# HP Prime Lite — user reviews > 46 indexed App Store user reviews of HP Prime Lite by MORAVIA Consulting, spol. s r.o., rated 3.60/5 from 41 ratings. - Source: https://appshunter.io/ios/app/hp-prime-lite/id1208226883/reviews - App overview in markdown: https://appshunter.io/ios/app/hp-prime-lite/id1208226883.md - Rating breakdown: 5★ 17 · 4★ 6 · 3★ 8 · 2★ 3 · 1★ 7 ## Newest reviews (14 of 46) ### 3/5 — Pr . Keef *2026-08-13, version 2.1.14581* At least it returns scientific notation unlike the Apple iPad ‘scientific’ calculator but on iPad it does not work for all orientation so using portrait mode with power lead plugged in top is not an option Needs updating for this weeks iOS fix and pro version should be free for those who have an actual registered HP Prime ### 2/5 — Needs Updating *2025-04-15, version 2.1.14581* While it emulated the real thing well, it does not use the entire screen real estate. Additionally, it keeps asking to download help files every time the app is opened. This for the Lite version. If the paid version is the same way then it is not worth the upgrade. ### 3/5 — The arrow navigation key lags *2024-02-26, version 2.1.14581* The arrow navigation key lags a lot, you have to press it multiple times before it register and moves around. Specially when I input a long equation and make a mistake somewhere it’s a nightmare to move around to that variable and correct it. Im using iPhone 13 pro. ### 4/5 — Good RPN calc, doesn’t fully use screen real estate *2023-12-29, version 2.1.14581* It’s been a while since the app was updated (2y) so perhaps it’s been abandoned, but it would be good to see an update that zoomed the interface to make full use of the iPhone screen. Right now there’s a lot of wasted space on the borders which makes the calculator needlessly small and hence quite difficult to use. ### 3/5 — Als Ersatz für physischen Rechner ok *2023-12-15* Die App als Ersatz für den physischen HP Prime ist nett, falls man den mal nicht dabei haben sollte. Da aber seit Jahren Updates fehlen mit neuen Geräten leider zunehmend unbrauchbar ### 3/5 — Wasted Margins *2023-02-13, version 2.1.14581* Like others have said, this app needs to be updated to allow it to be zoomed in (permanently). There is wasted space all around the edge, causing the buttons to be smaller than they need to be. ### 3/5 — Needs to stop wasting screen real-estate *2022-05-08, version 2.1.14581* I gave the lite version a try and like the features. Heck, I’d gladly pay for the pro version. The one thing keeping me from getting the pro version are the huge blank spaces all the way around the interface. For now I’ll stay with the 48G app. ### 3/5 — Irres Datumsformat *2022-04-06* Gleich beim ersten Einrichten fehlt das deutsche Datumsformat TT.MM.JJJJ Stattdessen werden ein falsches, japanisches Format angeboten (eigentlich mit „-„ getrennt) und ein sinnloses Fantasieformat, welches jeden Ami in den Wahnsinn treibt. Schade. Mal sehen, was noch kommt. ### 4/5 — Lite version.... *2022-03-05, version 2.1.14581* Non sono abilitate le funzioni avanzate (esempio CAS). Per quelle serve la versione a pagamento da 24 e spicciola euro :-( ### 4/5 — One bug.. otherwise brilliant *2021-04-11, version 2.1* I have the real HP Prime, which is just astoundingly good at all the things I needed at undergrad Math, Physics, and Electronic engineering. The FREE apps for iPhone and iPad are almost as good as the real thing, and outshine every other graphing calculator app. Of course, they all have steep learning curves, and when you’ve learnt one it’s natural to prefer it... However, the free iPad version of this HP Prime app in April 2021 has a bug - it won’t graph simple functions. Just try it with an x squared function and be amazed at the horizontal graph line instead of a curve! Bizarre, because the iPhone version graphs properly. Thanks, HP, I’ll keep using the iPhone version with my little finger and extra reading glasses until you can fix the iPad