# ADR System vs Silverback Training (SBT)

The clearest difference is in-app purchases: ADR System at none against Silverback Training (SBT)'s 16. Silverback Training (SBT)'s advantage is update cadence (every 11 days vs every 7 months) and review sentiment (63% vs 44%). On price, ads and device support there is nothing between them.

Both are free to download. Silverback Training (SBT) sells 16 in-app purchases, starting at $11.99 per month. ADR System asks for nothing beyond the download.

ADR System ships an update every 7 months, Silverback Training (SBT) every 11 days. The most recent releases landed on September 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ADR System | Silverback Training (SBT) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/silverback-training-sbt/id6449537702/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 44.4% of reviews | **62.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 11 days** |
| Monetization | **Free** | Freemium |
| Size | 18 MB | 122 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lucia Escobar Morales](https://appshunter.io/developer/1518635682) | [Silver Back Training SL](https://appshunter.io/developer/1689568998) |

## What reviewers say

### ADR System

[App page](https://appshunter.io/ios/app/adr-system/id1518635683)

Monitor and optimize strength training and jump assessments wirelessly via Bluetooth. Quickly view athlete performance data, measure key metrics like reactive strength index and estimated 1RM, and create custom load-velocity profiles. Manage multiple athletes with unlimited free storage.

**Highlights:** Wireless Bluetooth connectivity, Strength and jump performance monitoring, Reactive strength index measurement, Estimated daily 1RM calculation, Jump height and flight time tracking, Customizable load-velocity profiles, Athlete profile management

**Features:** macOS Compatibility

**In-app purchases:** none


### Silverback Training (SBT)

[App page](https://appshunter.io/ios/app/silverback-training-sbt/id6449537702)

This platform offers personalized training plans for all fitness levels, focusing on strength, health, posture, and injury prevention. It includes exercise videos and, with a premium subscription, access to a growing library of content on personal development, nutrition, and performance.

**Highlights:** Personalized training plans, Exercise technique videos, Strength and posture improvement, Injury prevention guidance, Premium content library, Multi-discipline training options

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Silver Mensual (Desactivada) | $11.99 | per month |
| Premium Mensual (Desactivada) | $14.99 | per month |
| Silver Mensual | $14.99 | per month |
| Premium Mensual | $19.99 | per month |
| Silver Plus | $22.99 | per month |
| ALL IN SBT | $24.99 | per month |
| ALL IN SBT | $29.99 | per month |
| Silver Plus Anual | $229.99 | per year |
| ALL IN SBT | $249.99 | per year |
| ALL IN SBT | $299.99 | per year |
| Hombros de Acero | $35.00 | one-time |
| Cadera 100% | $79.00 | one-time |
| Handstand | $79.00 | one-time |
| Reto 40 días | $89.00 | one-time |
| TMOV CLUB INFINITO | $99.00 | one-time |
| Ground 12 meses | $179.99 | one-time |


## Frequently asked questions

### Is ADR System free?

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

### Is Silverback Training (SBT) free?

Silverback Training (SBT) is free to download, with in-app purchases available.

### Do ADR System or Silverback Training (SBT) have ads?

Neither ADR System nor Silverback Training (SBT) shows ads.

### Which is updated more often, ADR System or Silverback Training (SBT)?

ADR System ships an update every 7 months, and Silverback Training (SBT) every 11 days. Most recently, ADR System was updated on September 22, 2026 and Silverback Training (SBT) on October 9, 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.*