# ECO Battery vs SecNote

The clearest difference is in-app purchases: ECO Battery at none against SecNote's 1. ECO Battery also leads on update cadence (fortnightly vs every 5 weeks) and iOS requirement (12.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. SecNote sells 1 in-app purchase, starting at $4.99 per month. ECO Battery asks for nothing beyond the download.

ECO Battery ships an update fortnightly, SecNote every 5 weeks. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ECO Battery | SecNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (19 ratings)](https://appshunter.io/ios/app/eco-battery/id6474708780/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 31 MB | 4 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Eco Capital, Inc.](https://appshunter.io/developer/1722379141) | [Jose Aguilar](https://appshunter.io/developer/1820136236) |

## What reviewers say

### ECO Battery

[App page](https://appshunter.io/ios/app/eco-battery/id6474708780)

Monitor and manage your lithium battery's health and performance. Optimize charging and discharging cycles to extend battery lifespan. Get detailed insights into your battery's status.

**Highlights:** Lithium battery management, BMS monitoring, Performance optimization, Charging cycle control, Discharging cycle control, Battery health insights

**Features:** macOS Compatibility

**In-app purchases:** none


### SecNote

[App page](https://appshunter.io/ios/app/secnote/id6747166161)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecNote Premium | $4.99 | per month |


## Frequently asked questions

### Is ECO Battery free?

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

### Is SecNote free?

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

### Do ECO Battery or SecNote have ads?

Neither ECO Battery nor SecNote shows ads.

### Which is updated more often, ECO Battery or SecNote?

ECO Battery ships an update fortnightly, and SecNote every 5 weeks. Most recently, ECO Battery was updated on September 27, 2026 and SecNote on September 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.*