# TheosGym vs PulseCaller

The clearest difference is in-app purchases: TheosGym at none against PulseCaller's 2. TheosGym also leads on iOS requirement (12.2 vs 26.0). PulseCaller's advantage is update cadence (every 9 days vs every 10 months) and device support. On price there is nothing between them.

Both are free to download. PulseCaller sells 2 in-app purchases, starting at $8.99 per year. TheosGym asks for nothing beyond the download.

TheosGym ships an update every 10 months, PulseCaller every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TheosGym | PulseCaller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 10 months | **Every 9 days** |
| Size | 77 MB | 257 MB |
| Requires iOS | **12.2** | 26.0 |
| Devices | — | **iPhone, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Themisoft GmbH](https://appshunter.io/developer/1523266744) | [Tobias Christian Erkel](https://appshunter.io/developer/6809031997) |

## What reviewers say

### TheosGym

[App page](https://appshunter.io/ios/app/theosgym/id6443849510)

**In-app purchases:** none


### PulseCaller

[App page](https://appshunter.io/ios/app/pulsecaller/id6809031755)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PulseCaller Pro Yearly | $8.99 | per year |
| PulseCaller Pro – Forever | $22.99 | one-time |


## Frequently asked questions

### Is TheosGym free?

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

### Is PulseCaller free?

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

### Which is updated more often, TheosGym or PulseCaller?

TheosGym ships an update every 10 months, and PulseCaller every 9 days. Most recently, TheosGym was updated on November 3, 2026 and PulseCaller on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*