# RF toolbox vs Sunday Echoes

The clearest difference is update cadence: Sunday Echoes at weekly against RF toolbox's every 6 months. RF toolbox's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. RF toolbox sells 1 one-off in-app purchase and Sunday Echoes sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

RF toolbox ships an update every 6 months, Sunday Echoes weekly. The most recent releases landed on September 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | RF toolbox | Sunday Echoes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/sunday-echoes/id6778468274/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 28 MB | 71 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [Jonathan Malm](https://appshunter.io/developer/575341419) |

## What reviewers say

### RF toolbox

[App page](https://appshunter.io/ios/app/rf-toolbox-electronics/id6757265018)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade to pro | $3.99 | one-time |


### Sunday Echoes

[App page](https://appshunter.io/ios/app/sunday-echoes/id6778468274)

Capture sermon notes, explore scripture and original languages, and generate personalized devotionals. This app helps you retain sermon content throughout the week with searchable notes and secure cross-device syncing.

**Highlights:** Sermon note-taking with attribution, Inline scripture lookup and interpretation, Original language word study (Greek/Hebrew), Personalized daily devotional plans, Fast, relevance-ranked search, Cross-device syncing, Export notes (Markdown/CSV)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sunday Echoes Pro (Monthly) | $3.99 | per month |
| Sunday Echoes Pro (Annual) | $34.99 | per year |


## Frequently asked questions

### Is RF toolbox free?

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

### Is Sunday Echoes free?

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

### Do RF toolbox or Sunday Echoes have ads?

Neither RF toolbox nor Sunday Echoes shows ads.

### Which is updated more often, RF toolbox or Sunday Echoes?

RF toolbox ships an update every 6 months, and Sunday Echoes weekly. Most recently, RF toolbox was updated on September 9, 2026 and Sunday Echoes on September 12, 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.*