# OrderAssist vs Letter Explainer

The clearest difference is in-app purchases: OrderAssist at none against Letter Explainer's 3. OrderAssist also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). Letter Explainer's advantage is update cadence (every 4 days vs fortnightly). On price and ads there is nothing between them.

Both are free to download. Letter Explainer sells 3 in-app purchases, starting at $3.99 per month. OrderAssist asks for nothing beyond the download.

OrderAssist ships an update fortnightly, Letter Explainer every 4 days. The most recent releases landed on October 1, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | OrderAssist | Letter Explainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | — |
| Size | 90 MB | 21 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Benedikt Kolb](https://appshunter.io/developer/1535213936) | [Armen Ter-Oganezov](https://appshunter.io/developer/1723150483) |

## What reviewers say

### OrderAssist

[App page](https://appshunter.io/ios/app/orderassist/id6446113969)

Streamline event catering operations with this app. It digitizes order taking, sending them directly to the kitchen or bar for preparation. Runners then deliver orders, allowing staff to manage multiple tables efficiently.

**Highlights:** Digital order taking, Direct order transmission to kitchen/bar, Order preparation tracking, Efficient table management, Reduced communication errors, Supports various event sizes

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

**In-app purchases:** none


### Letter Explainer

[App page](https://appshunter.io/ios/app/letter-explainer-postklar/id6816644992)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Postklar Pro Monthly | $3.99 | per month |
| Postklar Pro Yearly | $24.99 | per year |
| 5 Scans | $2.99 | one-time |


## Frequently asked questions

### Is OrderAssist free?

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

### Is Letter Explainer free?

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

### Do OrderAssist or Letter Explainer have ads?

Neither OrderAssist nor Letter Explainer shows ads.

### Which is updated more often, OrderAssist or Letter Explainer?

OrderAssist ships an update fortnightly, and Letter Explainer every 4 days. Most recently, OrderAssist was updated on October 1, 2026 and Letter Explainer on October 19, 2026.

---

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