version! ### 4/5 — Great Calculator *2020-06-08, version 2.1* It would’ve been a 5 star if they could update the interface to take advantage of new phones display. As of now a big chunk of the screen on the top and button is just black. ### 4/5 — iPhone XS resolution *2019-08-19, version 1.4.1* The calculator app is very nice to have in my pocket as a decent RPN calculator with all of the CAS features, etc. I wish that the calculator would be updated with a taller resolution with smaller margins on the sides as the iPhone XS resolution better matches the dimensions of the HP Prime. The zoom-out animation at app-boot-up shows off what it could look like. I feel that the keys could be bigger and easier to use because of this too. ### 4/5 — Amazing value *2019-03-01, version 1.4.1* Frustrating that it has bars on the sides which shrink it on modern iPhones. It also crashes way too often. Once these are fixed I’ll pay for pro, and finally replace my trusty 48GX. But even as is, truly amazing value for money. ### 3/5 — Crashes *2019-01-27, version 1.4.1* I installed this app on my iPhone 8 Plus running iOS 12.1.2. The app periodically crashes. The first time it crash, I was testing the draw command. And With the first line drown, it crash. The second time was when I was entering the example on page 14 (36 deg, 40 ‘ 20”) of the main user manual. It crash when I enter the 20 after the 40. The calculator is nice and looks powerful ( meaning it has a lot of potential) however, hp needs to update the app. I am sure hp engineers have this app running on the new iPhone, then I am sure it crashes as well. Or maybe they just can’t figure out the problem. I hope they can find a fix so I can make purchase. But then again will it be good idea to buy an from a developer who only update the app wince a year? Good Luck! ## Most critical reviews (10 lowest-rated) ### 1/5 — Ernüchternd *2022-08-09* Die Tasten sind zu klein. Damit man wahrscheinlich nicht auf den Gedanken kommt, die App als Ersatz des Taschenrechners zu benutzen. Die Auflösung ist schlecht, als ob man die App noch für das iPhone 3GS entwickelt hatte (165 ppi) ### 1/5 — Needs an update!! *2022-07-08, version 2.1.14581* Update the app, please. Among other changes and updates, this needs support for modern iPhones and iPads. This app needs some attention. What a joke. ### 1/5 — Impossibile *2022-02-01, version 2.1.14581* Non riesco ad attivarla mi esce un lucchetto disegnato ### 1/5 — Frustrierend - unbrauchbar *2019-04-20* Ständige Abstürze. Vor einem Jahr aktualisiert, keine Entwicklung. Bei der Bezahlversion sieht es nicht anders aus! Nehmt den Mist aus dem Store! ### 1/5 — Won’t slide... *2019-03-31, version 1.4.1* Cannot do anything with this app because it keeps asking me to slide a location in a variety of languages. However, nothing slides so that the app won’t work. There is an expensive Pro version that has many complaints. Won’t even go there in consideration of the Lite app. A fix would be great! ### 1/5 — 感觉不是一个专业做应用的团队做的 *2019-03-17* 首先，第一步滑动解锁的那一步就过不去，怎么滑动都无效，然后就闪退了。经常莫名闪退。这团队好像连系统化的软件测试意识都没有。 ### 1/5 — It crashes all the time *2019-01-11, version 1.4.1* In CAS mode, when you create a new variable to store something, the app crashes. If you use it to add sub mul div ide and find trig functions only it works. More than that ... no, it crashes. ### 1/5 — 闪退 *2018-12-05* 经常莫名闪退。 ### 1/5 — Good, but has a few issues *2018-10-12, version 1.4.1* Update from original review: 6 months ago I posted a list of things that could make this app much better, but since this app is not been updated in over 7 months I have to say I am more than disappointed. The app does not support the iPhone X display, does not support iPad multi tasking, and you still can not use the calculator while on the phone. While the app runs fine, the lack of updates in inexcusable. Until this app is updated I do not recommend anyone buy the paid version of this application. Though considering how it’s been