# TailScope vs Sumbox

The clearest difference is update cadence: Sumbox at every 3 days against TailScope's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TailScope sells 1 one-off in-app purchase and Sumbox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TailScope ships an update every 3 weeks, Sumbox every 3 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TailScope | Sumbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 8 MB | 159 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Fengcong Technology Co., Ltd.](https://appshunter.io/developer/1640023165) | [群利 凌](https://appshunter.io/developer/6810484002) |

## What reviewers say

### TailScope

[App page](https://appshunter.io/ios/app/tailscope/id6802478511)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TailScope Pro Lifetime | $2.99 | one-time |


### Sumbox

[App page](https://appshunter.io/ios/app/sumbox-calculator-and-tools/id6816644434)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Themes | $2.99 | one-time |


## Frequently asked questions

### Is TailScope free?

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

### Is Sumbox free?

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

### Do TailScope or Sumbox have ads?

Neither TailScope nor Sumbox shows ads.

### Which is updated more often, TailScope or Sumbox?

TailScope ships an update every 3 weeks, and Sumbox every 3 days. Most recently, TailScope was updated on October 29, 2026 and Sumbox on October 31, 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.*