Gboard vs SwiftKey: 5 Keyboard Apps Ranked (2026)

A keyboard is the one app you touch more than any other. It sits between you and every message, search, password, and email you type, so when it gets a word wrong, lags on a long reply, or fixes "definitely" into "defiantly," the friction shows up dozens of times a day. That constant, low-grade annoyance is exactly what fills the 1-star reviews. A user installs a keyboard for better swipe typing and ends up fighting an autocorrect that overrides correct words. Another loves the predictions until an update buries them behind a paywall. A third uninstalls the moment they read what a keyboard can technically see.

We analyzed 1-3 star reviews across the five most-installed third-party keyboard apps of 2026: Gboard, SwiftKey, Grammarly Keyboard, Fleksy, and Typewise. The goal was to rank which keyboard is actually worth replacing your phone default with, which one frustrates users most, and what the complaint patterns reveal about building software that has to disappear into a tool people use thousands of times a day.

The 5 Apps Analyzed

Store ratings flatter keyboards because a user leaves five stars the day swipe typing feels fast and never thinks about it again, then drops a one-star review the week an update breaks autocorrect or starts showing ads. The 1-3 star subset captures the gap between a keyboard that gets out of your way and one that injects friction into every sentence: the autocorrect fights, the lag, the privacy unease, the upsell nags, and the features that vanish in an update.

Top Complaints Across All Keyboard Apps

Percentages are within the 1-3 star review subset.

1. Autocorrect That Fights You and "Fixes" Correct Words (26%)

The single most common complaint, and the one that defines a keyboard's reputation. Autocorrect overrides words the user spelled correctly, swaps names and slang into the wrong thing, and re-breaks the same word after it was manually fixed.

• "It keeps changing correctly spelled words into something else. I type the right word, look away, and it has swapped it for nonsense"
• "Autocorrect changes my name and my contacts names every single time. I have added them to the dictionary and it still overrides them"
• "I fix a word, it autocorrects it right back. Fighting my own keyboard to send a normal sentence"
• "Turned autocorrect off and now it does nothing helpful at all. There is no middle setting that just leaves correct words alone"
• "It learned a typo I made once and now suggests the misspelling forever. No way to make it forget"

This is the core tension of every keyboard. Aggressive correction helps fast, sloppy typists and infuriates careful ones, and a model trained on your habits can lock in a mistake as firmly as a good word. The keyboards that anger users most are the ones with no comfortable middle ground between overbearing correction and no help at all, and the ones that ignore words a user has explicitly added to a personal dictionary.

2. Lag, Dropped Keystrokes, and Sluggish Input (21%)

The complaint that breaks the one job a keyboard has: keeping up with your fingers. Keystrokes register late or not at all, the keyboard freezes mid-message, and a fast typist outruns the display.

• "There is a visible delay between tapping and the letter appearing. On a long message it falls behind and I have no idea what I actually typed"
• "The keyboard freezes for a second when it loads predictions, dropping the letters I tapped during the hang"
• "After the last update it got noticeably slower. Swipe typing stutters and misses half my gesture"
• "On older phones it is unusable. The lag makes typing a password a guessing game"
• "It lags worst in the apps I use most, like the moment the prediction engine kicks in it cannot keep up"

This is the cost of the prediction and correction features that sell the keyboard in the first place. Every suggestion, theme, and on-device model adds work between the tap and the letter, and on mid-range or older hardware that work turns into visible lag. A keyboard that drops keystrokes fails at its only essential task, and users abandon it faster than any other class of app the moment it cannot keep pace.

3. Privacy Fears Over a Keyboard That Sees Everything (18%)

The complaint unique to keyboards. Because the app processes every character a user types, including passwords and private messages, the permissions and data practices draw fear that other apps never face.

