# A2Calc vs LOCKLY®

The clearest difference is review sentiment: A2Calc at 94% against LOCKLY®'s 47%. A2Calc also leads on in-app purchases (none vs 11) and rating (4.7 vs 4.5). LOCKLY®'s advantage is price (Free vs $6.99) and ratings volume (8K vs 10). On ads, device support and iOS requirement there is nothing between them.

LOCKLY® is free to download; A2Calc costs $6.99 up front. LOCKLY® sells 11 in-app purchases, starting at $2.00 per month. A2Calc asks for nothing beyond the download.

A2Calc holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: LOCKLY® has 8K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 94% of A2Calc's written reviews are positive against 47% of LOCKLY®'s.

A2Calc ships an update every 3 months, LOCKLY® monthly. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | A2Calc | LOCKLY® |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.7 (10 ratings)](https://appshunter.io/ios/app/a2calc/id589583757/reviews)** | [4.5 (8K ratings)](https://appshunter.io/ios/app/lockly/id1408331821/reviews) |
| Number of ratings | 10 | **8K** |
| Positive reviews | **93.8% of reviews** | 47.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 207 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [PIN GENIE LIMITED](https://appshunter.io/developer/1118646944) |

## What reviewers say

### A2Calc

[App page](https://appshunter.io/ios/app/a2calc/id589583757)

This app assists locksmiths by automatically calculating pinning charts for A2 SFIC systems. It supports 6 or 7 pin systems and includes features like a randomize function, control finder, and project saving. Projects are encrypted and can be shared via AirPrint or email.

**Highlights:** Automatic pinning chart calculation, Supports 6 or 7 pin systems, Randomize chart generation, Control Finder for lost control keys, Save up to 16 projects, Encrypted and passcode-protected projects, Share projects via AirPrint or email

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

**In-app purchases:** none


### LOCKLY®

[App page](https://appshunter.io/ios/app/lockly/id1408331821)

Manage your older Lockly smart locks and safes. Remotely control access, generate temporary codes, and monitor activity logs. Integrates with voice assistants for convenient, hands-free operation.

**Highlights:** Remote lock/unlock, Offline Access Codes™, Activity log viewing, Voice assistant integration, Guided device setup

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 lock subscription per month | $2.00 | per month |
| 2 lock subscription per month | $4.00 | per month |
| 3 lock subscription per month | $6.00 | per month |
| 4 lock subscription per month | $8.00 | per month |
| 5 lock subscription per month | $10.00 | per month |
| 1 lock subscription per year | $19.00 | per year |
| 2 lock subscription per year | $38.00 | per year |
| 3 lock subscription per year | $57.00 | per year |
| 4 lock subscription per year | $76.00 | per year |
| 5 lock subscription per year | $95.00 | per year |
| 5 locks subscription per year | $119.99 | per year |

**What reviewers like**

- 🚀 Fast and easy setup
- 🔒 Robust security features
- 👍 Convenient fingerprint access
- 👍 Helpful customer support

**What reviewers complain about**

- 🐛 Connectivity issues with Wi-Fi and Bluetooth
- 🔋 Short battery life
- 👎 Unreliable app performance
- 👎 Difficult to use interface

**Reported bugs**

- App frequently loses connection to the lock
- Fingerprint reader not always responsive
- Inconsistent behavior when manually locking/unlocking the door
- Firmware updates causing issues

**Requested features**

- Add support for Apple HomeKit and other smart home integrations
- Improve notification and log features
- Allow multiple admin users for shared homes
- Implement scheduling and automation options


## Frequently asked questions

### Is A2Calc free?

A2Calc costs $6.99, with no in-app purchases.

### Is LOCKLY® free?

LOCKLY® is free to download, with in-app purchases available.

### Which has better reviews, A2Calc or LOCKLY®?

A2Calc is rated higher. A2Calc averages 4.7 out of 5 from 10 ratings, while LOCKLY® averages 4.5 from 8K ratings.

### Do A2Calc or LOCKLY® have ads?

Neither A2Calc nor LOCKLY® shows ads.

### Which is updated more often, A2Calc or LOCKLY®?

A2Calc ships an update every 3 months, and LOCKLY® monthly. Most recently, A2Calc was updated on September 30, 2026 and LOCKLY® on October 11, 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.*