giffgaff vs Nemo Energy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
giffgaff
Manage your mobile account effortlessly. Track data usage, renew plans, and access WiFi hotspots across the UK. This app provides a comprehensive overview of your mobile services and allows for easy top-ups and account management.
- Check data usage
- Buy or renew plans
- Plan expiry notifications
- Add credit/auto top-up
- WiFi Extra access
- Community access
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Plans and phones, sorted. Check your data before it runs out, buy or renew a plan in a couple of taps, pick up a new or refurbished phone, and jump on WiFi Extra's thousands of UK hotspots. Check how much data you have left - Buy or renew a plan - Buy a new or refurbished phone - Keep an eye on when your plan expires - Add credit or turn on auto top up - Pay with a saved card or PayPal - Redeem a voucher - Access the community - Add multiple giffgaff accounts - Get on thousands of WiFi hotspots across the UK with WiFi Extra You'll need your giffgaff member name and password to log in. New to giffgaff? Order a free SIM at giffgaff.com/orders/free-sim
Nemo Energy
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Welcome to Nemo Energy, the smart home app to monitor your home energy usage. Available for users registered with Nemo Energy Limited only. Use the simple home dashboard page to get a quick overview of your current home energy usage, including Electricity Usage/Costs, environmental data such as Co2 and Humidity as well as Solar Data . Landscape mode allows you to use the app on a wall mounted tablet and display the data on an automated cycle.
Screenshots
Verdict
The clearest difference is iOS requirement: giffgaff at 16.4 against Nemo Energy's 18.0. On price, update cadence, ads 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.
giffgaff ships an update every 3 weeks, Nemo Energy monthly. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.
| Parameter | giffgaff | Nemo Energy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1K ratings) — better | — |
| Positive reviews | 28.2% of reviews | — |
| Number of ratings | 1K — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 82 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | giffgaff | NEMO ENERGY LIMITED |
Bugs and requests
giffgaff
Reported bugs
4 issues- Login screen freezes
- Inability to update payment methods
- Inconsistent app behavior across devices
- Unreliable app performance after updates
Requested features
4 requests- Detailed data usage tracking
- Ability to manage family accounts
- Landscape mode support for tablets
- Seamless SIM card switching
Nemo Energy
Not enough reviews yet to summarise bugs or requests.
In-app purchases
giffgaff
No in-app purchases
Nemo Energy
No in-app purchases
