# Ajax PRO vs ChargerSync

Ajax PRO and ChargerSync both sit at 4.7 stars, but that hides the real split: 72% of Ajax PRO's written reviews are positive against 7% of ChargerSync's. Ajax PRO also leads on update cadence (fortnightly vs every 2 months). ChargerSync's advantage is ratings volume (46 vs 15) and iOS requirement (15.3 vs 18.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.7 for Ajax PRO against 4.8 for ChargerSync. Both are backed by a comparable volume of ratings — 15 and 46 respectively. Written reviews are what separate them: 72% of Ajax PRO's written reviews are positive against 7% of ChargerSync's.

Ajax PRO ships an update fortnightly, ChargerSync every 2 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ajax PRO | ChargerSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (15 ratings)](https://appshunter.io/ios/app/ajax-pro-tool-for-engineers/id1249276895/reviews) | **[4.8 (46 ratings)](https://appshunter.io/ios/app/chargersync/id6443737188/reviews)** |
| Number of ratings | 15 | **46** |
| Positive reviews | **72.0% of reviews** | 6.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 656 MB | 90 MB |
| Requires iOS | 18.0 | **15.3** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ajax Systems Inc](https://appshunter.io/developer/1063166246) | [Chargedot Shanghai New Energy Technology Co., Ltd](https://appshunter.io/developer/1043403460) |

## What reviewers say

### Ajax PRO

[App page](https://appshunter.io/ios/app/ajax-pro-tool-for-engineers/id1249276895)

This app empowers security system installers and company employees to manage and configure Ajax security systems. It facilitates quick connections, adjustments, and testing of devices, offering extensive control over an unlimited number of security systems, user access, and automation scenarios.

**Highlights:** Administer unlimited security systems, Monitor system status and adjust settings, Manage user access rights, Create objects and connect equipment, Test devices and connect cameras, Customize automation scenarios and security schedules, Connect hubs to monitoring stations

**Features:** Vision Pro support

**In-app purchases:** none


### ChargerSync

[App page](https://appshunter.io/ios/app/chargersync/id6443737188)

Control and customize your EV charging sessions with this tool designed for Terra AC charging solutions. Manage wallboxes, start/stop charging remotely, and track costs and statistics. Features include scheduling, authentication, and reimbursement reports.

**Highlights:** Manage multiple wallboxes, Remote charging control, Real-time charging status, Charging schedule customization, Cost tracking and statistics, Reimbursement reports, Charger sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is Ajax PRO free?

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

### Is ChargerSync free?

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

### Which has better reviews, Ajax PRO or ChargerSync?

ChargerSync is rated higher. Ajax PRO averages 4.7 out of 5 from 15 ratings, while ChargerSync averages 4.8 from 46 ratings.

### Do Ajax PRO or ChargerSync have ads?

Neither Ajax PRO nor ChargerSync shows ads.

### Which is updated more often, Ajax PRO or ChargerSync?

Ajax PRO ships an update fortnightly, and ChargerSync every 2 months. Most recently, Ajax PRO was updated on October 29, 2026 and ChargerSync on October 25, 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.*