# NHDOT eFieldBook vs Ring tones

The clearest difference is in-app purchases: NHDOT eFieldBook at none against Ring tones's 2. Ring tones's advantage is update cadence (every 5 days vs every 3 months) and iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Ring tones sells 2 in-app purchases, starting at $0.99 per month. NHDOT eFieldBook asks for nothing beyond the download.

NHDOT eFieldBook ships an update every 3 months, Ring tones every 5 days. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | NHDOT eFieldBook | Ring tones |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 35 MB | 122 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ExeVision](https://appshunter.io/developer/1406987452) | [FENGHUI (HK) HOLDINGS LIMITED](https://appshunter.io/developer/1722133514) |

## What reviewers say

### NHDOT eFieldBook

[App page](https://appshunter.io/ios/app/nhdot-efieldbook/id1406987454)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring tones

[App page](https://appshunter.io/ios/app/ring-tones-make-ringtones/id6503046719)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| month vip | $0.99 | per month |
| year vip | $4.99 | per year |


## Frequently asked questions

### Is NHDOT eFieldBook free?

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

### Is Ring tones free?

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

### Do NHDOT eFieldBook or Ring tones have ads?

Neither NHDOT eFieldBook nor Ring tones shows ads.

### Which is updated more often, NHDOT eFieldBook or Ring tones?

NHDOT eFieldBook ships an update every 3 months, and Ring tones every 5 days. Most recently, NHDOT eFieldBook was updated on September 29, 2026 and Ring tones on October 4, 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.*