# DebtSyn vs Bolly

The clearest difference is iOS requirement: Bolly at 15.0 against DebtSyn's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. DebtSyn sells 3 in-app purchases, starting at $2.99 per month and Bolly sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DebtSyn ships an update every 6 days, Bolly every 8 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | DebtSyn | Bolly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 8 days |
| Size | 30 MB | 67 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SINTA Technology](https://appshunter.io/developer/6772748657) | [Giang Huy](https://appshunter.io/developer/1727134761) |

## What reviewers say

### DebtSyn

[App page](https://appshunter.io/ios/app/debtsyn-split-bills-and-ious/id6792980219)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Quarterly | $7.99 | per 3 months |
| Premium Yearly | $19.99 | per year |


### Bolly

[App page](https://appshunter.io/ios/app/bolly-ai-expense-tracker/id6813108415)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Molly Pro Weekly | $0.99 | per 7 days |
| Lifetime Pro First Day | $2.99 | one-time |
| Lifetime Pro | $5.99 | one-time |


## Frequently asked questions

### Is DebtSyn free?

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

### Is Bolly free?

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

### Do DebtSyn or Bolly have ads?

Neither DebtSyn nor Bolly shows ads.

### Which is updated more often, DebtSyn or Bolly?

DebtSyn ships an update every 6 days, and Bolly every 8 days. Most recently, DebtSyn was updated on November 10, 2026 and Bolly on November 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.*