Do [Not] Forget vs Lattern
Price, ratings, monetisation and update history for both games, side by side ā with what reviewers say about each.
![Do [Not] Forget](https://cdn3.appshunter.io/i/Purple221/a07c1d5b6e806f48223c836743b9a772/AppIcon-0-0-1x_U007epad-0-1-85-220.png/640x0w.webp "Do [Not] Forget")
Do [Not] Forget
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DNF is a retro-styled memory game rendered on a glowing CRT phosphor screen. Each trial, a pattern of cells lights up on a 5x5 grid.Study it. Then recreate it from memory. Sounds simple ā until the patterns grow larger and the display time shrinks.
Lattern
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Lattern is a 60-second daily memory ritual. Calm, precise, and deliberately not brain training. Each day, a grid lights its cells one by one. After it rests, you light the same path back from memory. The sequence builds as you go: three for the day, a little longer each round. Get it, and your Lattice fills in, a quiet pattern of light that grows day by day. ā¢ One new Lattern every day, the same for everyone ā¢ A gentle build-up, a few tries, never a harsh fail ā¢ The Lattice: your streak, as a calendar of light ā¢ Apple Watch and home-screen widgets ā¢ No accounts, no noise, no pressure Lattern+ unlocks practice grids, 1,000 training levels, your full history, and removes ads. Quiet work. Same time tomorrow. Privacy policy: https://lattern.app/privacy Terms of use: https://lattern.app/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Do [Not] Forget at none against Lattern's 4. Do [Not] Forget also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Lattern sells 4 in-app purchases, starting at $2.99 per 7 days. Do [Not] Forget asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on November 9, 2026 and November 14, 2026 respectively.
| Parameter | Do [Not] Forget | Lattern |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 3 days |
| Ads | No ā better | Yes |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 2 MB | 24 MB |
| Age rating | 4+ | 12+ |
| Developer | Ilias Rafailidis | J&B Creations LLC |
In-app purchases
Do [Not] Forget
No in-app purchases
Lattern
- Lattern+ Weekly$2.997 Days
- Lattern+ Yearly$19.991 Year
- Remove Ads$2.99
- Lattern+ Lifetime$19.99
