# E1RM Calculator vs Solva

E1RM Calculator and Solva are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. E1RM Calculator sells 1 one-off in-app purchase and Solva sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

E1RM Calculator ships an update every 8 days, Solva weekly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | E1RM Calculator | Solva |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Size | 0 MB | 34 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Paul Walsh](https://appshunter.io/developer/1879357731) | [INTEGRO TECHNOLOGIES S.R.L.](https://appshunter.io/developer/6786821238) |

## What reviewers say

### E1RM Calculator

[App page](https://appshunter.io/ios/app/e1rm-calculator-rpe-based/id6759536865)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Developer | $1.99 | one-time |


### Solva

[App page](https://appshunter.io/ios/app/solva/id6786821236)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium+ Monthly | $12.99 | per month |
| Premium Yearly | $49.99 | per year |
| Premium+ Yearly | $99.99 | per year |


## Frequently asked questions

### Is E1RM Calculator free?

E1RM Calculator is free to download, with in-app purchases available.

### Is Solva free?

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

### Do E1RM Calculator or Solva have ads?

Neither E1RM Calculator nor Solva shows ads.

### Which is updated more often, E1RM Calculator or Solva?

E1RM Calculator ships an update every 8 days, and Solva weekly. Most recently, E1RM Calculator was updated on October 31, 2026 and Solva on November 10, 2026.

---

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