# Sponge Time vs NotiSync

The clearest difference is in-app purchases: NotiSync at none against Sponge Time's 3. Sponge Time's advantage is update cadence (every 6 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sponge Time sells 3 in-app purchases, starting at $0.99 per month. NotiSync asks for nothing beyond the download.

Sponge Time ships an update every 6 days, NotiSync fortnightly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sponge Time | NotiSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Size | 35 MB | 20 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Hangzhou Lion Cat Culture Technology Co., Ltd.](https://appshunter.io/developer/1842787919) | [Dingwen Wang](https://appshunter.io/developer/6784461697) |

## What reviewers say

### Sponge Time

[App page](https://appshunter.io/ios/app/sponge-time-lyubishchev-time/id6756347091)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sponge Time | $0.99 | per month |
| Sponge Time | $4.99 | per year |
| Sponge Time | $9.99 | one-time |


### NotiSync

[App page](https://appshunter.io/ios/app/notisync/id6784461695)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sponge Time free?

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

### Is NotiSync free?

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

### Do Sponge Time or NotiSync have ads?

Neither Sponge Time nor NotiSync shows ads.

### Which is updated more often, Sponge Time or NotiSync?

Sponge Time ships an update every 6 days, and NotiSync fortnightly. Most recently, Sponge Time was updated on October 13, 2026 and NotiSync on October 6, 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.*