Touch RPN calc vs E2E
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Touch RPN calc
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.
- RPN financial calculator
- RPN scientific calculator
- Programming functions
- HP-12C emulation
- HP-11C emulation
- Expandable calculator flavors
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Touch RPN is an RPN financial and scientific calculator that implements most features of the industry-standard HP-12C, including programming functions. It also implements a scientific RPN flavor that implements most functions of the beloved 11C. And even more flavors (10C-like, 16C-like) can be purchased within the app.
E2E
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The Smartphone becomes the link between the physical world and the digital world of a client that requires financial and / or non-financial transactions with entities that present services over the network and that have activated the digital identity services of clients.
Screenshots
Verdict
The clearest difference is in-app purchases: E2E at none against Touch RPN calc's 10. E2E also leads on iOS requirement (11.0 vs 15.0). Touch RPN calc's advantage is device support. On price there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Touch RPN calc sells 10 one-off in-app purchases. E2E asks for nothing beyond the download.
| Parameter | Touch RPN calc | E2E |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (208 ratings) — better | — |
| Positive reviews | 47.9% of reviews | — |
| Number of ratings | 208 — better | — |
| Update frequency | Every 2 months | — |
| Ads | Yes | — |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 30 MB |
| Age rating | +4 | 17+ |
| Developer | Elvis Pfutzenreuter | e2eworks corp |
Bugs and requests
Touch RPN calc
Reported bugs
3 issues- Stopped working after iOS upgrade
- Landscape mode not functioning properly
- Ads appearing in paid version
Requested features
3 requests- Paste feature
- Option to switch between RPN and algebraic modes
- Ability to see stack contents instead of ads in paid version
E2E
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Touch RPN calc
- Touch 11i app transferFree
- Touch Fin app transferFree
- Touch 15i app transferFree
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- Scientific Basic$2.99
- Scientific Premium$3.99
- Computer programmer$3.99
- Scientific Advanced$4.99
- Financial Black-Scholes$4.99
- Financial Premium$6.99
- Financial Advanced$6.99
E2E
No in-app purchases
