# Perfect OB Wheel vs ICD 10 2027 Coding Assistant

The clearest difference is price: ICD 10 2027 Coding Assistant at Free against Perfect OB Wheel's $1.99. Perfect OB Wheel's advantage is chart position (#64 vs unranked) and iOS requirement (13.0 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

ICD 10 2027 Coding Assistant is free to download; Perfect OB Wheel costs $1.99 up front. Perfect OB Wheel sells 1 one-off in-app purchase and ICD 10 2027 Coding Assistant sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Perfect OB Wheel ships an update weekly, ICD 10 2027 Coding Assistant every 10 days. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Perfect OB Wheel | ICD 10 2027 Coding Assistant |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.9 (3.6K ratings)](https://appshunter.io/ios/app/perfect-ob-wheel/id293656711/reviews)** | — |
| Number of ratings | **3.6K** | — |
| Positive reviews | 83.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#64** | — |
| Size | 14 MB | 83 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Evan Schoenberg](https://appshunter.io/developer/289039917) | [VLR Software](https://appshunter.io/developer/375047405) |

## What reviewers say

### Perfect OB Wheel

[App page](https://appshunter.io/ios/app/perfect-ob-wheel/id293656711)

**Currently charting:** #64 Top Paid · Medical (US App Store)

This app is a comprehensive obstetrics calculator that provides detailed pregnancy information. It offers flexible input options and displays thorough results including estimated due dates, gestational ages, and fetal growth estimates.

**Highlights:** Flexible input (LMP, conception, EDC, ultrasound), Fast data entry options, Detailed pregnancy results, Accurate date calculations, Persistence of last used data, Optional pregnancy tracking upgrade

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Perfect OB Tracker | $4.99 | one-time |

**What reviewers like**

- 🚀 Extremely helpful
- 🚀 Couldn't do my job without it
- 🚀 Perfect wheel is well-named
- 🚀 I love this app!
- 🚀 Great app!!

**What reviewers complain about**

- 🐛 rip off to force you to pay more
- 🐛 App stopped opening
- 🐛 Stopped working after update 45
- 🐛 Crashing!!
- 🐛 Latest update

**Reported bugs**

- App crashes after update
- Delivered today button not working after upgrade
- Dates keep changing when entering info

**Requested features**

- Date-adjustment for women who have a five week menstrual cycle
- More fields for infant info, apgars and weight
- Ability to adjust cycle length
- Ability to type in a gestation and get a date or type in a date and get a gestation
- Calculate GA on a specific date


### ICD 10 2027 Coding Assistant

[App page](https://appshunter.io/ios/app/icd-10-2027-coding-assistant/id6789714571)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $29.99 | per year |


## Frequently asked questions

### Is Perfect OB Wheel free?

Perfect OB Wheel costs $1.99, and also offers in-app purchases.

### Is ICD 10 2027 Coding Assistant free?

ICD 10 2027 Coding Assistant is free to download, with in-app purchases available.

### Do Perfect OB Wheel or ICD 10 2027 Coding Assistant have ads?

Neither Perfect OB Wheel nor ICD 10 2027 Coding Assistant shows ads.

### Which is updated more often, Perfect OB Wheel or ICD 10 2027 Coding Assistant?

Perfect OB Wheel ships an update weekly, and ICD 10 2027 Coding Assistant every 10 days. Most recently, Perfect OB Wheel was updated on October 19, 2026 and ICD 10 2027 Coding Assistant on October 15, 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.*