# Symmetry Blue vs ONELock Access

The clearest difference is review sentiment: ONELock Access at 57% against Symmetry Blue's 9%. ONELock Access also leads on rating (3.5 vs 2.4) and update cadence (every 2 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

ONELock Access holds the better App Store score, 3.5 against 2.4. Both are backed by a comparable volume of ratings — 24 and 16 respectively. Written reviews point the same way: 9% of Symmetry Blue's written reviews are positive against 57% of ONELock Access's.

Symmetry Blue ships an update every 2 months, ONELock Access every 2 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Symmetry Blue | ONELock Access |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (24 ratings)](https://appshunter.io/ios/app/symmetry-blue/id1177035487/reviews) | **[3.5 (16 ratings)](https://appshunter.io/ios/app/onelock-access/id6744749316/reviews)** |
| Number of ratings | **24** | 16 |
| Positive reviews | 9.1% of reviews | **57.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 53 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AMAG Technology, Inc.](https://appshunter.io/developer/981139066) | [Robert Kapp](https://appshunter.io/developer/1612656136) |

## What reviewers say

### Symmetry Blue

[App page](https://appshunter.io/ios/app/symmetry-blue/id1177035487)

This app allows your mobile device to securely authenticate as a physical access card when presented to a compatible reader. It offers a convenient and user-friendly experience for gaining access to secured areas. Enrollment is straightforward and does not require additional licenses or subscriptions.

**Highlights:** Mobile physical access authentication, Securely authenticate with readers, User-friendly experience, Straightforward enrollment, No license or third-party subscription required

**Features:** Vision Pro support

**In-app purchases:** none


### ONELock Access

[App page](https://appshunter.io/ios/app/onelock-access/id6744749316)

This app transforms your smartphone into a digital key for your storage unit, eliminating the need for physical keys or remembering codes. It works seamlessly with storage facilities using KISS systems, allowing you to unlock your unit with a simple tap of your phone.

**Highlights:** Phone as digital key, Offline access, Manage multiple units, Share access with others, Secure and private, NFC technology

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

**In-app purchases:** none


## Frequently asked questions

### Is Symmetry Blue free?

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

### Is ONELock Access free?

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

### Which has better reviews, Symmetry Blue or ONELock Access?

ONELock Access is rated higher. Symmetry Blue averages 2.4 out of 5 from 24 ratings, while ONELock Access averages 3.5 from 16 ratings.

### Do Symmetry Blue or ONELock Access have ads?

Neither Symmetry Blue nor ONELock Access shows ads.

### Which is updated more often, Symmetry Blue or ONELock Access?

Symmetry Blue ships an update every 2 months, and ONELock Access every 2 weeks. Most recently, Symmetry Blue was updated on October 24, 2026 and ONELock Access on October 30, 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.*