# S vs DR

The clearest difference is in-app purchases: S at none against DR's 6. S also leads on iOS requirement (7.0 vs 16.0). DR's advantage is update cadence (every 4 days vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. DR sells 6 in-app purchases, starting at $1.99 per 7 days. S asks for nothing beyond the download.

S ships an update every 10 months, DR every 4 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | S | DR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 days** |
| Size | 3 MB | 101 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [金三立视频科技(深圳)有限公司](https://appshunter.io/developer/870114973) | [DR-Online Sp. z o.o.](https://appshunter.io/developer/1743786912) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-nvs/id882529620)

**Features:** macOS Compatibility

**In-app purchases:** none


### DR

[App page](https://appshunter.io/ios/app/dr-terminal/id6759794328)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DR Terminal PRO — 1 Week | $1.99 | per 7 days |
| DR Terminal PRO — 1 Month | $2.99 | per month |
| DR Terminal PRO — 3 Months | $4.99 | per 3 months |
| DR Terminal PRO — 6 Months | $7.99 | per 6 months |
| DR Terminal PRO — 1 Year | $12.99 | per year |
| DR Terminal PRO — Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is S free?

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

### Is DR free?

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

### Do S or DR have ads?

Neither S nor DR shows ads.

### Which is updated more often, S or DR?

S ships an update every 10 months, and DR every 4 days. Most recently, S was updated on October 26, 2026 and DR on October 28, 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.*