# Three vs ENERGIZER SMART

The clearest difference is ads: ENERGIZER SMART at none against Three's shown. ENERGIZER SMART also leads on monetization model (free vs free with in-app purchases) and review sentiment (40% vs 18%). Three's advantage is update cadence (every 2 weeks vs every 9 months) and ratings volume (1.2K vs 388). On price, in-app purchases and device support there is nothing between them.

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

ENERGIZER SMART holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 1.2K and 388 respectively. Written reviews point the same way: 18% of Three's written reviews are positive against 40% of ENERGIZER SMART's.

Three ships an update every 2 weeks, ENERGIZER SMART every 9 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Three | ENERGIZER SMART |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.2K ratings)](https://appshunter.io/ios/app/three/id393530266/reviews) | **[4.7 (388 ratings)](https://appshunter.io/ios/app/energizer-smart/id1524392136/reviews)** |
| Number of ratings | **1.2K** | 388 |
| Positive reviews | 17.5% of reviews | **39.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 198 MB | 173 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hutchison 3G UK Ltd](https://appshunter.io/developer/393530269) | [Supreme Imports Limited](https://appshunter.io/developer/1524392138) |

## What reviewers say

### Three

[App page](https://appshunter.io/ios/app/three/id393530266)

Easily manage your mobile and broadband plans. Track usage, view bills, top up accounts, and access exclusive offers. Set up and manage your broadband with helpful tools.

**Highlights:** View plan allowances and usage, Manage additional products, Access past bills and cost breakdowns, Top up Pay As You Go accounts, Set up and manage broadband, Access Three+ rewards, Live chat support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- ✨ Reliable service
- 💰 Good value
- 🌍 Excellent roaming coverage

**What reviewers complain about**

- 🔧 Buggy app
- 📶 Poor network coverage
- 🤖 Unhelpful customer service
- 💸 Overcharging issues
- 🔒 Security concerns

**Reported bugs**

- Login issues
- App crashes frequently
- Inaccurate data usage tracking
- Inability to cancel add-ons

**Requested features**

- Add Apple Pay support
- Improve app stability and performance
- Provide better network coverage information
- Streamline account management features


### 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


## Frequently asked questions

### Is Three free?

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

### Is ENERGIZER SMART free?

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

### Which has better reviews, Three or ENERGIZER SMART?

ENERGIZER SMART is rated higher. Three averages 4.4 out of 5 from 1.2K ratings, while ENERGIZER SMART averages 4.7 from 388 ratings.

### Do Three or ENERGIZER SMART have ads?

Three shows ads; ENERGIZER SMART does not.

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

Three ships an update every 2 weeks, and ENERGIZER SMART every 9 months. Most recently, Three was updated on October 12, 2026 and ENERGIZER SMART on October 13, 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.*