Memory Trace vs Shadow Digits
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Memory Trace
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Train Your Brain with Memory Trace Memory Trace is a sleek and addictive memory card game that combines classic matching mechanics with progressive difficulty and thrilling time pressure. Perfect for a quick mental workout or a relaxing puzzle session. Standard Mode – Take your time. No clock, no pressure. Just pure memory training as you progress through levels and rack up points. Timed Mode – Feel the heat! A dynamic progress bar counts down. Match cards before time runs out. Every second matters.
Shadow Digits
Exercise your reasoning skills with this number guessing game. Input your guesses and receive real-time feedback to find the randomly generated number in the fewest tries. There's no limit to your attempts.
- Random number generation
- Real-time feedback (Too high/low)
- Unlimited attempts
- Reasoning skill exercise
- Minimalist gameplay
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The system randomly generates a number. Players input a number to make a guess, and the system provides real-time feedback: "Too high", "Too low", or "Correct guess". There is no limit on the number of attempts. The goal is to find the answer in the fewest tries, which is a fun way to exercise your reasoning skills
Screenshots
Verdict
The clearest difference is ads: Memory Trace at none against Shadow Digits's shown. Shadow Digits's advantage is update cadence (every 4 days vs every 9 days). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.
Memory Trace ships an update every 9 days, Shadow Digits every 4 days. The most recent releases landed on October 17, 2026 and October 31, 2026 respectively.
| Parameter | Memory Trace | Shadow Digits |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 9 days | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 17 MB | 11 MB |
| Age rating | 17+ | 17+ |
| Developer | Art Canales | Stephen Pierce |
In-app purchases
Memory Trace
No in-app purchases
Shadow Digits
No in-app purchases
