Best congstar Alternatives ranked by AI · updated Aug 2026

congstar is a German mobile provider offering prepaid and contract plans with access to Telekom's network. It serves users ranging from light prepaid customers to households needing conventional monthly mobile service.

Developer: congstar GmbH Price: From €5/4 weeks 🎯 congstar.de

Mobile Mobile Data germany prepaid phone plan

Top 6 congstar alternatives

Freenet Funk

freenet AG

freenet FUNK is an app-managed German mobile service for users who want flexible phone and data plans without a traditional contract. It...

Pros

Daily billing is more flexible than most monthly mobile plans
Unlimited-data option is competitively priced for heavy users
Plan changes and cancellation are handled directly in the app

Cons

Uses Telefónica coverage, which can be weaker than Telekom in rural areas
App-only account management is less convenient than web and retail support
Daily pricing can cost more than fixed monthly plans for moderate users

From €0.69/day; unlimited data from €0.99/day

Alternatives to Freenet Funk → Visit site

fraenk

congstar

fraenk is a digital German mobile plan aimed at customers who want a simple monthly contract managed through an app. It uses...

Pros

Telekom network generally offers stronger rural coverage than freenet FUNK's Telefónica network
Simple monthly pricing is easier to budget than daily billing
App-based signup and management are similarly streamlined

Cons

Fixed monthly data is less suitable than FUNK's unlimited option for very heavy usage
Less flexible for short-term or day-by-day usage
Monthly plan changes can be less immediate than FUNK's daily model

From €10/mo

Alternatives to fraenk → Visit site

sim.de

Drillisch Online GmbH

sim.de is a German low-cost mobile provider offering monthly SIM-only plans with substantial data allowances and all-net calling. It targets price-conscious users...

Pros

Often provides more monthly data per euro than traditional prepaid plans
Monthly plans are better suited to consistent usage than FUNK's daily billing
Broad tariff selection makes it easier to match different data needs

Cons

Typically relies on Telefónica coverage, so it does not improve network reach over FUNK
Promotional prices and contract terms require closer checking than FUNK's simple daily rate
No comparable unlimited-data value for users with extremely high usage

From €7.99/mo

Alternatives to sim.de → Visit site

ALDI TALK

E-Plus Service GmbH

ALDI TALK is a German prepaid mobile service sold through Aldi and online, with data packages, voice, and SMS options. It is...

Pros

Prepaid structure avoids long-term contract commitments
Retail availability at Aldi stores is more accessible than FUNK's app-only model
Regular package promotions can provide strong value for moderate users

Cons

Uses Telefónica network coverage like FUNK
Four-week package periods can result in 13 charges per year
Data packages are less suitable for unlimited-data users

From €8.99/4 weeks

Alternatives to ALDI TALK → Visit site

Lidl Connect

Vodafone GmbH

Lidl Connect is a German prepaid mobile service distributed through Lidl stores and online. It offers voice, SMS, and data bundles on...

Pros

Vodafone network can outperform Telefónica in some rural locations
Low entry pricing suits light and occasional users
Prepaid packages provide better spending control than recurring contracts

Cons

Four-week billing is less transparent annually than calendar-month billing
Data allowances are generally less suitable than FUNK for heavy users
Package selection and promotions can be more complex than FUNK's two main options

From €4.99/4 weeks

Alternatives to Lidl Connect → Visit site

Vodafone CallYa

Vodafone GmbH

Vodafone CallYa is Vodafone's German prepaid mobile portfolio for customers who want voice, messaging, and mobile data without a long-term contract. It...

Pros

Vodafone network can provide broader coverage than Telefónica in some regions
Prepaid format avoids a conventional fixed-term contract
Multiple packages support both light and relatively heavy data users

Cons

Entry packages generally provide less data value than low-cost sim.de plans
No similarly inexpensive unlimited-data option
Four-week renewals can create more than 12 charges annually

From €9.99/4 weeks

Alternatives to Vodafone CallYa → Visit site

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