & Others
Top-ups are easy: use your provider’s app (like Yallo or Wingo), go online, or visit stores like Coop or Migros. You can even set up automatic top-ups once your balance drops below a certain amount.
Which Providers Offer Affordable Prepaid SIM Cards in Switzerland?

Popular providers include M-Budget, Yallo, Salt, and TalkTalk. They offer fair prepaid plans with flexible terms and good coverage. Prepaid is ideal for users who want great value for money.
Why Many Choose Postpaid
What Is Postpaid and Who Is It For?
Postpaid is ideal for heavy users who consume a lot of data or call minutes every month. You benefit from flat rates and don’t have to monitor or top up your credit. Everything you use is billed at the end of the month.
Postpaid Offers from Yallo, Sunrise & Others
In addition to Yallo, providers like Salt and Quickline also offer attractive postpaid plans. A credit check is usually required since your monthly bill is debited from your account.
More Data, More Convenience – The Benefits in Detail
Postpaid often means more convenience: automatic payment, larger data volumes, better network quality, and extras like MultiSIM or eSIM. If you’re planning long-term and your usage is stable, a postpaid plan can be more suitable.
eSIM, MultiSIM & Data Cards – Current Trends

Prepaid eSIM Card – Is It Worth Switching?
eSIMs are gaining popularity – even in the prepaid sector. You can book a cheap eSIM in Switzerland online and activate it immediately. Particularly practical for frequent travelers or digital nomads.
How to Find the Right Card for You
Cheapest Prepaid or All-Inclusive Postpaid?
Whether postpaid or prepaid suits you better depends on your usage. If you rarely make calls or use data, a prepaid plan is the better choice. For regular use and stable data needs, postpaid might be more practical.
Phone with Prepaid Card – What to Consider?
A prepaid plan can also be paired with an affordable smartphone. Pay attention to contract length, network compatibility, and whether you want to use an eSIM.
What Does a Prepaid SIM Card Really Cost?
Many prepaid plans start at just a few francs. You only pay for what you actually use – ideal for a kids’ phone plan or family option.
Prepaid vs Postpaid – Key Differences at a Glance
Criteria | Prepaid | Postpaid |
---|---|---|
Payment | In advance | Afterwards (bill) |
Contract Commitment | None | Usually 12–24 months |
Cost Control | High | Lower (risk of extra costs) |
Flexibility | Very high | Limited |
Use Without Credit Check | Yes | Rarely possible |
Ideal For… | Light users, teens | Heavy users, stable usage |
Conclusion – Our Recommendation for 2025
Prepaid vs Postpaid – both models have their pros. If you want more control, no hidden costs, and maximum flexibility, a prepaid plan is ideal. But if you use a lot of data over the long term, prefer consistent monthly costs, and value convenience, postpaid may suit you better. The key is to compare offers carefully and tailor your choice to your needs.
FAQs
Via your provider’s app, online banking, Twint, or in stores like Migros or Coop.
Prepaid means: pay first, then use. Postpaid means: use first, then pay. That’s the main difference.
Yes, some prepaid cards only incur costs when actively used – ideal for light users or secondary devices.
You can activate the eSIM directly via your provider’s app or by scanning a QR code.
Yallo, M-Budget, Salt, and Wingo offer good prepaid deals with fair terms.
M-Budget is especially affordable and ideal for light users; Yallo and Wingo offer more data and better options for heavy users.
Yes, many providers offer special data cards or prepaid plans for tablets.
After receiving the SIM card by mail, insert it, activate it via the website or app – and you’re done.