# Audiologist vs 1 Big App

The clearest difference is in-app purchases: Audiologist at none against 1 Big App's 6. 1 Big App's advantage is update cadence (every 3 weeks vs every 3 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 1 Big App sells 6 in-app purchases, starting at $2.99 per month. Audiologist asks for nothing beyond the download.

Audiologist ships an update every 3 months, 1 Big App every 3 weeks. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Audiologist | 1 Big App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Subscription |
| Size | 10 MB | 6 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [欧仕达听力科技(厦门)有限公司](https://appshunter.io/developer/1405345564) | [Infinite Loop Apps](https://appshunter.io/developer/779473935) |

## What reviewers say

### Audiologist

[App page](https://appshunter.io/ios/app/audiologist/id1405345565)

**In-app purchases:** none


### 1 Big App

[App page](https://appshunter.io/ios/app/1-big-app/id1519858728)

Consolidate numerous utility tools into a single application to streamline your digital tasks. Access the latest versions of image manipulation, text processing, and PDF management features without needing separate downloads. Enhance productivity and organize your digital content efficiently.

**Highlights:** Image resizing (3x, 2x, 1x), Before/After camera layout, Image to PDF conversion, OCR for image to text, Metadata eraser, PDF merger and exporter, Text randomizer and sorter

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-month plan | $2.99 | per month |
| 1-month plan | $7.99 | per month |
| 6-month plan | $8.99 | per 6 months |
| 1-year plan | $12.99 | per year |
| 6-month plan | $29.99 | per 6 months |
| 1-year plan | $39.99 | per year |


## Frequently asked questions

### Is Audiologist free?

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

### Is 1 Big App free?

1 Big App is free to download, with in-app purchases available.

### Do Audiologist or 1 Big App have ads?

Neither Audiologist nor 1 Big App shows ads.

### Which is updated more often, Audiologist or 1 Big App?

Audiologist ships an update every 3 months, and 1 Big App every 3 weeks. Most recently, Audiologist was updated on October 10, 2026 and 1 Big App on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*