# Abac vs FillPass

The clearest difference is iOS requirement: FillPass at 13.0 against Abac's 15.2. On price, review sentiment, update cadence and ads there is nothing between them.

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

Abac ships an update every 4 months, FillPass every 2 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Abac | FillPass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/fillpass-password-passkey/id6476145160/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 32 MB | 87 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mathieu Ribeiro](https://appshunter.io/developer/1273974810) | [Nguyen Viet Anh](https://appshunter.io/developer/1819465883) |

## What reviewers say

### Abac

[App page](https://appshunter.io/ios/app/abac/id1551131912)

This utility app helps users calculate SF6 gas pressure based on ambient temperature, check densistat thresholds, and determine dew point. It is designed to be a comprehensive tool for specific industrial needs and will be improved with future updates.

**Highlights:** SF6 pressure conversion, Ambient temperature factor, Densistat threshold verification, Dew point calculation, Regular updates

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

**In-app purchases:** none


### FillPass

[App page](https://appshunter.io/ios/app/fillpass-password-passkey/id6476145160)

Securely store and manage all your passwords and passkeys in one place. This app encrypts your data using iCloud and allows for autofill on apps and websites. Access your credentials across all your Apple devices with biometric or PIN unlock.

**Highlights:** Encrypted iCloud storage, Cross-device sync, Biometric and PIN unlock, Secure password and passkey creation, Autofill for apps and websites, Insecure password warnings

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

**In-app purchases:** none


## Frequently asked questions

### Is Abac free?

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

### Is FillPass free?

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

### Do Abac or FillPass have ads?

Neither Abac nor FillPass shows ads.

### Which is updated more often, Abac or FillPass?

Abac ships an update every 4 months, and FillPass every 2 months. Most recently, Abac was updated on October 11, 2026 and FillPass on October 24, 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.*