# Arvig Mobile vs SaySum

The clearest difference is in-app purchases: Arvig Mobile at none against SaySum's 8. Arvig Mobile also leads on iOS requirement (13.4 vs 18.6). SaySum's advantage is update cadence (every 3 weeks vs every 5 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. SaySum sells 8 in-app purchases, starting at $0.99 per month. Arvig Mobile asks for nothing beyond the download.

Arvig Mobile ships an update every 5 months, SaySum every 3 weeks. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Arvig Mobile | SaySum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 45 MB | 9 MB |
| Requires iOS | **13.4** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Arvig Enterprises, Inc.](https://appshunter.io/developer/1374541482) | [DING JIE TSAI](https://appshunter.io/developer/1805095579) |

## What reviewers say

### Arvig Mobile

[App page](https://appshunter.io/ios/app/arvig-mobile/id6738995319)

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

**In-app purchases:** none


### SaySum

[App page](https://appshunter.io/ios/app/saysum/id6744838207)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly 60-minute credits | $0.99 | per month |
| Monthly 120-minute credits | $1.99 | per month |
| Weekly 120-minute credits | $1.99 | per 7 days |
| Monthly 180-minute credits | $2.99 | per month |
| Monthly 300-minute credits | $4.99 | per month |
| Monthly 650-minute credits | $9.99 | per month |
| Monthly 1400-minute credits | $19.99 | per month |
| Monthly 2000-minute credits | $29.99 | per month |


## Frequently asked questions

### Is Arvig Mobile free?

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

### Is SaySum free?

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

### Do Arvig Mobile or SaySum have ads?

Neither Arvig Mobile nor SaySum shows ads.

### Which is updated more often, Arvig Mobile or SaySum?

Arvig Mobile ships an update every 5 months, and SaySum every 3 weeks. Most recently, Arvig Mobile was updated on October 16, 2026 and SaySum on October 2, 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.*