# Science 1RM vs PR Foundry

The clearest difference is in-app purchases: PR Foundry at none against Science 1RM's 3. Science 1RM's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Science 1RM sells 3 in-app purchases, starting at $3.99 per month. PR Foundry asks for nothing beyond the download.

Science 1RM ships an update weekly, PR Foundry fortnightly. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Science 1RM | PR Foundry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/science-1rm-gym-workout-log/id6748405580/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Freemium | — |
| Size | 97 MB | 15 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Hanzell Pereira](https://appshunter.io/developer/1825650436) | [Draxis Inc](https://appshunter.io/developer/6773371380) |

## What reviewers say

### Science 1RM

[App page](https://appshunter.io/ios/app/science-1rm-gym-workout-log/id6748405580)

An AI-powered platform for personal trainers and strength coaches to manage clients, automate workout programming, and track progress with detailed performance insights. It offers advanced logging for various training techniques and elite testing features.

**Highlights:** AI-powered workout programming, Client management dashboard, Real-time client progress sync, Data-driven performance insights, True 1RM testing with video tracker, Advanced training log (drop sets, supersets), Lactate & RPE analysis

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Science 1RM Pro (Monthly) | $3.99 | per month |
| Science 1RM Pro (Annual) | $24.99 | per year |
| Science 1RM Pro (Lifetime) | $49.99 | one-time |


### PR Foundry

[App page](https://appshunter.io/ios/app/pr-foundry/id6773371378)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Science 1RM free?

Science 1RM is free to download, with in-app purchases available.

### Is PR Foundry free?

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

### Do Science 1RM or PR Foundry have ads?

Neither Science 1RM nor PR Foundry shows ads.

### Which is updated more often, Science 1RM or PR Foundry?

Science 1RM ships an update weekly, and PR Foundry fortnightly. Most recently, Science 1RM was updated on November 5, 2026 and PR Foundry on October 25, 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.*