Comparison

MemoryLoop vs Synapse

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

MemoryLoop

Features
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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/

About

Synapse

Features
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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: โ€ข Abysses & Cosmos: the physics of deep space and the ocean floor โ€ข Dark History: real, documented, and deliberately forgotten โ€ข Biohacking: the science of pushing human biology to its limits โ€ข Mind & Neuroscience: the strange architecture of perception โ€ข Weird Fauna: evolution's most brutal and brilliant solutions โ€ข Future Tech: what tomorrow's labs are building today โ€ข Etymology Lab: words as archaeological artifacts โ€ข Megastructures: impossible engineering, ancient and future โ€ข Geopolitics: borders that defy logic โ€ข 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

MemoryLoop4 screens
Synapse4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

MemoryLoop ships an update every 2 weeks, Synapse every 2 days. Both last shipped on October 25, 2026.

Scorecard3 real differences ยท 3 level
MemoryLoop versus Synapse: the parameters behind the verdict, then further details
ParameterMemoryLoopSynapse
PriceFreeFree
Update frequencyEvery 2 weeksEvery 2 days โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better17
Further details โ€” not scored
Size53 MB181 MB
Age rating12+12+
DeveloperJacob BrandMattia Capomagi

In-app purchases

2 purchases

MemoryLoop

Subscriptions1
  • MemoryLoop Weekly Access$1.997 Days
One-time1
  • MemoryLoop Lifetime Access$99.99
None

Synapse

No in-app purchases

Questions

Is MemoryLoop free?
MemoryLoop is free to download, with in-app purchases available.
Is Synapse free?
Synapse is free to download, with no in-app purchases.
Do MemoryLoop or Synapse have ads?
Neither MemoryLoop nor Synapse shows ads.
Which is updated more often, MemoryLoop or Synapse?
MemoryLoop ships an update every 2 weeks, and Synapse every 2 days. Most recently, MemoryLoop was updated on October 25, 2026 and Synapse on October 25, 2026.

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