# ACI+ vs Subnet Vault

ACI+ and Subnet Vault are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ACI+ ships an update every 4 months, Subnet Vault every 2 months. The most recent releases landed on September 15, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | ACI+ | Subnet Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/subnet-vault/id6740009200/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 75 MB | 6 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ACI Communications, Inc](https://appshunter.io/developer/1141246666) | [Andrew Carlson](https://appshunter.io/developer/1787798578) |

## What reviewers say

### ACI+

[App page](https://appshunter.io/ios/app/aci-plus/id6454832576)

**Features:** macOS Compatibility

**In-app purchases:** none


### Subnet Vault

[App page](https://appshunter.io/ios/app/subnet-vault/id6740009200)

This comprehensive network utility app offers subnet calculators, diagnostic tools like ping and traceroute, and network discovery features. It also includes educational resources for learning IP addressing and subnetting. Sync your data across Apple devices via iCloud.

**Highlights:** IPv4 and IPv6 subnet calculators, VLSM optimization, Ping, Traceroute, and WHOIS tools, Port scanner and network discovery, IP geolocation, Wake-on-LAN functionality, Networking glossary and tutorials

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

**In-app purchases:** none


## Frequently asked questions

### Is ACI+ free?

ACI+ is free to download, with no in-app purchases.

### Is Subnet Vault free?

Subnet Vault is free to download, with no in-app purchases.

### Do ACI+ or Subnet Vault have ads?

Neither ACI+ nor Subnet Vault shows ads.

### Which is updated more often, ACI+ or Subnet Vault?

ACI+ ships an update every 4 months, and Subnet Vault every 2 months. Most recently, ACI+ was updated on September 15, 2026 and Subnet Vault on September 3, 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.*