Comparison

Summa vs Aside

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

Head to head
About

Summa

Features
Read full description

You ask something, Summa AI writes the calculation for it. Whether the electric car pays off, how much paint three rooms need, what the travel budget leaves per day – line by line, with every assumption. Change a value, and the result follows at once. Ask what decides the result, or have a single line changed. You can also calculate yourself, as on paper: every line shows its result. Plus tables, sliders, percentages, units, currencies, deadlines and loans. Your notes live in your iCloud and are the same on iPhone, iPad and Mac. No account, no ads, and Summa collects no data about you. Requests to Summa AI are processed by Apple, not by the developer. FREE, PRO AND AI β€’ Free: up to three notes at a time, every calculation feature β€’ Summa Pro: unlimited notes, charts, PDF export – one purchase β€’ Summa AI: subscription with unlimited notes. Requires iOS 27 or macOS 27 with Apple Intelligence. Summa AI runs on Apple's Private Cloud Compute; how many requests are possible in which period is set by Apple for each Apple Account. Terms of Use: https://osiev.de/en/summa/eula.html

About

Aside

Features
Read full description

Aside is your private space for thoughts, designed to feel as natural as messaging yourself. Open a conversation and capture whatever matters: text, voice notes, photos, links, GPS points, and files. Reply to your own messages, add reactions, pin important thoughts, and find anything with fast search. See something worth keeping in another app? Share it directly to Aside, choose a conversation, and it is saved for later. BUILT FOR THE WAY YOU THINK β€’ Create personal conversations for ideas, projects, reminders, journals, and more β€’ Capture text, voice notes, photos, links, locations, and files β€’ Reply, react, pin, search, archive, and organize β€’ Share content straight into the conversation you choose β€’ Customize conversations with colors, images, or emoji β€’ Start instantly from the home screen widget PRIVATE BY DESIGN No account. No ads. No developer-operated cloud sync. Your conversations and attachments are stored locally in the app on your device and are not sent to the developer’s servers. ASIDE FREE AND ASIDE PRO Aside Free includes up to 3 conversations. Unlock Aside Pro with a one-time purchase to create unlimited conversations. No subscription. Capture it now. Find it when you need it. Keep it yours.

Screenshots

Summa4 screens
Aside4 screens

Verdict

The call

The clearest difference is device support: Summa at 3 against Aside's 1. Aside's advantage is iOS requirement (16.4 vs 26.0). On price, ads and in-app purchases there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Summa sells 3 in-app purchases, starting at $1.99 per month and Aside sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences Β· 4 level
Summa versus Aside: the parameters behind the verdict, then further details
ParameterSummaAside
PriceFreeFree
Update frequencyEvery 6 daysβ€”
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Mac β€” betteriPhone
Requires iOS26.016.4 β€” better
Further details β€” not scored
Size6 MB64 MB
Age rating4+4+
DeveloperOliver Dietmar Harald SieversAlessandro Chelli

In-app purchases

3 purchases

Summa

Subscriptions2
  • Summa AI$1.991 Month
  • Summa AI$12.991 Year
One-time1
  • Summa Pro$8.99
1 purchases

Aside

One-time1
  • Aside Pro Lifetime$8.99

Questions

Is Summa free?
Summa is free to download, with in-app purchases available.
Is Aside free?
Aside is free to download, with in-app purchases available.
Do Summa or Aside have ads?
Neither Summa nor Aside shows ads.

Other comparisons