# SIAVAL SignApp vs Tabata Timer

The clearest difference is in-app purchases: SIAVAL SignApp at none against Tabata Timer's 3. SIAVAL SignApp also leads on iOS requirement (15.0 vs 18). Tabata Timer's advantage is update cadence (every 3 days vs every 19 months). On price, ads and device support there is nothing between them.

Both are free to download. Tabata Timer sells 3 in-app purchases, starting at $2.99 per month. SIAVAL SignApp asks for nothing beyond the download.

SIAVAL SignApp ships an update every 19 months, Tabata Timer every 3 days. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SIAVAL SignApp | Tabata Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 days** |
| Size | 53 MB | 1 MB |
| Requires iOS | **15.0** | 18 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mobbeel](https://appshunter.io/developer/610287929) | [Denis Denisov](https://appshunter.io/developer/1764108481) |

## What reviewers say

### SIAVAL SignApp

[App page](https://appshunter.io/ios/app/siaval-signapp/id6736728009)

**In-app purchases:** none


### Tabata Timer

[App page](https://appshunter.io/ios/app/tabata-timer-simple-hiit/id6760946483)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Month | $2.99 | per month |
| Pro Year | $17.99 | per year |
| LifiTime Pro | $39.99 | one-time |


## Frequently asked questions

### Is SIAVAL SignApp free?

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

### Is Tabata Timer free?

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

### Do SIAVAL SignApp or Tabata Timer have ads?

Neither SIAVAL SignApp nor Tabata Timer shows ads.

### Which is updated more often, SIAVAL SignApp or Tabata Timer?

SIAVAL SignApp ships an update every 19 months, and Tabata Timer every 3 days. Most recently, SIAVAL SignApp was updated on October 10, 2026 and Tabata Timer on October 7, 2026.

---

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