Comparison

Impari PPP vs SACNAS

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Impari PPP

Features
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Memorize details on the pentose phosphate pathway (AKA, phosphogluconate pathway or hexose monophosphate shunt) for biology and biochemistry with this highly customizable quizzing application. Adjust it to suit your particular learning requirements. Draw questions from one or more of many choices, including: * participating reaction molecules * full chemical name * abbreviation * chemical skeletal formula * chemical structural formula * reaction catalysts * full chemical name * abbreviation * pentose phosphate pathway reactions * reactants * catalysts * products Select answers from one or more of many choices, including all of the question options as well as: * enzyme class of the catalysts * pentose phosphate pathway phase * chemical co-reactants involved in the reactions * chemical by-products produced by the reactions Configure the number of questions and how they are selected: * user set number of random questions (allowing repeats) * user set number of unique, non-repeating questions * ask ALL questions currently matching the selection filters Configure how missed answers are handled with multiple options: * just continue with quiz * repeat missed questions one time * keep repeating missed questions until answered correctly Utilize filters to further limit the questions included and target your individual learning goals. Quiz includes both single choice questions and select-all-that-apply questions. Save settings that meet your needs to be used automatically with future use of the application - or reset to the system defaults at will. All of this allows you to configure the app to help you quickly learn the pentose phosphate pathway reactions including the reactants, catalysts, products, co-reactants, and by-products. It is an ideal study aid for biology and biochemistry students who need to memorize various portions of this information.

About

SACNAS

Features
Read full description

Official app of the SACNAS National Diversity in STEM Conference (NDiSTEM)

Screenshots

Impari PPP4 screens
SACNAS4 screens

Verdict

The call

The clearest difference is price: SACNAS at Free against Impari PPP's $1.99. Impari PPP's advantage is update cadence (every 8 days vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

SACNAS is free to download; Impari PPP costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Impari PPP ships an update every 8 days, SACNAS every 6 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

Scorecard2 real differences ยท 4 level
Impari PPP versus SACNAS: the parameters behind the verdict, then further details
ParameterImpari PPPSACNAS
Price$1.99Free โ€” better
Update frequencyEvery 8 days โ€” betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS16.6 โ€” better17.0
Further details โ€” not scored
Size3 MB60 MB
Age rating4+4+
DeveloperDavid OrgemanSociety For Advancement Of Chicanos and Native Americans in Science, Inc.

In-app purchases

None

Impari PPP

No in-app purchases

None

SACNAS

No in-app purchases

Questions

Is Impari PPP free?
Impari PPP costs $1.99, with no in-app purchases.
Is SACNAS free?
SACNAS is free to download, with no in-app purchases.
Do Impari PPP or SACNAS have ads?
Neither Impari PPP nor SACNAS shows ads.
Which is updated more often, Impari PPP or SACNAS?
Impari PPP ships an update every 8 days, and SACNAS every 6 months. Most recently, Impari PPP was updated on October 16, 2026 and SACNAS on October 10, 2026.

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