# ENERGIZER SMART vs SoloWatermark

The clearest difference is in-app purchases: ENERGIZER SMART at none against SoloWatermark's 2. ENERGIZER SMART also leads on iOS requirement (12.2 vs 16.4). SoloWatermark's advantage is update cadence (weekly vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. SoloWatermark sells 2 in-app purchases, starting at $1.99 per month. ENERGIZER SMART asks for nothing beyond the download.

ENERGIZER SMART ships an update every 9 months, SoloWatermark weekly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ENERGIZER SMART | SoloWatermark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (388 ratings)](https://appshunter.io/ios/app/energizer-smart/id1524392136/reviews)** | — |
| Number of ratings | **388** | — |
| Positive reviews | 39.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Free | — |
| Size | 173 MB | 74 MB |
| Requires iOS | **12.2** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Supreme Imports Limited](https://appshunter.io/developer/1524392138) | [JUNICHI HASHIMOTO](https://appshunter.io/developer/1609225560) |

## What reviewers say

### ENERGIZER SMART

[App page](https://appshunter.io/ios/app/energizer-smart/id1524392136)

Remotely manage your home appliances and lighting from any location. Schedule actions with timers, control multiple devices at once, and easily share access with family members. Customize lighting with brightness and color adjustments.

**Highlights:** Remote appliance control, Simultaneous multi-device management, Timer scheduling, Device sharing, Customizable lighting control

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Super fun
- 👍 Great app, easy to use
- 👍 Loved this product
- 👍 Energizer lights are a bargain
- 👍 Precise brightness adjustment

**What reviewers complain about**

- 🐛 Terrible app, can't press buttons
- 🐛 Doesn't work after half a year
- 🔒 Needs location and WiFi login
- 🐛 Lights turn on randomly, color issues
- 🔒 Privacy invaders, too much data extraction

**Reported bugs**

- App crashes phone when using color wheel
- App randomly logs user out
- Fails to re-link with Alexa
- Impossible to enable in Alexa
- Keeps disconnecting from lights

**Requested features**

- Dark mode for the app
- Widgets for easier access
- Lock screen controls
- Ability to set timer to turn on after a delay
- Preset color options


### SoloWatermark

[App page](https://appshunter.io/ios/app/solowatermark/id6788365371)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $1.99 | per month |
| Premium Plan 1 Year | $11.99 | per year |


## Frequently asked questions

### Is ENERGIZER SMART free?

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

### Is SoloWatermark free?

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

### Do ENERGIZER SMART or SoloWatermark have ads?

Neither ENERGIZER SMART nor SoloWatermark shows ads.

### Which is updated more often, ENERGIZER SMART or SoloWatermark?

ENERGIZER SMART ships an update every 9 months, and SoloWatermark weekly. Most recently, ENERGIZER SMART was updated on October 29, 2026 and SoloWatermark on October 24, 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.*