# Keepa · Price Tracker vs Sum Calculator Memo

The clearest difference is ads: Keepa · Price Tracker at none against Sum Calculator Memo's shown. Keepa · Price Tracker also leads on update cadence (every 4 days vs every 11 months) and ratings volume (1.5K vs 1). Sum Calculator Memo's advantage is rating (5.0 vs 4.8) and iOS requirement (13.0 vs 16.4). 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: Keepa · Price Tracker has 1.5K ratings behind it against 1, so its average is the more settled of the two.

Keepa · Price Tracker ships an update every 4 days, Sum Calculator Memo every 11 months. The most recent releases landed on October 30, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Keepa · Price Tracker | Sum Calculator Memo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.5K ratings)](https://appshunter.io/ios/app/keepa-price-tracker/id1518541385/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-calculator-memo/id6445968148/reviews)** |
| Number of ratings | **1.5K** | 1 |
| Positive reviews | 51.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 11 months |
| Monetization | **Free** | Ad-supported |
| Size | 79 MB | 17 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keepa.com](https://appshunter.io/developer/1518541384) | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) |

## What reviewers say

### Keepa · Price Tracker

[App page](https://appshunter.io/ios/app/keepa-price-tracker/id1518541385)

Track Amazon product prices and receive alerts for drops or stock availability. Analyze historical pricing, sales rank, and offer counts to shop smarter and identify the best deals.

**Highlights:** Price history graphs, Price drop alerts, Availability alerts, Global product search, Barcode scanner, Sales rank history, International Amazon support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Keepa · Price Tracker free?

Keepa · Price Tracker is free to download, with no in-app purchases.

### Is Sum Calculator Memo free?

Sum Calculator Memo is free to download, with no in-app purchases.

### Which has better reviews, Keepa · Price Tracker or Sum Calculator Memo?

Sum Calculator Memo is rated higher. Keepa · Price Tracker averages 4.8 out of 5 from 1.5K ratings, while Sum Calculator Memo averages 5.0 from 1 ratings.

### Do Keepa · Price Tracker or Sum Calculator Memo have ads?

Sum Calculator Memo shows ads; Keepa · Price Tracker does not.

### Which is updated more often, Keepa · Price Tracker or Sum Calculator Memo?

Keepa · Price Tracker ships an update every 4 days, and Sum Calculator Memo every 11 months. Most recently, Keepa · Price Tracker was updated on October 30, 2026 and Sum Calculator Memo on October 19, 2026.

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