# Jackery vs Chlorine Dose Calculator

The clearest difference is price: Jackery at Free against Chlorine Dose Calculator's $4.99. Jackery also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Jackery is free to download; Chlorine Dose Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jackery ships an update every 3 weeks, Chlorine Dose Calculator every 3 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Jackery | Chlorine Dose Calculator |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[2.3 (240 ratings)](https://appshunter.io/ios/app/jackery/id6446012836/reviews)** | — |
| Number of ratings | **240** | — |
| Positive reviews | 24.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 101 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jackery](https://appshunter.io/developer/883063443) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## What reviewers say

### Jackery

[App page](https://appshunter.io/ios/app/jackery/id6446012836)

Monitor and control your Jackery power stations and solar devices remotely. Track energy data, battery levels, and power flow in real-time. Receive firmware updates and manage device sharing with family.

**Highlights:** Remote device connection, System status monitoring, Real-time energy data, Device control (ON/OFF), Family sharing, Firmware updates

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

**In-app purchases:** none

**What reviewers like**

- 👍 Bluetooth and WiFi connectivity
- 🚀 Responsive app controls
- 📊 Detailed device monitoring

**What reviewers complain about**

- 🐛 Connectivity issues (Bluetooth/WiFi)
- 🔒 Privacy concerns with account requirement
- 🔋 Drains battery when not in use

**Reported bugs**

- App crashes when refusing privacy settings
- Login issues and frequent log-outs
- Inconsistent device status reporting

**Requested features**

- Push notifications for battery status
- Ability to toggle between Bluetooth and WiFi
- Offline mode for remote monitoring


### Chlorine Dose Calculator

[App page](https://appshunter.io/ios/app/chlorine-dose-calculator/id6761743091)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jackery free?

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

### Is Chlorine Dose Calculator free?

Chlorine Dose Calculator costs $4.99, with no in-app purchases.

### Do Jackery or Chlorine Dose Calculator have ads?

Neither Jackery nor Chlorine Dose Calculator shows ads.

### Which is updated more often, Jackery or Chlorine Dose Calculator?

Jackery ships an update every 3 weeks, and Chlorine Dose Calculator every 3 months. Most recently, Jackery was updated on November 3, 2026 and Chlorine Dose Calculator on October 31, 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.*