# Heap: Compost Helper — Fix smells. Nail your C:N.

> Fix smells. Nail your C:N. (iPhone/iPad app by ERIC MATTHEW DRAPER.)

- Source: https://appshunter.io/ios/app/heap-compost-helper/id6761755586 (this page in markdown: same URL + `.md`)
- Developer: [ERIC MATTHEW DRAPER](https://appshunter.io/developer/1876064291)
- Category: Reference, Lifestyle
- Price: Free with in-app purchases (on sale, was $2.99)
- Age rating: 4+
- Requires: iOS 13.0 · 25 MB
- Languages: English
- Released: 2026-04-25
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/heap-compost-helper/id6761755586/reviews.md

## What is Heap?

Heap takes the guesswork out of composting. Add what you toss in - kitchen scraps, leaves, cardboard, grass clippings - and Heap calculates your carbon-to-nitrogen ratio in real time. No chemistry degree needed.

Features:
- Real-time C:N ratio calculator as you add materials
- Track multiple compost bins, tumblers, or piles
- Material library with C:N values for 80+ common inputs
- Visual balance indicator: too green, too brown, or just right
- Turn and temperature logging to track decomposition progress
- Troubleshooting guide: smelly pile, slow breakdown, pests
- Composting method comparisons: hot, cold, vermicompost, bokashi
- Works offline - your data stays on your device

Part of the Plant Anywhere family of gardening tools. Heap pairs naturally with the Plant Anywhere garden planner - grow food, then close the loop by composting your waste back into the soil.

Your data stays on your device. Heap does not require an account, does not sell your data, and does not show ads.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock Heap | $2.99 | one-time |



## Version history (last 3 releases)

### 1.1.1 — 2026-07-04

This update includes small improvements and bug fixes.

### 1.1.0 — 2026-06-14

Compost smarter. C:N ratio calculator, 236-item materials database, bin tracker, temperature charts, troubleshooting guide. 5 methods: hot, cold, vermicompost, bokashi, tumbler. Offline. No ads.

### 1.0 — 2026-04-25

No release notes.

## More apps by ERIC MATTHEW DRAPER

- [Vernalo: Plant Anywhere](https://appshunter.io/ios/app/vernalo-plant-anywhere/id6758965804)
- [Garden Allies](https://appshunter.io/ios/app/garden-allies/id6761365787)
- [Moon & Sow](https://appshunter.io/ios/app/moon-and-sow/id6761755497)
- [Roost: Backyard Chickens](https://appshunter.io/ios/app/roost-backyard-chickens/id6761755516)

All apps by ERIC MATTHEW DRAPER: https://appshunter.io/developer/1876064291

## Related topics

[compositing](https://appshunter.io/ios/topics/compositing)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*