• "It asks for full access, which means it can read everything I type including bank logins. That is too much trust for a keyboard"
• "I do not want my every keystroke going to a server for predictions. There is no clear way to keep it fully on-device"
• "The privacy policy is vague about what it collects from what I type. For a keyboard that is a dealbreaker"
• "It started suggesting products I had only typed about in private chats. Now I am sure it is logging more than it admits"
• "Switched to a keyboard that processes on-device because I could not verify where my typing data was going"

This is the structural trust problem of the category. A keyboard technically can capture everything, so the difference between apps is whether prediction runs on-device or in the cloud, how clearly the data practices are explained, and whether the company sells data or ads. Users who think about it at all gravitate toward keyboards with a clear on-device privacy stance, and the apps that ask for "full access" without explaining it cleanly lose the cautious crowd entirely.

4. Ads, Upsell Nags, and Paywalled Basics (16%)

The complaint about the business model leaking into the typing experience. Free keyboards push ads, banners, and constant prompts to upgrade, sometimes locking features that used to be free behind a subscription.

• "A keyboard with ads in it. I am trying to type a message and there is a banner pushing a subscription"
• "The grammar suggestions I actually want are now Premium only. The free version just underlines the problem and tells me to pay"
• "Constant popups asking me to upgrade, rate the app, or try a feature. It interrupts me mid-sentence"
• "A feature that was free last year is now behind a paywall after an update. Bait and switch"
• "I do not mind paying once but the endless nag screens for a monthly plan on a keyboard are too much"

This is the monetization squeeze on a tool people expect to be free and invisible. A keyboard is intimate, used constantly, and ads or upsell prompts there feel more intrusive than in almost any other app. The keyboards that frustrate users most are the ones that move a previously free, genuinely useful feature behind a subscription, because it reads as taking away something people built a habit around.

5. Updates That Remove the Feature People Stayed For (12%)

The complaint about change for its own sake. An update redesigns the layout, drops a beloved feature, or resets carefully tuned settings, and the keyboard people chose deliberately becomes one they no longer recognize.

• "The update removed the number row I relied on and there is no setting to bring it back"
• "They redesigned the layout and moved the keys I use most. Muscle memory gone, typos everywhere for a week"
• "An update reset all my dictionary additions and theme settings to default. Had to set everything up again"
• "The one feature I installed this keyboard for is just gone after the latest version. No explanation"
• "Every update changes something I did not want changed and never the bugs I actually report"

This is the loyalty risk of a daily-use tool. People tune a keyboard to their exact habits, so any change that moves keys, drops a feature, or wipes settings breaks deeply ingrained muscle memory and feels personal. Keyboards earn switching costs through familiarity, and an update that throws that away is the fastest way to send a long-time user back to the phone default or to a competitor.

App-by-App Verdict

Gboard: The Safe Default With Google's Strengths and Google's Tradeoff

Gboard is the most polished all-rounder, with reliable glide typing, built-in search, strong multilingual support, and the deepest voice typing, which is why it is the default many people never replace. The complaints concentrate on the privacy tradeoff of a Google product that processes your typing, occasional lag from the feature load, and autocorrect that can be stubborn. Best for users who want a dependable, full-featured keyboard and are comfortable inside Google's ecosystem.

SwiftKey: Strong Prediction and Themes, Quieter Since the Acquisition

SwiftKey built its name on prediction that learns your style and a deep theme and customization library, and it remains one of the most capable keyboards on both platforms. The complaints are autocorrect that overrides correct words, lag that crept in over recent versions, and a sense that development has slowed under Microsoft. Best for users who want strong next-word prediction and heavy customization, and who do not mind a Microsoft account in the mix.

Grammarly Keyboard: Real Writing Help, Wrapped in a Paywall

Grammarly Keyboard is the only one here built around grammar and tone correction, genuinely useful for anyone who writes carefully on their phone, and it catches mistakes a normal keyboard ignores. The complaints are that the most valuable suggestions are Premium only, the constant upsell nags, and lag from the analysis running as you type. Best for heavy writers and professionals who will pay for the Premium grammar features and treat it as a writing tool, not just a keyboard.

