# NerdCalc vs PullSheet Elevator Diagnostics

The clearest difference is monetization model: NerdCalc at free against PullSheet Elevator Diagnostics's subscription. NerdCalc also leads on ratings volume (183 vs 2). PullSheet Elevator Diagnostics's advantage is update cadence (every 2 days vs every 19 months) and rating (5.0 vs 4.8). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PullSheet Elevator Diagnostics holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: NerdCalc has 183 ratings behind it against 2, so its average is the more settled of the two.

NerdCalc ships an update every 19 months, PullSheet Elevator Diagnostics every 2 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | NerdCalc | PullSheet Elevator Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (183 ratings)](https://appshunter.io/ios/app/nerdcalc/id432781819/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pullsheet-elevator-diagnostics/id6751124865/reviews)** |
| Number of ratings | **183** | 2 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 days** |
| Monetization | **Free** | Subscription |
| Size | 0 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Nidal Fakhouri](https://appshunter.io/developer/432780820) | [Intent Mesh LLC](https://appshunter.io/developer/1833539375) |

## What reviewers say

### NerdCalc

[App page](https://appshunter.io/ios/app/nerdcalc/id432781819)

Perform calculations across binary, hexadecimal, and decimal number bases simultaneously. Easily switch input modes and see results update instantly for all bases. Supports unsigned and 2's complement for negative numbers, along with arithmetic, logic, and bitwise operations.

**Highlights:** Simultaneous base display, Switchable input modes, Unsigned and 2's complement support, Arithmetic operations, Logic operations, Bitwise shifting

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

**In-app purchases:** none


### PullSheet Elevator Diagnostics

[App page](https://appshunter.io/ios/app/pullsheet-elevator-diagnostics/id6751124865)

This app assists qualified elevator mechanics in diagnosing equipment issues. It guides users through describing problems, exploring causes, recording observations, and narrowing down diagnoses with AI-powered insights. Reports can be saved, reopened, and exported for offline access.

**Highlights:** AI-powered symptom analysis, Guided diagnosis process, Equipment troubleshooting for elevators and escalators, Voice dictation and read-aloud reports, Offline logbook for saved diagnoses, Exportable diagnostic reports

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

**In-app purchases:** none


## Frequently asked questions

### Is NerdCalc free?

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

### Is PullSheet Elevator Diagnostics free?

PullSheet Elevator Diagnostics is free to download, with no in-app purchases.

### Which has better reviews, NerdCalc or PullSheet Elevator Diagnostics?

PullSheet Elevator Diagnostics is rated higher. NerdCalc averages 4.8 out of 5 from 183 ratings, while PullSheet Elevator Diagnostics averages 5.0 from 2 ratings.

### Do NerdCalc or PullSheet Elevator Diagnostics have ads?

Neither NerdCalc nor PullSheet Elevator Diagnostics shows ads.

### Which is updated more often, NerdCalc or PullSheet Elevator Diagnostics?

NerdCalc ships an update every 19 months, and PullSheet Elevator Diagnostics every 2 days. Most recently, NerdCalc was updated on October 9, 2026 and PullSheet Elevator Diagnostics on October 6, 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.*