# Logic Grid Puzzles vs Do [Not] Forget

The clearest difference is in-app purchases: Do [Not] Forget at none against Logic Grid Puzzles's 11. Do [Not] Forget also leads on update cadence (every 3 days vs every 2 weeks). Logic Grid Puzzles's advantage is chart position (#139 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Logic Grid Puzzles sells 10 in-app purchases, starting at $4.99 per month. Do [Not] Forget asks for nothing beyond the download.

Logic Grid Puzzles ships an update every 2 weeks, Do [Not] Forget every 3 days. The most recent releases landed on October 3, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Logic Grid Puzzles | Do [Not] Forget |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (39K ratings)](https://appshunter.io/ios/app/logic-grid-puzzles/id919571269/reviews)** | — |
| Number of ratings | **39K** | — |
| Positive reviews | 85.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#139** | — |
| Size | 21 MB | 2 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egghead Games LLC](https://appshunter.io/developer/809161928) | [Ilias Rafailidis](https://appshunter.io/developer/1874647979) |

## What reviewers say

### Logic Grid Puzzles

[App page](https://appshunter.io/ios/app/logic-grid-puzzles/id919571269)

**Currently charting:** #139 Top Grossing · Word, #170 Top Free · Word (US App Store)

Engage your mind with a collection of unique logic grid puzzles. Progress from beginner to master with increasing difficulty and multiple grid sizes. Utilize smart hints, auto-X, and multi-level undo to enhance your puzzle-solving experience.

**Highlights:** 100 unique logic puzzles, Increasing difficulty levels, Multiple puzzle sizes, Unlimited smart hints, Auto-X for faster entry, Multi-level undo, Error checking

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Puzzles Per Month | $4.99 | per month |
| Vol 1, Smart Logic Puzzles | $2.99 | one-time |
| Vol 2, Smart Logic Puzzles | $2.99 | one-time |
| Vol 3, Smart Logic Puzzles | $2.99 | one-time |
| Vol 4, Smart Logic Puzzles | $2.99 | one-time |
| Vol 5, Smart Logic Puzzles | $2.99 | one-time |
| Vol 6, Smart Logic Puzzles | $2.99 | one-time |
| Vol 7, Smart Logic Puzzles | $2.99 | one-time |
| Vol 8, Smart Logic Puzzles | $2.99 | one-time |
| Vol 9, Smart Logic Puzzles | $2.99 | one-time |

**What reviewers like**

- 🚀 No ads
- 👍 Challenging puzzles
- 👍 Helpful hints
- 👍 Variety of difficulty levels
- 👍 Clean, intuitive interface

**What reviewers complain about**

- 🐛 Occasional puzzle clues that don't make sense
- 🐛 Inability to replay completed puzzles
- 🐛 Repeated puzzles in purchased packs
- 💡 Need for a 'clear all completed' option
- 💡 Desire for more puzzle variety and topics

**Reported bugs**

- Puzzle grid freezing/scaling issues on smaller screens
- Incorrect puzzle solutions or clues

**Requested features**

- Option to show timer and 'expert' time for each puzzle
- Ability to mark 'maybe' options in the grid
- Customizable grid display (e.g. color-coded rows/columns)
- Puzzle pack options sorted by difficulty level


### Do [Not] Forget

[App page](https://appshunter.io/ios/app/do-not-forget/id6759411664)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Logic Grid Puzzles free?

Logic Grid Puzzles is free to download, with in-app purchases available.

### Is Do [Not] Forget free?

Do [Not] Forget is free to download, with no in-app purchases.

### Do Logic Grid Puzzles or Do [Not] Forget have ads?

Neither Logic Grid Puzzles nor Do [Not] Forget shows ads.

### Which is updated more often, Logic Grid Puzzles or Do [Not] Forget?

Logic Grid Puzzles ships an update every 2 weeks, and Do [Not] Forget every 3 days. Most recently, Logic Grid Puzzles was updated on October 3, 2026 and Do [Not] Forget on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*