# Jumpstash vs Pump Calculator

The clearest difference is review sentiment: Jumpstash at 100% against Pump Calculator's 0%. Jumpstash also leads on price (Free vs $2.99) and rating (4.2 vs 1.0). On ads, in-app purchases and iOS requirement there is nothing between them.

Jumpstash is free to download; Pump Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jumpstash holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Jumpstash has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Jumpstash's written reviews are positive against 0% of Pump Calculator's.

Jumpstash ships an update every 2 weeks, Pump Calculator every 41 months. The most recent releases landed on September 14, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Jumpstash | Pump Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/jumpstash/id1465670860/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/pump-calculator/id1487084383/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 41 months |
| Monetization | **Free** | Paid |
| Size | 17 MB | 1 MB |
| Requires iOS | 16.6 | **16.1** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Mackintosh II](https://appshunter.io/developer/1281426136) | [Imran Pinjara](https://appshunter.io/developer/1484488781) |

## What reviewers say

### Jumpstash

[App page](https://appshunter.io/ios/app/jumpstash/id1465670860)

Securely store backup codes for your accounts in iCloud Keychain. Access them from any device logged into iCloud, ensuring you never lose access to your important services.

**Highlights:** Secure backup code storage, iCloud Keychain integration, Cross-device access, Account lockout prevention, Token generation backup

**In-app purchases:** none


### Pump Calculator

[App page](https://appshunter.io/ios/app/pump-calculator/id1487084383)

Calculate pump power requirements quickly and easily. This utility app features calculators for pump power, flow rate, and head, based on centrifugal pump principles. It's designed for engineers needing to determine hydraulic, shaft, and motor power.

**Highlights:** Pump Power Calculator, Pump Flow Rate Calculator, Pump Head Calculator, Hydraulic Power Calculation, Shaft Power Calculation, Motor Power Calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is Jumpstash free?

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

### Is Pump Calculator free?

Pump Calculator costs $2.99, with no in-app purchases.

### Which has better reviews, Jumpstash or Pump Calculator?

Jumpstash is rated higher. Jumpstash averages 4.2 out of 5 from 5 ratings, while Pump Calculator averages 1.0 from 1 ratings.

### Do Jumpstash or Pump Calculator have ads?

Neither Jumpstash nor Pump Calculator shows ads.

### Which is updated more often, Jumpstash or Pump Calculator?

Jumpstash ships an update every 2 weeks, and Pump Calculator every 41 months. Most recently, Jumpstash was updated on September 14, 2026 and Pump Calculator on August 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.*