# Doblin vs Sundae

The clearest difference is in-app purchases: Doblin at none against Sundae's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sundae sells 1 one-off in-app purchase. Doblin asks for nothing beyond the download.

Doblin ships an update every 6 days, Sundae every 4 days. The most recent releases landed on October 22, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Doblin | Sundae |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 10 MB | 13 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KWANG ROK KIM](https://appshunter.io/developer/6792751927) | [飞 徐](https://appshunter.io/developer/1823239861) |

## What reviewers say

### Doblin

[App page](https://appshunter.io/ios/app/doblin-one-task-to-do-list/id6793759598)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sundae

[App page](https://appshunter.io/ios/app/sundae-visual-timer/id6803122400)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sundae Full | $9.99 | one-time |


## Frequently asked questions

### Is Doblin free?

Doblin is free to download, with no in-app purchases.

### Is Sundae free?

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

### Do Doblin or Sundae have ads?

Neither Doblin nor Sundae shows ads.

### Which is updated more often, Doblin or Sundae?

Doblin ships an update every 6 days, and Sundae every 4 days. Most recently, Doblin was updated on October 22, 2026 and Sundae on October 10, 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.*