# Sum Calculator Memo vs Spin Premia

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.

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.

## The numbers

| Metric | Sum Calculator Memo | Spin Premia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-calculator-memo/id6445968148/reviews)** | [4.8 (5.7K ratings)](https://appshunter.io/ios/app/spin-premia/id6448477929/reviews) |
| Number of ratings | 1 | **5.7K** |
| Positive reviews | — | 47.9% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 17 MB | 90 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) | [Digital Femsa](https://appshunter.io/developer/1684788627) |

## What reviewers say

### Sum Calculator Memo

[App page](https://appshunter.io/ios/app/sum-calculator-memo/id6445968148)

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:** macOS Compatibility

**In-app purchases:** none


### Spin Premia

[App page](https://appshunter.io/ios/app/spin-premia/id6448477929)

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

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient access to financial services
- 💡 Rewards program with points

**What reviewers complain about**

- 🐛 Frequent app crashes and updates required
- 🐛 Registration and login issues
- 🐛 Points not being awarded properly
- 🐛 App not functioning correctly

**Reported bugs**

- App crashes and freezes
- Points not being awarded
- Login and registration problems

**Requested features**

- Improve app stability and reliability
- Streamline registration and login process
- Ensure consistent and reliable points accrual


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*