MemoryLoop vs Synapse
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
MemoryLoop
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MemoryLoop allows you to turn daily learnings and stories into long term memory by using the proven spaced-repetition approach. Users input their learnings each day, test themselves on what they've learned recently, and improve their retention ability! Privacy: https://memory-loop.app/privacy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Synapse
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Most apps are built to keep you scrolling. Synapse is built to make you stop, just once a day. It gives you a single fact, carefully written and drawn from the deepest corners of science and history. No feed, no infinite scroll, just one idea worth carrying with you, delivered whenever you choose. These are not trivia. Each fact is a small story: the slow evaporation of black holes, declassified Cold War experiments, animals that bend the laws of physics, words that carry the fingerprints of ancient civilizations. Written to be read in a minute, and remembered far longer. Ten worlds to explore: โข Abysses & Cosmos: the physics of deep space and the ocean floor โข Dark History: real, documented, and deliberately forgotten โข Biohacking: the science of pushing human biology to its limits โข Mind & Neuroscience: the strange architecture of perception โข Weird Fauna: evolution's most brutal and brilliant solutions โข Future Tech: what tomorrow's labs are building today โข Etymology Lab: words as archaeological artifacts โข Megastructures: impossible engineering, ancient and future โข Geopolitics: borders that defy logic โข Daily Science: the deep laws hidden in ordinary moments A streak grows with every day you show up, and when life gets in the way a shield protects what you have built, so a single missed day never erases weeks of curiosity. Every fact also carries a rarity, so the more you read, the richer your collection becomes: a private map of everything you have learned. Curiosity is better when it travels. Follow friends, compare streaks on the leaderboard, and share the facts that move you. Synapse asks for one minute a day. What you do with the idea is up to you.
Screenshots
Verdict
The clearest difference is in-app purchases: Synapse at none against MemoryLoop's 2. Synapse also leads on update cadence (every 2 days vs every 2 weeks). MemoryLoop's advantage is iOS requirement (15.1 vs 17). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. MemoryLoop sells 2 in-app purchases, starting at $1.99 per 7 days. Synapse asks for nothing beyond the download.
MemoryLoop ships an update every 2 weeks, Synapse every 2 days. Both last shipped on October 25, 2026.
| Parameter | MemoryLoop | Synapse |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 15.1 โ better | 17 |
| Further details โ not scored | ||
| Size | 53 MB | 181 MB |
| Age rating | 12+ | 12+ |
| Developer | Jacob Brand | Mattia Capomagi |
In-app purchases
MemoryLoop
- MemoryLoop Weekly Access$1.997 Days
- MemoryLoop Lifetime Access$99.99
Synapse
No in-app purchases









