Liddo vs Preposition Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Liddo
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Learn until you unlock! Liddo is a next-generation language learning platform that combines cognitive neuroscience and gamification to move beyond traditional memorization. Why Liddo? BRAIN HACK: SPACED REPETITION Our intelligent algorithm reminds you of words just as you are about to forget them, ensuring permanent retention in your long-term memory. GAMIFICATION AND BOSS BATTLES No more boring grammar drills. Maintain your daily streaks, earn XP, pass challenging final Boss exams at the end of each level, and earn your official achievement certificate. WEAK POINTS SHIELD Mistakes and challenging words are collected in your Shield screen. Personalized exercises help you practice until your weak spots become strengths. INTERACTIVE STORIES AND AUDIO Go beyond simple vocabulary lists. Experience authentic dialogues and native speaker voiceovers designed to improve your listening and speaking reflexes. PROGRESS ANALYTICS Track your study trends, mastery rate, and learning speed with detailed performance analytics. Download Liddo now, begin your first mission, and transform language learning into an engaging journey! Support & Contact: destek@liddo.app Developer: Bordosoft Privacy Policy: https://liddo.app/gizlilik Terms of Use (EULA): https://liddo.app/sartlar-kosullar
Preposition Pro
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English prepositions are small words, but they are easy to mix up. Even when you know the rules, a real sentence can still make you hesitate: in, on, or at? To or for? Preposition Pro helps you build natural intuition through short, personalized practice—without memorizing endless rules. After a quick assessment, the app adapts to your answers, identifies your weak spots, and intelligently revisits what you still need to practice. WHY IT WORKS • Short, focused practice with natural-sounding sentences • Personalized questions based on your answers • Smart repetition for difficult prepositions • Instant feedback after every answer • Six categories: time, place, movement, manner, purpose, and abstract usage • Recurring mistake detection and focused practice • Built-in vocabulary support while you learn • Daily goals, mastery levels, and detailed progress tracking • An interface available in eight languages • Works offline, with no account required SHORT, EFFECTIVE LEARNING Choose the missing preposition in each sentence and find out immediately whether your answer is correct. Practice for a few minutes each day or complete longer sessions whenever you have more time. START FOR FREE The Time category and up to 10 practice questions per day are available for free. An optional one-time purchase unlocks every category, unlimited practice, detailed statistics, and adjustable session length. No subscription. No ads. Stop guessing whether to use in, on, at, to, for, or by. Build the intuition to choose the right preposition naturally. End User License Agreement https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://pixikidzone.com/privacy-policy/
Screenshots
Verdict
The clearest difference is in-app purchases: Preposition Pro at none against Liddo's 2. On price, ads, device support and iOS requirement 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. Liddo sells 2 in-app purchases, starting at $4.99 per month. Preposition Pro asks for nothing beyond the download.
| Parameter | Liddo | Preposition Pro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 55 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | ZARIF EMRE HEPER | PixiKidZone |
In-app purchases
Liddo
- Liddo Premium$4.991 Month
- Liddo Premium7 Days trial$29.991 Year
Preposition Pro
No in-app purchases









