# D2D Sim vs CaseGrid

The clearest difference is rating: D2D Sim at 5.0 against CaseGrid's 3.0. D2D Sim also leads on in-app purchases (none vs 3) and ads (none vs shown). CaseGrid's advantage is update cadence (daily vs every 3 days) and iOS requirement (15.6 vs 17.4). On price and device support there is nothing between them.

Both are free to download. CaseGrid sells 3 in-app purchases, starting at $2.99 per 7 days. D2D Sim asks for nothing beyond the download.

D2D Sim holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

D2D Sim ships an update every 3 days, CaseGrid daily. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | D2D Sim | CaseGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/d2d-sim/id6661018788/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/casegrid-detective-puzzle/id6807734804/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 48 MB |
| Requires iOS | 17.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Bramble](https://appshunter.io/developer/1755515941) | [SevPlay LTD](https://appshunter.io/developer/1691255164) |

## What reviewers say

### D2D Sim

[App page](https://appshunter.io/ios/app/d2d-sim/id6661018788)

Experience the thrill of sales by knocking on doors, convincing customers, and closing deals. This engaging game offers a fun and accessible simulation for anyone looking to test their sales skills.

**Highlights:** Door-to-door sales simulation, Customer persuasion mechanics, Deal closing gameplay, Engaging sales experience, Accessible for all players

**Features:** macOS Compatibility

**In-app purchases:** none


### CaseGrid

[App page](https://appshunter.io/ios/app/casegrid-detective-puzzle/id6807734804)

Engage in daily logic puzzles where you deduce a culprit from a lineup using only factual clues. Each case is solvable through pure reasoning, with no luck involved. Earn badges to unlock more cases or subscribe for full archive access.

**Highlights:** Daily deduction cases, Logic-based puzzles, No guessing required, Badge system for attempts, Offline play available, Full case archive access via subscription

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week | $2.99 | per 7 days |
| 1 month | $7.99 | per month |
| 1 year | $49.99 | per year |


## Frequently asked questions

### Is D2D Sim free?

D2D Sim is free to download, with no in-app purchases.

### Is CaseGrid free?

CaseGrid is free to download, with in-app purchases available.

### Which has better reviews, D2D Sim or CaseGrid?

D2D Sim is rated higher. D2D Sim averages 5.0 out of 5 from 3 ratings, while CaseGrid averages 3.0 from 1 ratings.

### Do D2D Sim or CaseGrid have ads?

CaseGrid shows ads; D2D Sim does not.

### Which is updated more often, D2D Sim or CaseGrid?

D2D Sim ships an update every 3 days, and CaseGrid daily. Most recently, D2D Sim was updated on September 28, 2026 and CaseGrid on October 5, 2026.

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