# Bolster Research Study vs Olera

The clearest difference is update cadence: Olera at weekly against Bolster Research Study's every 3 months. Bolster Research Study's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bolster Research Study ships an update every 3 months, Olera weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Bolster Research Study | Olera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 40 MB | 33 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Benjamin Buck](https://appshunter.io/developer/1649651898) | [Olera](https://appshunter.io/developer/1862152339) |

## What reviewers say

### Bolster Research Study

[App page](https://appshunter.io/ios/app/bolster-research-study/id6446148642)

**In-app purchases:** none


### Olera

[App page](https://appshunter.io/ios/app/olera/id6756663292)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bolster Research Study free?

Bolster Research Study is free to download, with no in-app purchases.

### Is Olera free?

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

### Do Bolster Research Study or Olera have ads?

Neither Bolster Research Study nor Olera shows ads.

### Which is updated more often, Bolster Research Study or Olera?

Bolster Research Study ships an update every 3 months, and Olera weekly. Most recently, Bolster Research Study was updated on October 27, 2026 and Olera on October 28, 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.*