# Kxx Programmer's Reference vs Recycle 101

The clearest difference is price: Recycle 101 at Free against Kxx Programmer's Reference's $3.99. Recycle 101 also leads on update cadence (every 5 months vs every 10 months) and iOS requirement (12.0 vs 17.1). On ads, in-app purchases and device support there is nothing between them.

Recycle 101 is free to download; Kxx Programmer's Reference costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kxx Programmer's Reference ships an update every 10 months, Recycle 101 every 5 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Kxx Programmer's Reference | Recycle 101 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.5 (283 ratings)](https://appshunter.io/ios/app/recycle-101/id1507210716/reviews)** |
| Number of ratings | — | **283** |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 6 MB | 85 MB |
| Requires iOS | 17.1 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mike Downs, ks7d](https://appshunter.io/developer/367909071) | [Casella Waste Systems, Inc.](https://appshunter.io/developer/1507210115) |

## What reviewers say

### Kxx Programmer's Reference

[App page](https://appshunter.io/ios/app/kxx-programmers-reference/id367909068)

**In-app purchases:** none


### Recycle 101

[App page](https://appshunter.io/ios/app/recycle-101/id1507210716)

Easily determine how to dispose of household items with real-time guidance. This app helps you identify what can be reused, recycled, composted, or trashed. It also provides trash and recycling collection schedules with timely notifications.

**Highlights:** Item disposal guidance, Recycling identification, Composting information, Trash and recycling schedules, Collection notifications

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

**In-app purchases:** none

**What reviewers like**

- 👍 Reminders are useful
- 💡 Helpful wizard for recycling
- 👍 Information on recyclables
- 👍 App makes things easier
- 👍 Grateful for pickup reminders

**What reviewers complain about**

- 🐛 App not working after update
- 🐛 Calendar is blank
- 🐛 No collection schedule displayed
- 🐛 App is broken
- 🐛 Cannot find address

**Reported bugs**

- Problem finding calendar
- No events scheduled
- Collection schedule does not appear
- App displays nothing
- Calendar is blank

**Requested features**

- Update app to include all areas
- Improve address recognition
- Fix update issues
- Provide accurate pickup schedules
- Improve customer support responsiveness


## Frequently asked questions

### Is Kxx Programmer's Reference free?

Kxx Programmer's Reference costs $3.99, with no in-app purchases.

### Is Recycle 101 free?

Recycle 101 is free to download, with no in-app purchases.

### Do Kxx Programmer's Reference or Recycle 101 have ads?

Neither Kxx Programmer's Reference nor Recycle 101 shows ads.

### Which is updated more often, Kxx Programmer's Reference or Recycle 101?

Kxx Programmer's Reference ships an update every 10 months, and Recycle 101 every 5 months. Most recently, Kxx Programmer's Reference was updated on October 2, 2026 and Recycle 101 on October 6, 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.*