MemPin vs Innoink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MemPin
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[Time steals memories, but you can pin the moment] A sunset, a whispered promise, a child's first steps… Let’s capture every fragment on a map of time. Pin anchors across years, relive their warmth with a touch. [You might encounter] Important moments slipping away instantly Needed memories buried under chaos Disorganized notes drowning your thoughts Piles of information crying for order MemPin helps you easily solve these problems through powerful AI technology. Simply say "Help me remember..." and the AI assistant immediately stores your memory; say "I want to query..." and instantly retrieve the information you need. [Core Features] Intelligent AI Conversation: Make memory management effortless through natural language interaction Voice Input: Free your hands to record inspiration anytime, anywhere Tag Classification: Organize memories in multiple dimensions to build your personal knowledge system Save Image: Save the original image and search within images. Project Management: Create dedicated memory spaces for different life scenarios Smart Search: Precisely retrieve every memory you've stored Personalization: Customize themes, backgrounds, and languages to create your exclusive memory space Memory Assistant is not just an app, but an extension of your thinking, a manager of your knowledge, and a cradle for your creativity. Never worry about forgetting again—ensure every precious thought, inspiration, and memory is properly preserved. Download now and begin your intelligent memory journey! This application uses the Apple Standard End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Innoink
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Innoink 是一款专为 NFC 墨水屏设备打造的图片管理与刷新应用。 你可以从手机相册选择图片,也可以直接使用相机拍摄。应用会根据墨水屏分辨率自动调整图片尺寸,并通过图像抖动算法优化显示效果。确认预览后,只需将手机靠近兼容设备,即可通过 NFC 完成图片刷新。
Screenshots
Verdict
The clearest difference is in-app purchases: Innoink at none against MemPin's 4. MemPin's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support 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. MemPin sells 4 in-app purchases, starting at $0.99 per month. Innoink asks for nothing beyond the download.
MemPin ships an update every 10 days, Innoink every 3 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.
| Parameter | MemPin | Innoink |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 47 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 爱琴 朱 | 上海易景信息科技有限公司 |
In-app purchases
MemPin
- 100 AI conversations per month$0.991 Month
- 30 AI conversations per month$0.991 Month
- 100 AI Conversations$0.99
- 80 AI conversations$0.99
Innoink
No in-app purchases









