Comparison

Short Term Memory vs JustPlankit

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

Head to head
About

Short Term Memory

This app offers a straightforward memory training game designed to help users maintain and improve their cognitive abilities. It features levels that increase in difficulty, challenging players to memorize an expanding number of cute illustrations. It's ideal for intellectual training and potentially preventing cognitive decline.

Highlights
  • Memory improvement exercises
  • Intellectual training
  • Dementia prevention focus
  • Cute illustration memorization
  • Progressive difficulty levels
  • Up to 20 illustrations to memorize
Features
Read full description

◆ What is this game? Memorize the illustrations shown on screen, then pick them out from a large collection — a simple short-term memory test. 130 cute illustrations (animals, food, everyday items, and more) appear as questions. The number of illustrations to memorize increases with each level. ◆ Two Game Modes [Free Mode] - No time limit — play at your own pace - 20 levels (Lv.1: 2 items — Lv.20: 40 items) - Unlimited plays - Track your best times and beat your personal records [Challenge Mode] - Timed test for a real challenge - Play once per day (unlimited with Premium) - Rank system starting from 9th Kyu — how high can you go? ◆ Perfect for - Kids' cognitive development and learning - Adults looking for brain training - Seniors maintaining cognitive function - Anyone wanting to improve short-term memory - A quick daily brain exercise ◆ Features - Simple rules anyone can pick up instantly - Cute illustrations enjoyable for all ages - Calendar view to track your daily progress - Relaxing BGM while you play ◆ Premium Plan (Monthly Subscription) - Unlimited Challenge Mode - All Free Mode levels unlocked - Ad-free experience ◆ Requirements - iOS 15.0 or later Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://ferrety.app/work/memory/terms.html Privacy Policy: https://ferrety.app/privacy-policy/

About

JustPlankit

Features
Read full description

JustPlankit is a minimalist plank timer for people who want to build a real core habit — without ads, subscriptions, or tracking. A clean 30-day progressive program takes you from a 20-second first hold to a 2-minute finish, with rest days built in. When you want a free run, switch to Challenge mode and hold as long as you can. That's it. No coaches yelling, no upsells, no clutter. WHAT'S INSIDE • 30-day progressive plank program — 20s → 2 minutes • Rest days built in (days 6, 13, 19, 26) • Challenge mode: hold as long as you can, beat your best • Adjustable plank duration, rest, and number of sets • Daily progress strip and streak tracking • Best time, today's hold, total sessions • Calm sound cues for active and rest phases • Light & dark theme, follows your system • 11 languages, follows your phone language DESIGNED TO STAY OUT OF YOUR WAY • No ads, ever • No subscription • No accounts, no sign-up • No tracking, no analytics SDKs • Works offline WHO IT'S FOR People who already know they want to plank and just need a clean timer. If you've tried bloated fitness apps and uninstalled them, this is for you. Tap. Plank. Done.

Screenshots

Short Term Memory3 screens
JustPlankit4 screens

Verdict

The call

The clearest difference is price: Short Term Memory at Free against JustPlankit's $0.99. JustPlankit's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

CostPrice · In-app purchases · Ads · Monetization

Short Term Memory is free to download; JustPlankit costs $0.99 up front. Short Term Memory sells 1 in-app purchase, starting at $0.99 per month. JustPlankit asks for nothing beyond the download.

UpkeepUpdate frequency

Short Term Memory ships an update every 4 months, JustPlankit weekly. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
Short Term Memory versus JustPlankit: the parameters behind the verdict, then further details
ParameterShort Term MemoryJustPlankit
PriceFree — better$0.99
Rating4.4 (1.1K ratings) — better—
Positive reviews70.0% of reviews—
Number of ratings1.1K — better—
Update frequencyEvery 4 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size164 MB20 MB
Age rating4+9+
Developerferrety inc.Emirhan Zengin

Bugs and requests

Short Term Memory

Reported bugs

3 issues
  • Images from previous screen not appearing in find screen
  • Timer issues
  • Scrolling problems causing accidental taps

Requested features

3 requests
  • More customization options
  • Ad-free paid version
  • Improved graphics

JustPlankit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Short Term Memory

Subscriptions1
  • Premium Plan$0.991 Month
None

JustPlankit

No in-app purchases

Questions

Is Short Term Memory free?
Short Term Memory is free to download, with in-app purchases available.
Is JustPlankit free?
JustPlankit costs $0.99, with no in-app purchases.
Do Short Term Memory or JustPlankit have ads?
Short Term Memory shows ads; JustPlankit does not.
Which is updated more often, Short Term Memory or JustPlankit?
Short Term Memory ships an update every 4 months, and JustPlankit weekly. Most recently, Short Term Memory was updated on October 12, 2026 and JustPlankit on October 9, 2026.

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