# Contacts Backup－Easy Export vs OT Subnet Calculator

The clearest difference is price: OT Subnet Calculator at Free against Contacts Backup－Easy Export's $2.99. OT Subnet Calculator also leads on review sentiment (100% vs 58%) and update cadence (every 3 weeks vs every 7 months). Contacts Backup－Easy Export's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 26.2). On ads and device support there is nothing between them.

OT Subnet Calculator is free to download; Contacts Backup－Easy Export costs $2.99 up front. OT Subnet Calculator sells 1 one-off in-app purchase. Contacts Backup－Easy Export asks for nothing beyond the download.

Contacts Backup－Easy Export ships an update every 7 months, OT Subnet Calculator every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Contacts Backup－Easy Export | OT Subnet Calculator |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (19 ratings)](https://appshunter.io/ios/app/contacts-backupeasy-export/id1491603360/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 58.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 8 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [婧 李](https://appshunter.io/developer/797015558) | [Dominik Gausmann](https://appshunter.io/developer/1870320985) |

## What reviewers say

### Contacts Backup－Easy Export

[App page](https://appshunter.io/ios/app/contacts-backupeasy-export/id1491603360)

Securely back up and export your contacts to various file formats like Excel, vCard, or CSV. Restore your contacts on any device with a single tap, all without ads or third-party servers.

**Highlights:** One-tap contact backup, Export to Excel, vCard, CSV, Restore contacts on any device, No ads, User-friendly interface, iCloud backup and sync

**Features:** Vision Pro support

**In-app purchases:** none


### OT Subnet Calculator

[App page](https://appshunter.io/ios/app/ot-subnet-calculator/id6758581610)

This app offers advanced IP subnet calculations and comprehensive IP address management (IPAM) tools. It helps organize networks, devices, and reservations with features like visual address maps, conflict checks, and collaboration options. Learn network concepts through guides and interactive examples.

**Highlights:** IPv4 subnet calculations, IP address management (IPAM), Network and device organization, Conflict detection, Collaboration via iCloud sync, CSV and PDF reporting, IPv6 exploration

**Features:** macOS Compatibility, Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IP Calc Profi Features | $2.99 | one-time |


## Frequently asked questions

### Is Contacts Backup－Easy Export free?

Contacts Backup－Easy Export costs $2.99, with no in-app purchases.

### Is OT Subnet Calculator free?

OT Subnet Calculator is free to download, with in-app purchases available.

### Do Contacts Backup－Easy Export or OT Subnet Calculator have ads?

Neither Contacts Backup－Easy Export nor OT Subnet Calculator shows ads.

### Which is updated more often, Contacts Backup－Easy Export or OT Subnet Calculator?

Contacts Backup－Easy Export ships an update every 7 months, and OT Subnet Calculator every 3 weeks. Most recently, Contacts Backup－Easy Export was updated on November 3, 2026 and OT Subnet Calculator on November 5, 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.*