# Hole Volumes vs NarrativeFlow

The clearest difference is review sentiment: NarrativeFlow at 100% against Hole Volumes's 0%. NarrativeFlow also leads on rating (5.0 vs 4.0) and update cadence (every 4 days vs every 5 months). Hole Volumes's advantage is in-app purchases (none vs 4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. NarrativeFlow sells 4 in-app purchases, starting at $4.99 per 7 days. Hole Volumes asks for nothing beyond the download.

NarrativeFlow holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 0% of Hole Volumes's written reviews are positive against 100% of NarrativeFlow's.

Hole Volumes ships an update every 5 months, NarrativeFlow every 4 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hole Volumes | NarrativeFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/hole-volumes/id645763976/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/narrativeflow/id6755164950/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 6 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ash Point Ltd.](https://appshunter.io/developer/567630274) | [MyLogix Studio LLC](https://appshunter.io/developer/1813280171) |

## What reviewers say

### Hole Volumes

[App page](https://appshunter.io/ios/app/hole-volumes/id645763976)

This app calculates various oilfield volumes, including hole, annular, tubing, and displacement. Users input depth, casing, and tubing sizes to get quick results. It supports both metric and standard units and allows for custom pipe sizes.

**Highlights:** Calculate hole volumes, Calculate annular volumes, Calculate tubing volumes, Calculate displacement volumes, Supports metric and standard units, Custom pipe size entry

**Features:** Vision Pro support

**In-app purchases:** none


### NarrativeFlow

[App page](https://appshunter.io/ios/app/narrativeflow/id6755164950)

Create stunning visual stories with AI. Generate images from text, edit photos, add narration, and compile cinematic videos. Perfect for creators, marketers, and educators.

**Highlights:** AI image generation from text prompts, Professional AI photo editing tools, Text-to-speech audio narration, Cinematic video creation and compilation, Intuitive user interface, Multi-language support

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $14.99 | per month |
| Half-Year Premium | $59.99 | per 6 months |
| Yearly Premium | $99.99 | per year |


## Frequently asked questions

### Is Hole Volumes free?

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

### Is NarrativeFlow free?

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

### Which has better reviews, Hole Volumes or NarrativeFlow?

NarrativeFlow is rated higher. Hole Volumes averages 4.0 out of 5 from 3 ratings, while NarrativeFlow averages 5.0 from 2 ratings.

### Do Hole Volumes or NarrativeFlow have ads?

Neither Hole Volumes nor NarrativeFlow shows ads.

### Which is updated more often, Hole Volumes or NarrativeFlow?

Hole Volumes ships an update every 5 months, and NarrativeFlow every 4 days. Most recently, Hole Volumes was updated on October 18, 2026 and NarrativeFlow on October 24, 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.*