# primr vs Electrical Tools & Reference

The clearest difference is in-app purchases: primr at none against Electrical Tools & Reference's 2. primr also leads on iOS requirement (10.0 vs 12.0). Electrical Tools & Reference's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Electrical Tools & Reference sells 2 in-app purchases, starting at $2.99 per month. primr asks for nothing beyond the download.

primr ships an update every 2 months, Electrical Tools & Reference every 3 weeks. The most recent releases landed on August 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | primr | Electrical Tools & Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/primr/id1352122058/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 39 MB | 88 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daily Prompt Ltd](https://appshunter.io/developer/1352122057) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### primr

[App page](https://appshunter.io/ios/app/primr/id1352122058)

Enhance your focus and productivity with binaural beats and guided meditation. Track your focus improvement over time and unlock new sound packs designed for creativity and productivity.

**Highlights:** Binaural beats for focus, Guided meditation sessions, Focus rating after each session, Track focus improvement over time, Future sound packs for creativity

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Electrical Tools & Reference

[App page](https://appshunter.io/ios/app/electrical-tools-and-reference/id6746714702)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime Premium | $3.99 | one-time |


## Frequently asked questions

### Is primr free?

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

### Is Electrical Tools & Reference free?

Electrical Tools & Reference is free to download, with in-app purchases available.

### Do primr or Electrical Tools & Reference have ads?

Neither primr nor Electrical Tools & Reference shows ads.

### Which is updated more often, primr or Electrical Tools & Reference?

primr ships an update every 2 months, and Electrical Tools & Reference every 3 weeks. Most recently, primr was updated on August 21, 2026 and Electrical Tools & Reference on September 18, 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.*