Word Pads vs Lock Learn
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Word Pads
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You can create a vocabulary book, repeat tests of the input words in the order of many errors, few checks, and listen to the input words during the test, which helps you learn pronunciation. Repeated confirmation allows you to statistically check the level of word acquisition. Terms of License link is https://febos.kr/index.php/eula/
Lock Learn
Learn new vocabulary effortlessly by having words and definitions appear on your phone's lock screen every 10 minutes. Create custom word lists for any subject, from languages to professional terms, and tap to explore them further. Start with 20 free words and unlock unlimited access with a one-time purchase.
- Lock screen vocabulary widget
- Customizable word lists by topic
- Definitions and grammar labels
- Tap to view word details
- One-time purchase for unlimited words
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Lock Learn puts a vocabulary word on your lock screen and swaps it out every 10 minutes, all day. You're checking your phone constantly anyway, so you might as well pick something up in the meantime. There are no study sessions, no streaks to maintain, and no extra time required. How it works: Add the Lock Learn widget to your lock screen. From that point on, every time you glance at your phone you'll see a different word from your list along with its definition and grammar type. The widget refreshes in the background every 10 minutes without you doing anything. Build your own word lists: Lock Learn isn't tied to a preset word bank. You create topics for whatever you're working on: a language you're studying, industry terminology, SAT prep words, culinary terms, anything you want. Every entry includes a definition and a grammar label so you understand how to actually use the word, not just what it means. Tap to go deeper: Spot a word you want to explore? Tap the widget and Lock Learn opens directly to that word's topic so you can review, edit, or add related words. Free to start: You get up to 20 vocabulary words completely free, with no trial period and no expiration date. If you want more, a small one-time purchase unlocks unlimited words and there's no subscription. Features: - Lock screen widget that rotates vocabulary every 10 minutes - Organize words into topics and categories - Grammar labels included with every entry - Tap-to-open deep link goes directly to the word currently on your lock screen - Free up to 20 words, one-time purchase for unlimited
Screenshots
Verdict
Word Pads and Lock Learn are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Word Pads sells 3 in-app purchases, starting at $0.99 per month and Lock Learn sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Word Pads ships an update every 3 days, Lock Learn every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Word Pads | Lock Learn |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 33 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | JongKeun Ji | MaxQ Consulting Services LLC |
In-app purchases
Word Pads
- monthly subscription$0.991 Month
- One Month Pass$0.99
- Standard Purchase$19.99
Lock Learn
- LockLearn$1.99