Fleksy: Fast and Privacy-Minded, With a Smaller Ecosystem

Fleksy leans on typing speed and a clearer privacy stance, with extensions and customization for users who want control, and fans praise how quick and clean it feels. The complaints are a smaller feature set than the giants, prediction that is less accurate than Gboard or SwiftKey, and extensions that can feel gimmicky. Best for speed-focused users who value a privacy posture and a lighter app over the deepest prediction engine.

Typewise: A Different Layout and On-Device Privacy for the Curious

Typewise stands out with its honeycomb hexagonal layout and a strong on-device privacy promise, appealing to users who want their typing data to stay on the phone. The complaints are the steep learning curve of an unfamiliar layout, a small ecosystem, and prediction that trails the mainstream keyboards. Best for privacy-conscious users willing to relearn how they type in exchange for an on-device model and a layout designed to cut typos.

What All 5 Apps Get Wrong

Reading thousands of negative reviews across the five keyboards, three patterns repeat.

Autocorrect has no comfortable middle setting. Every keyboard here forces a choice between aggressive correction that overrides correct words and turning it off entirely, with little fine control in between. Users want a keyboard that fixes obvious typos and leaves their deliberate words, names, and slang alone, and almost none of them nail it.

Features cost performance, and performance is the product. The predictions, themes, and grammar checks that sell a keyboard are the same features that add lag between the tap and the letter. On anything but a flagship phone, the keyboard that does the most often types the slowest, and a slow keyboard fails at its only real job.

Intimacy raises the stakes on trust and monetization. A keyboard sees everything, so privacy missteps and intrusive ads land harder here than anywhere else. The apps that thrive are the ones that are clear about data and restrained about monetization, and the ones that paywall a former free feature or stay vague about data collection lose users fast.

How to Pick the Right Keyboard in 2026

For a reliable, full-featured default, Gboard is the safest all-rounder, best if you are comfortable in Google's ecosystem.

For the strongest prediction and customization, SwiftKey still leads on learning your style and theming.

For real grammar and writing help, Grammarly Keyboard is unmatched, if you will pay for Premium.

For speed with a privacy lean, Fleksy is fast and lighter than the giants.

For on-device privacy and a fresh layout, Typewise is the boldest choice for users willing to relearn typing.

How to Choose a Keyboard Without the Buyer's Remorse

• Read the permissions before you grant full access. A keyboard asking for full access can technically see everything you type. Check whether prediction runs on-device and what the privacy policy says about your typing data before you commit.

• Test it on a long real message, not a quick demo. Lag and dropped keystrokes only show up under load. Type a full paragraph and a password in a real app to see whether it keeps pace on your actual phone.

• Find the autocorrect settings on day one. Add your name, contacts, and slang to the personal dictionary immediately, and learn how to dial correction up or down. The keyboards people keep are the ones they tune early.

• Know what is free and what is paid. Before you build a habit around a feature, confirm it is not a Premium trial that will paywall later. The most bitter reviews come from users who relied on something that moved behind a subscription.

• Keep your old keyboard installed for a week. Switching costs are real because muscle memory takes days to adjust. Give a new keyboard a fair trial, but leave yourself an easy way back if an update or quirk ruins it.

Read the Negative Reviews Before You Replace Your Keyboard

A keyboard is the most personal app on your phone, the one thing standing between your fingers and everything you write, so a bad one is a tax you pay all day. Store ratings will not tell you whether autocorrect fights you, whether it lags on your hardware, or what it does with your typing data. The fastest way to judge a keyboard is to read its recent 1-star reviews filtered by date. Unstar.app lets you pull the most recent negative reviews for any of these five keyboards in seconds, with date filtering and sentiment clustering on the autocorrect, lag, privacy, ads, and update complaints.

Related reading: App Privacy Complaints: What Users Say About Data Collection covers the data-collection fears that hit keyboards hardest. What App Reviews Tell You About Performance: Speed, Crashes and Battery Drain digs into the lag and dropped-keystroke complaints. Dark Patterns in Mobile Apps: What 1-Star Reviews Reveal for the upsell nags and paywall tactics.