# e vs A2O

The clearest difference is iOS requirement: e at 11.0 against A2O's 13.0. On price, review sentiment, update cadence and ads there is nothing between them.

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

e ships an update every 9 months, A2O every 11 months. The most recent releases landed on August 14, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | e | A2O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/a2o/id6443875849/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 165 MB | 188 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Supreme Imports Limited](https://appshunter.io/developer/1524392138) | [Aquaporin](https://appshunter.io/developer/1573920954) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-luminate/id6443871027)

Remotely manage your smart home devices, including lights and appliances, from any location. Schedule actions, control multiple devices at once, and easily share access with family members.

**Highlights:** Remote appliance control, Multi-device management, Scheduled actions, Device sharing, Easy connectivity, Lighting adjustment

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

**In-app purchases:** none


### A2O

[App page](https://appshunter.io/ios/app/a2o/id6443875849)

Manage your water purifier from your smartphone, track real-time water usage, and receive timely filter change reminders. Access product manuals and helpful water information.

**Highlights:** Connect and manage water purifier, Track real-time water usage, Filter change reminders, Maintenance guidance, Access product manuals, View purification effectiveness

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is A2O free?

A2O is free to download, with no in-app purchases.

### Do e or A2O have ads?

Neither e nor A2O shows ads.

### Which is updated more often, e or A2O?

e ships an update every 9 months, and A2O every 11 months. Most recently, e was updated on August 14, 2026 and A2O on June 1, 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.*