# SimaRobot vs Circles

The clearest difference is in-app purchases: Circles at none against SimaRobot's 1. SimaRobot's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On price, update cadence and ads there is nothing between them.

Both are free to download. SimaRobot sells 1 in-app purchase, starting at $2.99 per month. Circles asks for nothing beyond the download.

SimaRobot ships an update monthly, Circles every 2 weeks. The most recent releases landed on October 4, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SimaRobot | Circles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/circles-learning-together/id1584686101/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 88.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 1.2 GB | 103 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Felipe Araya](https://appshunter.io/developer/1502145695) | [ED4.ONE SpA](https://appshunter.io/developer/1556458104) |

## What reviewers say

### SimaRobot

[App page](https://appshunter.io/ios/app/simarobot/id1515256103)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SMARTRobot | $2.99 | per month |


### Circles

[App page](https://appshunter.io/ios/app/circles-learning-together/id1584686101)

This app transforms online learning into a social experience by allowing users to create study groups. Connect with classmates via chat and video, share resources, and schedule meetups to support each other's academic goals and achieve better learning outcomes.

**Highlights:** Create study circles up to 5 members, In-app chat and video calls, Resource sharing, Study session scheduling, Learning goal support, Activity reminders

**In-app purchases:** none


## Frequently asked questions

### Is SimaRobot free?

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

### Is Circles free?

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

### Do SimaRobot or Circles have ads?

Neither SimaRobot nor Circles shows ads.

### Which is updated more often, SimaRobot or Circles?

SimaRobot ships an update monthly, and Circles every 2 weeks. Most recently, SimaRobot was updated on October 4, 2026 and Circles on October 19, 2026.

---

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