over 7 months, I highly doubt this app will get an update. Should this app be updated I will update my review, just don’t blame me if it takes me 7 months to do so ok? Original Review: First of all, I am just really happy that this app exists, I occasionally forget my hp Prime in my dorm, and this app is a lifesaver, but that doesn’t mean it is without its issues. The first issue this app has is when you are on the phone and try to use the app in portrait mode, the buttons mapping shifts downward (by the distance of the green bar) which means when I hit 1 it thinks I’m hitting 0, this is an issue that bugs me, but is fixed by going in landscape interestingly. Another issue for me at least is that this app is not optimized for iPhone X, it would be great if the app would fix that. Also, the bezels are kinda annoying. The app teases you when you first start it up by showing it without the black bezels, I’m not sure if the full version fixes this or not, but it would be great to have the option to remove the side bezels. Last, for iPad Pro users. Please update the app to allow multitasking support. My dad uses that feature all the time and it would be awesome if he could use the app in multitasking. Issues aside this is a great app, and would be even better should they fix these few things. ### 1/5 — Debería tener descuento la aplicación a quien compramos la calculadora física *2018-05-03, version 1.4.1* Penoso cobrar casi 30€ a quienes tenemos la calculadora físicamente. Sin ningún descuento ni nada ## Most praised reviews (10 highest-rated) ### 5/5 — Con calcolo simbolico… *2026-04-01, version 2.1.14581* È vero che il tasto CAS non produce nessun effetto, ma le funzioni per il calcolo simbolico ci sono tutte. Provare per credere. Un taglio importante è nelle applicazioni disponibili, ma se venite da una hp 28 oppure 48, avete tutto ed anche di più. Incredibile che sia gratis!!! Parte dei setting sono disponibili spostando a destra la calcolatrice, altre nelle impostazioni. Un affare! Da installare prima che cambino idea. ### 5/5 — Très bonne conversion en application *2025-04-16* On retrouve la quasi totalité des fonctionnalités de la HP Prime G2 dans cette calculatrice. Idéal donc pour faire des calculs plus ou moins complexes. Quelques applications sont néanmoins absentes, et il faudra acheter la version payante pour profiter de l’intégralité des fonctionnalités. ### 5/5 — Great RPN emulator for numerical calculations *2023-09-30, version 2.1.14581* The title says it all and it’s free. ### 5/5 — Increíble programa *2023-05-09, version 2.1.14581* La mejor calculadora científica que he encontrado en el App Store ### 5/5 — Add skins *2020-05-28, version 2.1* Make the app customizable!! Great calc though! ### 5/5 — Update 2.1 *2020-03-30* Seit dem letzten Update treten die von mir bemängelten Fehler mit den Randomzahlen nicht mehr auf. Ehrlich gesagt hatte ich nicht mehr mit einem Update gerechnet. Deshalb gibt es diesmal von mir fünf Sterne. ### 5/5 — Powerful *2020-02-02, version 2.1* 5 for easy working with complex numbers, 5 for easy work with mixed different units 5 for accessibility, 5 for easy define of functions and use of them Good for electrical engineers Only may need a big screen ### 5/5 — Nice RPN calculator *2019-05-28, version 1.4.1* Nothing will EVER replace my HP48g+ but this seems to come as close as possible! :-) ### 5/5 — 不错不错不错 *2019-04-14* 哎哟不错哦 ### 5/5 — Great but I wish it had skins *2019-04-11, version 1.4.1* This is a great app, I love the RPN mode. Once you go RPN you will never go back. I just wish the app had optional skins and layout profiles for the keys. I want all the new features and functionality, I just wish the layout and color scheme could mimic the old 48G. I still have my 48G and I tell my kids that have to use the super fancy new TI Graphic Calc for school that “some day you will get a real calculator, like an HP, that can do RPN”. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*