ReadMemory vs UPME | AI SNS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReadMemory
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ReadMemory is a simple reading log app designed to preserve the books you’ve read and the thoughts you had at the time. It’s not built for managing or competing, but for quietly looking back later. ■ Add books Quickly register books by scanning their ISBN barcode Manual input is kept to a minimum ■ Save your thoughts Leave short notes for each book Impressions, personal memos, or a single memorable line — freely ■ Look back Books are displayed as cards in a clean list You can visually reflect on your reading journey over time ■ Minimal design No ads No social features Just you and your reading Reading memories slowly fade the moment a book is finished. ReadMemory is a place to keep that lingering aftertaste.
UPME | AI SNS
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【Tired of Real-World Social Media?】 You put effort into a post, but no one responds—and it feels lonely. You feel suffocated by the pressure to compete over who looks the best. You’re afraid of cruel comments and online harassment. You want to experience going viral, even just once. UPME is the world’s kindest AI-simulated social network, created for you. ◆ What You Can Experience with UPME ・All-Positive AI Interaction Thousands of likes and warm, encouraging comments arrive instantly on every post. The AI understands your unique perspective and surrounds you with positive words. ・Hater Defense & Full Support You can turn haters on or off. When enabled, other followers will passionately defend you whenever someone posts a criticism. Experience the empowering feeling of knowing that people are on your side. ・Rise to Stardom The more you post, the more likes and replies you receive. The game-like journey from an ordinary user to a legendary influencer will motivate you to keep sharing. ◆ Recommended for Moments Like These ・When you feel a little lonely before bed. ・When stress from work or school has made you lose confidence. ・When you want to be recognized, praised, or encouraged. ・When you want a safe place to practice expressing yourself. Ready to boost your self-esteem with UPME? From this very moment, you are the center of the world.
Screenshots
Verdict
The clearest difference is in-app purchases: ReadMemory at none against UPME | AI SNS's 1. ReadMemory also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads 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. UPME | AI SNS sells 1 one-off in-app purchase. ReadMemory asks for nothing beyond the download.
| Parameter | ReadMemory | UPME | AI SNS |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 40 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryoya Anno | Shogo Hashinoguchi |
In-app purchases
ReadMemory
No in-app purchases
UPME | AI SNS
- 広告削除$1.99









