Comparison

Sum Calculator Memo vs Spin Premia

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

Head to head
About

Sum Calculator Memo

Easily calculate the total cost of multiple items while shopping. This app allows you to input product names and amounts, with options to adjust units for weight or length calculations. Saved lists enable easy comparison and later review of your purchases.

Highlights
  • Automatic total calculation
  • Product name and amount entry
  • Unit conversion (weight, length)
  • Quantity setting toggle
  • Save and compare lists
  • Supports multiple units
Features
Read full description

It is a free app that can automatically calculate the total amount by taking a note of the product name and amount. You can easily check the total amount when purchasing multiple items at shopping. You can also change the units, so you can calculate the total weight and length. If you purchase more than one of the same product, you can switch between displaying and hiding the quantity setting. You can easily check the total amount by entering only the amount. The entered list can be saved with a name, so you can check it later or compare multiple lists. [List of Units] Price: dollar Length: meters, centimeters, kilometers Weight: grams, kilograms Qty: pcs Volume: liters, milliliters

About

Spin Premia

Earn points and exclusive rewards from various brands like OXXO and Volaris. Redeem points for purchases, gifts, and unique experiences. Discover offers and coupons, or order groceries and essentials for fast delivery.

Highlights
  • Earn points from partner brands
  • Redeem points for products and experiences
  • Discover exclusive offers and coupons
  • Order groceries and essentials for delivery
  • Schedule deliveries or get them fast
Read full description

Earn points and enjoy gift products, as well as exclusive experiences given to you by OXXO, Volaris, OXXO GAS, OXXO CEL, Spin by OXXO, Doña Tota, ViX Premium and many more brands! *Brands are the property of their respective owners. Use your points to pay for everything from your morning coffee, your favorite soda, gas and even trips to the destination of your dreams. Participate and get gift products, rewards designed for you and tickets to unique events when you register your purchases. Discover and take advantage of the latest offers and coupons created for what you like most. Moreover, if you live in Monterrey or Tijuana... order OXXO a Domicilio and get everything you need for cravings, gatherings, and even groceries—delivered fast in just 35 minutes or scheduled at your preferred time and place! Order through OXXO a Domicilio and access the extended catalog with exclusive promos and rewards only available in the app.

Screenshots

Sum Calculator Memo3 screens
Spin Premia4 screens

Verdict

The call

The clearest difference is ads: Spin Premia at none against Sum Calculator Memo's shown. Spin Premia also leads on update cadence (fortnightly vs every 11 months) and ratings volume (5.7K vs 1). Sum Calculator Memo's advantage is rating (5.0 vs 4.8) and iOS requirement (13.0 vs 15.5). On price, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Sum Calculator Memo holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Spin Premia has 5.7K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Sum Calculator Memo ships an update every 11 months, Spin Premia fortnightly. The most recent releases landed on October 19, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Sum Calculator Memo versus Spin Premia: the parameters behind the verdict, then further details
ParameterSum Calculator MemoSpin Premia
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (5.7K ratings)
Positive reviews—47.9% of reviews
Number of ratings15.7K — better
Update frequencyEvery 11 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.5
Further details — not scored
Size17 MB90 MB
Age rating4+17+
DeveloperKouji YamauchiDigital Femsa

Customer experience

Sum Calculator Memo

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Spin Premia

All ratings5,677 ratings
Positive95.8%
Neutral1.2%
Negative2.9%
Written reviews48 reviews
Positive47.9%
Neutral2.1%
Negative50.0%

Bugs and requests

Sum Calculator Memo

Not enough reviews yet to summarise bugs or requests.

Spin Premia

Reported bugs

3 issues
  • App crashes and freezes
  • Points not being awarded
  • Login and registration problems

Requested features

3 requests
  • Improve app stability and reliability
  • Streamline registration and login process
  • Ensure consistent and reliable points accrual

In-app purchases

None

Sum Calculator Memo

No in-app purchases

None

Spin Premia

No in-app purchases

Questions

Is Sum Calculator Memo free?
Sum Calculator Memo is free to download, with no in-app purchases.
Is Spin Premia free?
Spin Premia is free to download, with no in-app purchases.
Which has better reviews, Sum Calculator Memo or Spin Premia?
Sum Calculator Memo is rated higher. Sum Calculator Memo averages 5.0 out of 5 from 1 ratings, while Spin Premia averages 4.8 from 5.7K ratings.
Do Sum Calculator Memo or Spin Premia have ads?
Sum Calculator Memo shows ads; Spin Premia does not.
Which is updated more often, Sum Calculator Memo or Spin Premia?
Sum Calculator Memo ships an update every 11 months, and Spin Premia fortnightly. Most recently, Sum Calculator Memo was updated on October 19, 2026 and Spin Premia on November 3, 2026.

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