# TierTally: BOM & Cost Tracker — A hierarchical BOM calculator

> A hierarchical BOM calculator (iPhone/iPad app by Cheng Wei Huang.)

- Source: https://appshunter.io/ios/app/tiertally-bom-and-cost-tracker/id6766071940 (this page in markdown: same URL + `.md`)
- Developer: [Cheng Wei Huang](https://appshunter.io/developer/1896184925)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 3 MB
- Languages: American English
- Released: 2026-05-20
- Data updated: 2026-06-19
- User reviews in markdown: https://appshunter.io/ios/app/tiertally-bom-and-cost-tracker/id6766071940/reviews.md

## What is TierTally?

TierTally is the professional tool designed for makers, contractors, gamers, and engineers to simplify complex project costing. Manage every material and labor hour with a recursive "layered" approach to ensure total accuracy.

Key Features:
• Recursive BOM Engine:
Create "Crafted Items" that consist of other components. TierTally automatically calculates total cost across all sub-layers.

• Labor & Material Tracking:
Switch between material units and labor hours. Set custom hourly rates and base prices for every entry.

• Project Management:
Organize multiple builds or client quotes using dedicated project tabs.

• Professional PDF Export:
Generate detailed Bill of Materials reports ready to share.

• Offline-First & Private:
Your data stays on your device. No cloud account required.

• Precision Arithmetic:
Designed to account for every cent for reliable estimates.

Perfect for:
• DIYers & Woodworkers
• Hardware Product Development
• Construction & Renovation Estimates
• Manufacturing & Assembly Tracking

Subscription Information:
TierTally Pro (Auto-Renewable Subscription)
• Subscription length: Monthly
• Price:
  - Monthly: USD $4.99/month
• Payment will be charged to your Apple ID account at confirmation of purchase.
• Subscription automatically renews unless canceled at least 24 hours before the end of the current period.
• You can manage and cancel subscriptions in Apple ID account settings.

Privacy Policy:
https://www.notion.so/TierTally-363aaee367fc80688843e490a9ab0c77

Terms of Use:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| TierTally Pro Monthly | $4.99 | per month |



## Version history (last 2 releases)

### 1.1.9 — 2026-05-31

- Bug fixes and performance improvements.
- Optimized the subscription experience.

### 1.1.8 — 2026-05-21

No release notes.

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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 2026-06-19.*