# Spirolaterals vs BugPlanetEra

The clearest difference is iOS requirement: Spirolaterals at 11.0 against BugPlanetEra's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Spirolaterals ships an update every 6 months, BugPlanetEra every 5 months. The most recent releases landed on October 26, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Spirolaterals | BugPlanetEra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Size | 4 MB | 2 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Ethier](https://appshunter.io/developer/432436572) | [Khan Kao](https://appshunter.io/developer/1119938868) |

## What reviewers say

### Spirolaterals

[App page](https://appshunter.io/ios/app/spirolaterals/id791250763)

**Features:** macOS Compatibility

**In-app purchases:** none


### BugPlanetEra

[App page](https://appshunter.io/ios/app/bugplanetera/id1492067649)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spirolaterals free?

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

### Is BugPlanetEra free?

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

### Do Spirolaterals or BugPlanetEra have ads?

Neither Spirolaterals nor BugPlanetEra shows ads.

### Which is updated more often, Spirolaterals or BugPlanetEra?

Spirolaterals ships an update every 6 months, and BugPlanetEra every 5 months. Most recently, Spirolaterals was updated on October 26, 2026 and BugPlanetEra on October 11, 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.*