Sum Calculator Memo vs Spin Premia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Automatic total calculation
- Product name and amount entry
- Unit conversion (weight, length)
- Quantity setting toggle
- Save and compare lists
- Supports multiple units
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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
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | Sum Calculator Memo | Spin Premia |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (5.7K ratings) |
| Positive reviews | — | 47.9% of reviews |
| Number of ratings | 1 | 5.7K — better |
| Update frequency | Every 11 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 17 MB | 90 MB |
| Age rating | 4+ | 17+ |
| Developer | Kouji Yamauchi | Digital Femsa |
Customer experience
Sum Calculator Memo
Spin Premia
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
Sum Calculator Memo
No in-app purchases
Spin Premia
No in-app purchases
Questions
Is Sum Calculator Memo free?
Is Spin Premia free?
Which has better reviews, Sum Calculator Memo or Spin Premia?
Do Sum Calculator Memo or Spin Premia have ads?
Which is updated more often, Sum Calculator Memo or Spin Premia?
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