# Let's Sum It vs Ten Frames

The clearest difference is in-app purchases: Let's Sum It at none against Ten Frames's 1. Let's Sum It also leads on iOS requirement (10.0 vs 15.1). Ten Frames's advantage is update cadence (weekly vs every 3 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Ten Frames sells 1 one-off in-app purchase. Let's Sum It asks for nothing beyond the download.

Let's Sum It ships an update every 3 months, Ten Frames weekly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Let's Sum It | Ten Frames |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 37 MB | 111 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Classroom Focused Software](https://appshunter.io/developer/406741679) | [M Crisan Sarbu](https://appshunter.io/developer/716514433) |

## What reviewers say

### Let's Sum It

[App page](https://appshunter.io/ios/app/lets-sum-it/id1125545882)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ten Frames

[App page](https://appshunter.io/ios/app/ten-frames/id6761128289)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ten Frames Premium | $4.99 | one-time |


## Frequently asked questions

### Is Let's Sum It free?

Let's Sum It is free to download, with no in-app purchases.

### Is Ten Frames free?

Ten Frames is free to download, with in-app purchases available.

### Do Let's Sum It or Ten Frames have ads?

Neither Let's Sum It nor Ten Frames shows ads.

### Which is updated more often, Let's Sum It or Ten Frames?

Let's Sum It ships an update every 3 months, and Ten Frames weekly. Most recently, Let's Sum It was updated on October 9, 2026 and Ten Frames on October 7, 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.*