# Blob To Do vs KeepWhen

The clearest difference is in-app purchases: Blob To Do at none against KeepWhen's 1. Blob To Do also leads on iOS requirement (16.6 vs 18.0). KeepWhen's advantage is update cadence (every 6 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. KeepWhen sells 1 one-off in-app purchase. Blob To Do asks for nothing beyond the download.

Blob To Do ships an update every 4 months, KeepWhen every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Blob To Do | KeepWhen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Size | 11 MB | 5 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rodion Novikov](https://appshunter.io/developer/1665185350) | [Mattia D'Alleva](https://appshunter.io/developer/1436188657) |

## What reviewers say

### Blob To Do

[App page](https://appshunter.io/ios/app/blob-to-do-task-list/id6744033382)

**Features:** macOS Compatibility

**In-app purchases:** none


### KeepWhen

[App page](https://appshunter.io/ios/app/keepwhen-days-since-tracker/id6818130135)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro: Unlimited & iCloud Sync | $5.99 | one-time |


## Frequently asked questions

### Is Blob To Do free?

Blob To Do is free to download, with no in-app purchases.

### Is KeepWhen free?

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

### Do Blob To Do or KeepWhen have ads?

Neither Blob To Do nor KeepWhen shows ads.

### Which is updated more often, Blob To Do or KeepWhen?

Blob To Do ships an update every 4 months, and KeepWhen every 6 days. Most recently, Blob To Do was updated on October 30, 2026 and KeepWhen on October 31, 2026.

---

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