# Touch RPN calc vs Coopera

The clearest difference is rating: Coopera at 4.9 against Touch RPN calc's 3.4. Coopera also leads on in-app purchases (none vs 10) and ads (none vs shown). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Touch RPN calc sells 10 one-off in-app purchases. Coopera asks for nothing beyond the download.

Coopera holds the better App Store score, 4.9 against 3.4. Both are backed by a comparable volume of ratings — 210 and 124 respectively. Written reviews split almost evenly too, at 48% and 48% positive.

Touch RPN calc ships an update every 2 months, Coopera weekly. Both last shipped on October 27, 2026.

## The numbers

| Metric | Touch RPN calc | Coopera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (210 ratings)](https://appshunter.io/ios/app/touch-rpn-calc/id946171077/reviews) | **[4.9 (124 ratings)](https://appshunter.io/ios/app/coopera/id1522048091/reviews)** |
| Number of ratings | **210** | 124 |
| Positive reviews | 48.1% of reviews | 48.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 94 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Elvis Pfutzenreuter](https://appshunter.io/developer/463497848) | [Sicoob](https://appshunter.io/developer/416696409) |

## What reviewers say

### Touch RPN calc

[App page](https://appshunter.io/ios/app/touch-rpn-calc/id946171077)

This app offers a powerful RPN calculator with financial and scientific functions, mimicking popular industry-standard models. It includes programming capabilities and expandable flavors for diverse calculation needs.

**Highlights:** RPN financial calculator, RPN scientific calculator, Programming functions, HP-12C emulation, HP-11C emulation, Expandable calculator flavors

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Touch 11i app transfer | Free | one-time |
| Touch Fin app transfer | Free | one-time |
| Touch 15i app transfer | Free | one-time |
| Scientific Basic | $2.99 | one-time |
| Scientific Premium | $3.99 | one-time |
| Computer programmer | $3.99 | one-time |
| Scientific Advanced | $4.99 | one-time |
| Financial Black-Scholes | $4.99 | one-time |
| Financial Premium | $6.99 | one-time |
| Financial Advanced | $6.99 | one-time |

**What reviewers like**

- 🚀 Excellent HP calculator emulation
- 👍 Looks and works like the real thing
- 👍 Portrait and landscape modes
- 👍 Paid version is ad-free
- 👍 Great RPN calculator

**What reviewers complain about**

- 🐛 Ads in free version
- 🐛 Ads appearing in paid version
- 🐛 Incorrect calculations
- 🐛 Landscape mode issues
- 🐛 Inability to clear memory

**Reported bugs**

- Stopped working after iOS upgrade
- Landscape mode not functioning properly
- Ads appearing in paid version

**Requested features**

- Paste feature
- Option to switch between RPN and algebraic modes
- Ability to see stack contents instead of ads in paid version


### Coopera

[App page](https://appshunter.io/ios/app/coopera/id1522048091)

This app combines a marketplace and loyalty program, offering over 200,000 products across 30+ categories. Users can purchase travel experiences, entertainment, and donate, paying with points, cash, or a combination.

**Highlights:** Loyalty program integration, 200,000+ products, 30+ product categories, Travel experience purchases, Entertainment options, Pay with points or cash

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

**In-app purchases:** none


## Frequently asked questions

### Is Touch RPN calc free?

Touch RPN calc is free to download, with in-app purchases available.

### Is Coopera free?

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

### Which has better reviews, Touch RPN calc or Coopera?

Coopera is rated higher. Touch RPN calc averages 3.4 out of 5 from 210 ratings, while Coopera averages 4.9 from 124 ratings.

### Do Touch RPN calc or Coopera have ads?

Touch RPN calc shows ads; Coopera does not.

### Which is updated more often, Touch RPN calc or Coopera?

Touch RPN calc ships an update every 2 months, and Coopera weekly. Most recently, Touch RPN calc was updated on October 27, 2026 and Coopera on October 27, 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.*