Peek vs 19×19
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Peek
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Peek is a minimalist task and memory app designed for the Lock Screen. There’s no need to keep opening the app or manage complicated categories and layers. Check your current tasks at a glance from the Lock Screen, or use spare moments throughout the day to learn new vocabulary naturally. On devices that support Always-On display, important information can remain visible even when the screen is dimmed. Key Features - See it on your Lock Screen: Display important tasks directly on the Lock Screen or Home Screen widgets without opening the app. - Complete tasks quickly: Check off completed items and Peek will automatically show what comes next. - Learn vocabulary: Save new words and their meanings, then reinforce them naturally by seeing them throughout the day. - Customizable display: Adjust layouts, text size, colors, transparency, and other display options. - Sync across devices: Keep your data in sync across Apple devices with iCloud. - Privacy first: No ads. Your data is stored locally on your device by default. If cloud sync is enabled, data is transferred through Apple services. Peek currently supports Simplified Chinese, English, Japanese, French, German, Spanish, Korean, and Portuguese (Brazil). Contact If you have any questions, issues, or feature suggestions, contact us in the app via Settings → Feedback. Privacy Policy: https://spiny-can-166.notion.site/ScreenMemory-Privacy-Policy-387b99cdaf3480dab462d2f3133f2ede?source=copy_link Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
19×19
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Build confidence with multiplication from 1 to 19 through short lessons, practice, and review. A 10-DAY LEARNING PLAN Learn 190 fact pairs, organized by calculation method across 10 lessons. Swapping the factors covers all 361 ordered combinations. Explore doubling, breaking numbers into tens and ones, and working back from 20. ASSESSMENT AND REVIEW Start with an optional 20-question assessment. Spaced review uses your answers to bring back facts that need practice, with mistakes and due facts taking priority. FORWARD AND REVERSE PRACTICE Find the product: 12 × 13 = □ Find the factors: 156 = □ × □ Choose either mode or mix them. Factors range from 1 to 19. Both factor orders are included, and reverse questions accept any valid factor pair within that range. YOUR PACE, YOUR TIMER The default is 5 seconds per question. Choose 3, 5, 6, or 10 seconds, or set a limit from 1 to 30 seconds. Practice 20, 50, 100 questions, or the full question bank. Correct answers receive brief feedback before the next question appears automatically. PERSONAL RESULTS Track scores, accuracy, answer time, and individual responses. Compare completed sessions with matching settings on a leaderboard stored on your device. OFFLINE AND SIMPLE Made for iPhone and iPad running iOS 18 or later. No account, ads, in-app purchases, or subscriptions. Available in Simplified Chinese, Traditional Chinese (Hong Kong), English, Japanese, Korean, Arabic, German, Austrian German, French, Polish, Danish, Vietnamese and Thai. Progress and results are stored on your device. In-app cloud sync is not available, and deleting the app may erase your records. The 10-day plan is a course structure, not a guarantee of mastery. Continue practicing and reviewing at your own pace. Now also available in Modern Standard Arabic, with right-to-left layout and selectable numeral styles.
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Verdict
The clearest difference is price: Peek at Free against 19×19's $2.99. 19×19's advantage is in-app purchases (none vs 3). On update cadence, 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
Peek is free to download; 19×19 costs $2.99 up front. Peek sells 3 in-app purchases, starting at $0.99 per month. 19×19 asks for nothing beyond the download.
Peek ships an update fortnightly, 19×19 every 9 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | Peek | 19×19 |
|---|---|---|
| Price | Free — better | $2.99 |
| Update frequency | Fortnightly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.2 — better | 18.0 |
| Further details — not scored | ||
| Size | 3 MB | 7 MB |
| Age rating | 4+ | 9+ |
| Developer | 美晨 丁 | JINGZHE JIANG |
In-app purchases
Peek
- 高级版(包月)$0.991 Month
- 高级版(包年)$2.991 Year
- 高级版(永久解锁)$3.99
19×19
No in-app purchases









