Three vs Octopus Energy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Three
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.
- 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
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The Three app makes managing your phone and broadband plans easy. The app helps you: - view plan allowances and usage - add, change or cancel additional products - access past bills and see a breakdown of costs - top up your Pay As You Go account - see offers you won’t find anywhere else - set up and manage your broadband - position your hub with the real-time signal strength indicator - quickly launch Three+ rewards - discover Three Community - live chat with Three - manage payments easily and securely with Apple Pay.
Octopus Energy
This app allows users to easily manage their energy account on the go. Track your balance, view transactions, manage payments, and access account support directly from your mobile device.
- Account balance tracking
- Transaction history
- Billing history
- Payment management
- Account help and support
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Manage your Octopus Energy account from your fingertips. - Keep track of your account balance - View your recent transactions and billing history - Manage your payments - Get help with your account
Screenshots
Verdict
Three and Octopus Energy both sit at 4.4 stars, but that hides the real split: 64% of Octopus Energy's written reviews are positive against 18% of Three's. Octopus Energy also leads on ads (none vs shown) and update cadence (weekly vs every 2 weeks). On price, rating, ratings volume and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Octopus Energy holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 1.1K and 451 respectively. Written reviews point the same way: 18% of Three's written reviews are positive against 64% of Octopus Energy's.
Three ships an update every 2 weeks, Octopus Energy weekly. Both last shipped on September 22, 2026.
| Parameter | Three | Octopus Energy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.1K ratings) | 4.6 (451 ratings) — better |
| Positive reviews | 18.0% of reviews | 63.9% of reviews — better |
| Number of ratings | 1.1K — better | 451 |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 193 MB | 219 MB |
| Age rating | 4+ | 12+ |
| Developer | Hutchison 3G UK Ltd | Octopus Energy |
Customer experience
Three
Octopus Energy
User reviews
Three
From 1.1K App Store ratingsWhat we love
- 👍 Easy to use
- ✨ Reliable service
- 💰 Good value
- 🌍 Excellent roaming coverage
Room to improve
- 🔧 Buggy app
- 📶 Poor network coverage
- 🤖 Unhelpful customer service
- 💸 Overcharging issues
- 🔒 Security concerns
Octopus Energy
From 451 App Store ratingsWhat we love
- 💻 Easy to use app
- 📊 Informative and detailed
- 🤝 Excellent customer service
- 💰 Competitive pricing
- 🌱 Supports renewable energy
Room to improve
- 🐛 Unreliable smart charging
- 🕰️ Delayed or inaccurate usage data
- 🤔 Confusing billing and tariff structure
- 📱 Buggy and crashing app
- 🔍 Lack of detailed usage insights
Bugs and requests
Three
Reported bugs
4 issues- Login issues
- App crashes frequently
- Inaccurate data usage tracking
- Inability to cancel add-ons
Requested features
4 requests- Add Apple Pay support
- Improve app stability and performance
- Provide better network coverage information
- Streamline account management features
Octopus Energy
Reported bugs
5 issues- App crashes on startup
- Inability to view bills and account details
- Incorrect or missing meter readings
- Disconnection issues with smart devices
- Unreliable push notifications
Requested features
5 requests- Add option to view usage in £ instead of just kWh
- Improve navigation and layout of the app
- Provide more granular control over smart charging
- Integrate with more smart home devices
- Offer more rewards and incentives for energy savings
In-app purchases
Three
No in-app purchases
Octopus Energy
No in-app purchases
