Comparison

Memory Capsule vs Keepstone

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

Head to head
About

Memory Capsule

Features
Read full description

Memory Capsule is a gentle and secure way to preserve your most meaningful memories. Create digital time capsules for weddings, birthdays, graduations, or personal milestones. Add photos, voice recordings, journal entries, and even locations. Set a lock date, and your capsule becomes sealed foreverβ€”unchangeable, unremovable, and safe. Collaborate with friends and family to contribute shared memories and communicate. Whether it’s a family vacation or a life celebration, everyone adds their unique perspective. Once the lock date is reached, your memory capsule is permanently preserved, stored securely using blockchain and IPFS technology. No crypto or wallets neededβ€”just an easy, emotional, and beautifully designed experience. Enjoy gasless login, offline support, dark/light mode, and real-time updates. Key Features: Create time-locked events Add photos, voice, and journals Invite others to contribute Set lock date to seal memories Decentralized & permanent storage Preserve moments that matter. Forever. Download Memory Capsule today.

About

Keepstone

Features
Read full description

Keepstone is a private journal for memories you want to preserve, seal, and rediscover later. Write a memory, add photos or voice notes, lock it until a future date, or create a letter to your future self. Your journal stays local on your device: no account, no cloud sync, no social feed. WRITE Capture daily thoughts, meaningful moments, photos, and voice notes in a calm writing space. SEAL Lock memories until a future date. Create personal time capsules or letters to your future self. ORGANIZE Use tags, search, themes, typography, and journal statistics to shape your archive over time. EXPORT Create password-protected .kstone files, encrypted backups, and PDF exports for unlocked memories. PRIVATE BY DESIGN Your data stays local on your device. Keepstone does not require an account to write, seal, import, export, or read your memories. SUPPORTER Keepstone includes an optional one-time Supporter upgrade for premium themes, typography, full journal statistics, and PDF export. Keepstone is built for memory, privacy, and time.

Screenshots

Memory Capsule4 screens
Keepstone4 screens

Verdict

The call

The clearest difference is in-app purchases: Memory Capsule at none against Keepstone's 1. Memory Capsule also leads on update cadence (every 2 days vs every 6 days). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Keepstone sells 1 one-off in-app purchase. Memory Capsule asks for nothing beyond the download.

UpkeepUpdate frequency

Memory Capsule ships an update every 2 days, Keepstone every 6 days. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

Scorecard2 real differences Β· 4 level
Memory Capsule versus Keepstone: the parameters behind the verdict, then further details
ParameterMemory CapsuleKeepstone
PriceFreeFree
Update frequencyEvery 2 days β€” betterEvery 6 days
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 β€” better
Further details β€” not scored
Size87 MB18 MB
Age rating17+4+
DeveloperWisish TechPablo Silva

In-app purchases

None

Memory Capsule

No in-app purchases

1 purchases

Keepstone

One-time1
  • Keepstone Supporter$0.99

Questions

Is Memory Capsule free?
Memory Capsule is free to download, with no in-app purchases.
Is Keepstone free?
Keepstone is free to download, with in-app purchases available.
Do Memory Capsule or Keepstone have ads?
Neither Memory Capsule nor Keepstone shows ads.
Which is updated more often, Memory Capsule or Keepstone?
Memory Capsule ships an update every 2 days, and Keepstone every 6 days. Most recently, Memory Capsule was updated on September 8, 2026 and Keepstone on September 22, 2026.

Other comparisons