# DND vs Ringsee

The clearest difference is in-app purchases: DND at none against Ringsee's 10. Ringsee's advantage is iOS requirement (12.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ringsee sells 10 in-app purchases, starting at $4.99 per month. DND asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 8 days. The most recent releases landed on September 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | DND | Ringsee |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dnd/id6451104638/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | Every 8 days |
| Monetization | Free | — |
| Size | 339 MB | 186 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MATL TECH INC.](https://appshunter.io/developer/1735263917) | [松斌 卢](https://appshunter.io/developer/1596756393) |

## What reviewers say

### DND

[App page](https://appshunter.io/ios/app/dnd/id6451104638)

This tool helps you understand your vehicle's health and diagnose issues. It provides comprehensive diagnostic services, maintenance guidance, and real-time sensor data monitoring, making car care accessible even for beginners.

**Highlights:** OBD functionality, Enhanced diagnosis, Vehicle maintenance guidance, Locate malfunction causes, AI services, Abnormal warnings, Real-time sensor data monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Ringsee

[App page](https://appshunter.io/ios/app/ringsee/id6502541847)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month package 30day circle storage | $4.99 | per month |
| Half year 7day circle storage R7 | $16.99 | per 6 months |
| Half year 30day circle storage | $22.99 | per 6 months |
| Year package 7day circle storage R7 | $29.99 | per year |
| Year package 30-day circle storage | $48.99 | per year |
| Month package R30 | $6.99 | one-time |
| Half year package R7 | $18.00 | one-time |
| Year package R7 | $32.49 | one-time |
| Half year package R30 | $38.99 | one-time |
| Year package R30 | $68.99 | one-time |


## Frequently asked questions

### Is DND free?

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

### Is Ringsee free?

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

### Do DND or Ringsee have ads?

Neither DND nor Ringsee shows ads.

### Which is updated more often, DND or Ringsee?

DND ships an update every 8 days, and Ringsee every 8 days. Most recently, DND was updated on September 17, 2026 and Ringsee on October 8, 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.*