# Era vs Bolter

The clearest difference is iOS requirement: Era at 18.5 against Bolter's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Era sells 1 one-off in-app purchase and Bolter sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Era | Bolter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 6 MB | 31 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Picard](https://appshunter.io/developer/1621115334) | [Pedro Schott](https://appshunter.io/developer/1792277768) |

## What reviewers say

### Era

[App page](https://appshunter.io/ios/app/era-practice-mindfulness/id6753314033)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Era Lifetime Access | $9.99 | one-time |


### Bolter

[App page](https://appshunter.io/ios/app/bolter-fast-calorie-tracker/id6777551304)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $59.99 | per year |


## Frequently asked questions

### Is Era free?

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

### Is Bolter free?

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

### Do Era or Bolter have ads?

Neither Era nor Bolter shows ads.

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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.*