# ISEC7 MAIL vs BILDconnect Servicewelt

The clearest difference is in-app purchases: BILDconnect Servicewelt at none against ISEC7 MAIL's 1. ISEC7 MAIL's advantage is update cadence (monthly vs every 2 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. ISEC7 MAIL sells 1 in-app purchase, starting at $32.99 per year. BILDconnect Servicewelt asks for nothing beyond the download.

ISEC7 MAIL ships an update monthly, BILDconnect Servicewelt every 2 months. The most recent releases landed on October 22, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ISEC7 MAIL | BILDconnect Servicewelt |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 74 MB | 6 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ISEC7 Group](https://appshunter.io/developer/466418066) | [Drillisch Online GmbH](https://appshunter.io/developer/1706071080) |

## What reviewers say

### ISEC7 MAIL

[App page](https://appshunter.io/ios/app/isec7-mail/id1045017598)

Securely access and manage Microsoft Exchange and Office 365 email, contacts, and calendars from your mobile device. Offers features like mailbox delegation, public folder integration, and S/MIME encryption for sensitive information.

**Highlights:** Secure access to Exchange/Office 365, Contact, calendar, task, and note management, Mailbox delegation, Public folder integration, Certificate-based authentication, S/MIME encrypted and signed emails

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $32.99 | per year |


### BILDconnect Servicewelt

[App page](https://appshunter.io/ios/app/bildconnect-servicewelt/id1152968394)

Manage your mobile services, track data usage, view bills, and recharge prepaid credit. Easily update customer data, book tariff options, and access help and contact information.

**Highlights:** Control data usage, View bills, Recharge prepaid credit, Manage customer data, Book and manage tariff options, View tariff details, Manage multiple phone numbers

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISEC7 MAIL free?

ISEC7 MAIL is free to download, with in-app purchases available.

### Is BILDconnect Servicewelt free?

BILDconnect Servicewelt is free to download, with no in-app purchases.

### Do ISEC7 MAIL or BILDconnect Servicewelt have ads?

Neither ISEC7 MAIL nor BILDconnect Servicewelt shows ads.

### Which is updated more often, ISEC7 MAIL or BILDconnect Servicewelt?

ISEC7 MAIL ships an update monthly, and BILDconnect Servicewelt every 2 months. Most recently, ISEC7 MAIL was updated on October 22, 2026 and BILDconnect Servicewelt on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*