# 4Memo vs Viewer for Trello

The clearest difference is price: Viewer for Trello at Free against 4Memo's $0.99. Viewer for Trello also leads on update cadence (every 4 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Viewer for Trello is free to download; 4Memo costs $0.99 up front. 4Memo sells 5 one-off in-app purchases and Viewer for Trello sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

4Memo ships an update every 3 months, Viewer for Trello every 4 days. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 4Memo | Viewer for Trello |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/4memo/id964039336/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 77.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 4 MB | 2 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Florian Schimanke](https://appshunter.io/developer/288399510) | [Appic Ltd.](https://appshunter.io/developer/984875987) |

## What reviewers say

### 4Memo

[App page](https://appshunter.io/ios/app/4memo/id964039336)

Effortlessly record and send voice memos with minimal steps. Protect your privacy as recordings are processed solely on your device. Integrates with Apple Watch and Siri Shortcuts for enhanced convenience.

**Highlights:** One-tap sending to pre-set recipients, Privacy-focused, on-device processing, Apple Watch integration, Siri Shortcuts support, Email attachment of voice memos

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove 4Memo ad text | $0.99 | one-time |
| Siri Shortcuts | $0.99 | one-time |
| Transcription | $0.99 | one-time |
| Apple Watch Extension | $1.99 | one-time |
| All Premium Features | $2.99 | one-time |


### Viewer for Trello

[App page](https://appshunter.io/ios/app/viewer-for-trello/id1548761411)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Board Access | $4.99 | one-time |


## Frequently asked questions

### Is 4Memo free?

4Memo costs $0.99, and also offers in-app purchases.

### Is Viewer for Trello free?

Viewer for Trello is free to download, with in-app purchases available.

### Do 4Memo or Viewer for Trello have ads?

Neither 4Memo nor Viewer for Trello shows ads.

### Which is updated more often, 4Memo or Viewer for Trello?

4Memo ships an update every 3 months, and Viewer for Trello every 4 days. Most recently, 4Memo was updated on September 20, 2026 and Viewer for Trello on September 17, 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.*