# Natural Selection Sim vs Relay Smart Agent

The clearest difference is review sentiment: Natural Selection Sim at 50% against Relay Smart Agent's 0%. Natural Selection Sim also leads on rating (3.4 vs 1.2) and iOS requirement (10.0 vs 15.0). Relay Smart Agent's advantage is device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

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

Natural Selection Sim holds the better App Store score, 3.4 against 1.2. Both are backed by a comparable volume of ratings — 22 and 33 respectively. Written reviews point the same way: 50% of Natural Selection Sim's written reviews are positive against 0% of Relay Smart Agent's.

Natural Selection Sim ships an update every 3 months, Relay Smart Agent every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Natural Selection Sim | Relay Smart Agent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (22 ratings)](https://appshunter.io/ios/app/natural-selection-sim/id910261072/reviews)** | [1.2 (33 ratings)](https://appshunter.io/ios/app/relay-smart-agent/id1374371214/reviews) |
| Number of ratings | 22 | **33** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 128 MB | 9 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Amplify Education, Inc.](https://appshunter.io/developer/433704168) | [Lightspeed Solutions, LLC](https://appshunter.io/developer/367422071) |

## What reviewers say

### Natural Selection Sim

[App page](https://appshunter.io/ios/app/natural-selection-sim/id910261072)

This educational simulation models natural selection processes. It is designed for use with a specific science curriculum and requires a school-provided login and license to function.

**Highlights:** Natural selection simulation, Educational curriculum integration, Requires school login and license, iPad compatible

**In-app purchases:** none


### Relay Smart Agent

[App page](https://appshunter.io/ios/app/relay-smart-agent/id1374371214)

This application offers web filtering and safety features for iOS devices, ensuring CIPA compliance for schools. It provides on and off-campus protection and reports on student activity, acting as a hardware-free cloud solution.

**Highlights:** CIPA compliant web filtering, On/off campus safety, Student activity reporting, Hardware-free cloud solution, Anytime, anywhere filtering

**In-app purchases:** none


## Frequently asked questions

### Is Natural Selection Sim free?

Natural Selection Sim is free to download, with no in-app purchases.

### Is Relay Smart Agent free?

Relay Smart Agent is free to download, with no in-app purchases.

### Which has better reviews, Natural Selection Sim or Relay Smart Agent?

Natural Selection Sim is rated higher. Natural Selection Sim averages 3.4 out of 5 from 22 ratings, while Relay Smart Agent averages 1.2 from 33 ratings.

### Do Natural Selection Sim or Relay Smart Agent have ads?

Neither Natural Selection Sim nor Relay Smart Agent shows ads.

### Which is updated more often, Natural Selection Sim or Relay Smart Agent?

Natural Selection Sim ships an update every 3 months, and Relay Smart Agent every 2 months. Most recently, Natural Selection Sim was updated on October 26, 2026 and Relay Smart Agent on October 24, 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.*