# РЛС Энциклопедия лекарств vs TSD app

The clearest difference is update cadence: TSD app at every 2 weeks against РЛС Энциклопедия лекарств's every 12 months. РЛС Энциклопедия лекарств's advantage is iOS requirement (11.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

РЛС Энциклопедия лекарств ships an update every 12 months, TSD app every 2 weeks. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | РЛС Энциклопедия лекарств | TSD app |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 21.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 337 MB | 155 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [OOO RLS-Patent](https://appshunter.io/developer/1187857222) | [Satti Logistics](https://appshunter.io/developer/1685797843) |

## What reviewers say

### РЛС Энциклопедия лекарств

[App page](https://appshunter.io/ios/app/id1055039457)

Access comprehensive drug and supplement information, including active ingredients, packaging photos, and pharmacological indexes. This medical resource is curated by specialists and approved by manufacturers.

**Highlights:** Drug descriptions, Supplement and additive information, Active ingredient details, Packaging photos, Pharmacological index, ICD and ATC indexes

**Features:** macOS Compatibility

**In-app purchases:** none


### TSD app

[App page](https://appshunter.io/ios/app/tsd-app/id6448985707)

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

**In-app purchases:** none


## Frequently asked questions

### Is РЛС Энциклопедия лекарств free?

РЛС Энциклопедия лекарств is free to download, with no in-app purchases.

### Is TSD app free?

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

### Do РЛС Энциклопедия лекарств or TSD app have ads?

Neither РЛС Энциклопедия лекарств nor TSD app shows ads.

### Which is updated more often, РЛС Энциклопедия лекарств or TSD app?

РЛС Энциклопедия лекарств ships an update every 12 months, and TSD app every 2 weeks. Most recently, РЛС Энциклопедия лекарств was updated on October 13, 2026 and TSD app on October 6, 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.*