Telecommunications and subscriptions
Mobile or internet box package: compare coverage and contract
The best national price does not guarantee the best service at home or on your journeys. Comparison must start with the actual coverage or eligibility, and then integrate the entire duration of the contract.
Quick response
Essential in a minute
Test the address for a box and places of use for a mobile package using the official tools and information of each operator. List calls, data, destinations, television and equipment really needed. Calculate the cost over the envisaged duration by adding activation, rental, delivery and termination, then read the price after promotion. Keep the contractual summary and check commitment, portability, return of equipment and the consequences of a tariff change.
1. Check the network before the rate
For mobile phones, see voice, SMS and data coverage at home, at work and on important routes. Maps remain a model: complete them with available quality measurements and local experience without turning isolated testimony into certainty. For a box, test eligibility at the exact address and identify the proposed technology, estimated throughput and connection constraints. An identical business name may correspond to different performances depending on the housing.
- Mobile use locations examined.
- Tested exact address for the box.
- Technology and estimated flow rate identified.
2. Defining the really necessary services
Collect monthly data consumption, international calls, connection sharing, number of users, telework, video, game and TV need. Check limitations beyond a volume, roaming, included destinations and enabled options. For a box, check ports, Wi-Fi, repeaters, decoder and landline phone. A bundled offer may seem cheaper while adding an unnecessary service or making it more difficult to terminate several items.
- Current consumption recorded.
- Checked destinations and roaming.
- Equipment and useful options only.
3. Calculate the cost over the correct duration
Note the promotional rate, its duration, and then the normal price. Add activation, SIM card, delivery, installation, equipment rental and planned termination costs. If a phone is included, distinguish its financing from the service and calculate what would remain due in case of early departure. Compare over twelve or twenty-four months depending on the commitment without assuming that you will change exactly the day of the promotion end. The contractual summary must synthesize the essential characteristics.
- Price after integrated promotion.
- All one-time charges added.
- Terminal separated from the service.
4. Preparing for portability, restitution and exit
Check the duration of engagement, notice, number retention, switch date and processing of associated services. Do not manually terminate a line before portability if the procedure provides that the new operator will be loaded. For a box, inventory router, power supply, decoder, cables and accessories, then keep proof of return. The operator may change certain conditions by informing you; the official sources specify the possibilities of cancellation without charge within the applicable time limits.
- Portability procedure included.
- Inventory of equipment and accessories.
- Evidence of termination and restitution kept.
Compare
Compare beyond the call price
| Criteria | Mobile | Box |
|---|---|---|
| Availability | Coverage and local quality | Eligibility for the address |
| Use | Data, calls, roaming | Debit, Wi-Fi, TV |
| Cost | SIM, terminal, after promotion | Activation, rental, termination |
| Output | Portability and commitment | Notice and refund |
Fictional example · No merchant prices
A promotional monthly payment does not describe twelve months
Hypothetical example: A costs 10 € per month for six months, then 18 € per month, plus 10 € in initial fees. Over twelve months, it costs 6 × 10 € + 6 × 18 € + 10 € = 178 €. B costs 14 € per month for twelve months, plus 5 € in fees, totalling 173 €. B costs 5 € less over that period. Over six months, A costs 70 € and B 89 €, before any other fees: the chosen duration changes the result.
| Expense item | Plan A | Plan B |
|---|---|---|
| First six months | 60.00 € | 84.00 € |
| Next six months | 108.00 € | 84.00 € |
| Initial fees | 10.00 € | 5.00 € |
| Total of included items | 178.00 € | 173.00 € |
Over twelve months: €178 versus €173. At six months, the same plans cost €70 and €89. The chosen period can reverse the order.
- Enter actual duration and end of promotional period.
- Count initial and other known charges.
- Compare also coverage and services of both formulas.
Before you continue
Final checklist : Compare mobile and broadband plans
Check the points you actually checked. Checks stay in this page during the visit; they are not sent to the server. A checked point does not constitute a validation of the merchant.
Guide: Compare mobile and broadband plans · Révision éditoriale : 14 October 2026.
Frequently Asked Questions
Useful answers
Does a cover card guarantee the service?
No. It gives an estimate and must be supplemented by quality measures and local conditions, particularly within buildings.
What price to compare for a telecom promotion?
Calculate the cumulative cost over your likely duration of use, with the price after promotion and the cost of activation, equipment and termination.
What to keep after a box has been cancelled?
Keep the application, confirmation, list of returned equipment, deposit receipt and tracking until closing invoice.
To check
Reference sources and documentation
The editorial update date does not guarantee a new verification of each source. See the references for an individual situation or regulatory evolution.
- DGCCRF — Analysing telephone and internet offersContract summary, commitment, fees, bundled offers and termination.
- Arcep — My mobile networkOfficial comparison of coverage and quality of service.


