# Hang vs Decion.ai

The clearest difference is price: Decion.ai at Free against Hang's $4.99. Decion.ai also leads on update cadence (every 8 days vs every 2 months). Hang's advantage is in-app purchases (none vs 6) and ads (none vs shown).

Decion.ai is free to download; Hang costs $4.99 up front. Decion.ai sells 6 in-app purchases, starting at $6.99 per month. Hang asks for nothing beyond the download.

Hang ships an update every 2 months, Decion.ai every 8 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Hang | Decion.ai |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 19.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 5 MB | 78 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [John Lullie](https://appshunter.io/developer/370571602) | [BEE APP LAB TEKNOLOJI LIMITED SIRKETI](https://appshunter.io/developer/1195370227) |

## What reviewers say

### Hang

[App page](https://appshunter.io/ios/app/hang-a-pic/id380232763)

Easily hang multiple pictures or wall ornaments with perfect alignment and spacing. This app guides you precisely where to place nails, eliminating guesswork and extra holes. It handles varying frame widths and up to five items for a flawless display.

**Highlights:** Precise nail placement guidance, Calculates equal spacing, Supports different frame widths, Handles up to 5 items, Email measurements, Print measurements

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ⏱️ Saves time on spacing
- 🎯 Accurate calculations
- 💡 Great concept
- 📏 Useful for single rows
- ✨ Simple to use

**What reviewers complain about**

- 💸 Waste of money
- 🚫 Limited functionality
- ❌ Doesn't work
- 🤷 Useless app
- 📉 Poor value

**Reported bugs**

- Error messages for metric measurements
- Work disappears after checking settings
- Solid black bar on iPad Pro screen
- Emailing measurements sends text template, not measurements
- Simple math functions broken in newer iOS versions

**Requested features**

- Support for multi-row cluster designs
- Ability to indicate desired arrangement for different sizes
- Support for hanging two different-size pieces side by side
- Option to input measurements with fractions/decimals
- Add multiple rows for grid patterns


### Decion.ai

[App page](https://appshunter.io/ios/app/decionai/id6797647118)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Plus (Monthly) | $6.99 | per month |
| Professional | $12.99 | per month |
| Executive | $39.99 | per month |
| Personal Plus (Annual) | $59.99 | per year |
| Professional | $129.99 | per year |
| Executive | $399.99 | per year |


## Frequently asked questions

### Is Hang free?

Hang costs $4.99, with no in-app purchases.

### Is Decion.ai free?

Decion.ai is free to download, with in-app purchases available.

### Do Hang or Decion.ai have ads?

Decion.ai shows ads; Hang does not.

### Which is updated more often, Hang or Decion.ai?

Hang ships an update every 2 months, and Decion.ai every 8 days. Most recently, Hang was updated on November 7, 2026 and Decion.ai on October 31, 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.*