Introduction – Why a keyboard matters for UK Android buyers
When you’re scrolling through the latest contract deals on Android‑mobiles.co.uk, the last thing you think about is the on‑screen keyboard. Yet the keyboard is the primary interface for everything from replying to a WhatsApp message to entering a voucher code at checkout. A sluggish or inaccurate keyboard can turn a quick purchase into a frustrating ordeal, especially on budget‑friendly devices that already push performance limits.
Android Police recently published a deep‑dive where the author spent several months testing the most widely‑used Android keyboards. The goal was simple: identify a replacement that could genuinely dethrone Google’s own Gboard. Their findings are especially relevant for UK users who value speed, privacy and a low‑cost experience.
Methodology – A month‑long, hands‑on lab
The original test covered six keyboards that dominate the Play Store rankings:
- Google Gboard (the default on most Android phones)
- Microsoft SwiftKey
- Grammarly Keyboard
- Chrooma Keyboard
- Fleksy
- OpenBoard (open‑source, privacy‑focused)
Each app was installed on a fresh Android 14 device (Pixel 8a) to eliminate any lingering settings. The reviewer used the same daily routine – texting, emailing, searching the web, and filling out forms – for a minimum of 30 days per keyboard. Objective metrics included:
- Typing speed (words per minute measured with the Key‑Test app)
- Error rate (percentage of corrected mistakes)
- Predictive accuracy (how often the top suggestion matched the intended word)
- Battery consumption (measured with the built‑in battery stats over a 24‑hour period)
- Data privacy (network traffic analysis to see what information each keyboard sent to its servers)
Subjective factors such as theme variety, gesture support and multilingual handling were also logged.
Results – SwiftKey takes the lead
| Keyboard | Avg. WPM | Error Rate | Battery Impact | Data Sent to Server |
|---|---|---|---|---|
| SwiftKey | 73 | 2.1 % | Low (≈ 3 % of daily battery) | Minimal – only anonymised usage stats |
| Gboard | 68 | 3.4 % | Medium (≈ 5 % of daily battery) | High – frequent calls to Google’s prediction API |
| Grammarly | 65 | 2.8 % | High (≈ 7 % of daily battery) | Moderate – text is sent for grammar analysis |
| Chrooma | 66 | 3.0 % | Low | Moderate – colour‑theme data only |
| Fleksy | 62 | 3.6 % | Low | Low – offline dictionary only |
| OpenBoard | 60 | 4.2 % | Very Low | None – fully offline |
Key take‑aways
- Speed & accuracy: SwiftKey consistently delivered the highest typing speed while keeping the error rate well below Gboard’s. Its neural‑network‑based predictions learned the reviewer’s writing style faster than Google’s model.
- Battery life: Despite its AI‑heavy engine, SwiftKey’s on‑device inference meant it used less power than Gboard, which relies on frequent cloud calls.
- Privacy: Network captures showed Gboard pinging Google servers for every word suggestion, whereas SwiftKey only transmitted anonymised usage statistics when the user opted‑in. OpenBoard was the only truly offline option, but its feature set lagged behind.
- Customisation: SwiftKey offered the richest theme library, gesture shortcuts, and seamless multilingual switching – a boon for UK users who often toggle between English and Welsh or other languages.
Why SwiftKey matters for contract‑hunters
Most UK contract plans bundle a modest data allowance and a modest‑priced handset. Users therefore look for software that won’t drain the battery or chew up data. SwiftKey’s low‑impact design means you’ll get a smoother typing experience without sacrificing the limited data you get from carriers like EE, Three or Vodafone.
Moreover, the premium “SwiftKey Premium” subscription (currently £2.99/month) unlocks advanced themes and a cloud‑back‑up of your personal dictionary. For most contract customers, the free tier already outperforms Gboard, making the optional upgrade a cost‑effective way to personalise the keyboard without breaking the bank.
The outliers – When you might choose another keyboard
- Privacy purists: If you absolutely refuse any data transmission, OpenBoard remains the only fully offline solution, though you’ll miss out on predictive AI.
- Grammar‑centric writers: Grammarly’s real‑time grammar checks are unrivalled, but the extra battery draw and subscription cost may not suit a budget‑focused contract plan.
- Lightweight devices: On ultra‑low‑spec phones (e.g., entry‑level Android 12 models), Chrooma’s lightweight engine can be a better fit, albeit with slightly slower predictions.
Verdict – Switch to SwiftKey, keep Gboard as a fallback
Android Police’s extensive, month‑long testing demonstrates that Microsoft’s SwiftKey now offers a more responsive, accurate and privacy‑respectful typing experience than Google’s default keyboard. For UK Android users hunting the best value from their contract, swapping to SwiftKey can shave seconds off typing, preserve battery life and keep personal data more private – all without any extra cost.
If you’re still on Gboard out of habit, give SwiftKey a try for a week. The learning curve is minimal, and the built‑in migration tool will import your learned words, making the transition seamless. In a market where every minute and megabyte counts, a better keyboard is a small upgrade that pays off every time you type a voucher code or reply to a friend.
All performance figures are taken from Android Police’s original testing and have been reproduced here for UK readers. Prices and subscription details are accurate as of October 2026 and may vary with carrier promotions.