# Classroom Traffic Lights vs Energetic Numbers

The clearest difference is price: Energetic Numbers at Free against Classroom Traffic Lights's $0.49. Energetic Numbers also leads on update cadence (weekly vs every 38 months). Classroom Traffic Lights's advantage is chart position (#200 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Energetic Numbers is free to download; Classroom Traffic Lights costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Classroom Traffic Lights ships an update every 38 months, Energetic Numbers weekly. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Classroom Traffic Lights | Energetic Numbers |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Weekly** |
| Monetization | Paid | — |
| Best chart rank | **#200** | — |
| Size | 3 MB | 73 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [pkclSoft](https://appshunter.io/developer/432090829) | [Lucy Junior, LLC](https://appshunter.io/developer/1400463225) |

## What reviewers say

### Classroom Traffic Lights

[App page](https://appshunter.io/ios/app/classroom-traffic-lights/id1080976061)

**Currently charting:** #200 Top Paid · Education (US App Store)

This app provides teachers with a simple, visual tool for instant feedback on student understanding and attitudes. It helps assess learning, gauge opinions, and manage classroom dynamics with clear, large graphics. It's designed for easy use on all Apple devices.

**Highlights:** Instantaneous whole-class feedback, Formative assessment of learning, Gauging attitudes and opinions, Classroom management tool, Large, clear graphics, Supports all iPad and iPhone devices

**Features:** macOS Compatibility

**In-app purchases:** none


### Energetic Numbers

[App page](https://appshunter.io/ios/app/energetic-numbers/id6705122842)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Classroom Traffic Lights free?

Classroom Traffic Lights costs $0.49, with no in-app purchases.

### Is Energetic Numbers free?

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

### Do Classroom Traffic Lights or Energetic Numbers have ads?

Neither Classroom Traffic Lights nor Energetic Numbers shows ads.

### Which is updated more often, Classroom Traffic Lights or Energetic Numbers?

Classroom Traffic Lights ships an update every 38 months, and Energetic Numbers weekly. Most recently, Classroom Traffic Lights was updated on November 6, 2026 and Energetic Numbers on November 8, 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.*