# LuCent vs Sumspace

The clearest difference is in-app purchases: Sumspace at none against LuCent's 3. Sumspace also leads on ads (none vs shown) and update cadence (every 2 days vs every 4 days). LuCent's advantage is iOS requirement (18.0 vs 26.0). On price and device support there is nothing between them.

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

LuCent ships an update every 4 days, Sumspace every 2 days. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LuCent | Sumspace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 49 MB | 18 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Siarhei Nikalaichyk](https://appshunter.io/developer/1861331646) | [Denis Senkevich](https://appshunter.io/developer/1662090796) |

## What reviewers say

### LuCent

[App page](https://appshunter.io/ios/app/lucent-fast-expense-tracker/id6756549886)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $19.99 | per year |
| Lifetime Premium | $39.99 | one-time |


### Sumspace

[App page](https://appshunter.io/ios/app/sumspace-personal-finance/id6809786649)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is LuCent free?

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

### Is Sumspace free?

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

### Do LuCent or Sumspace have ads?

LuCent shows ads; Sumspace does not.

### Which is updated more often, LuCent or Sumspace?

LuCent ships an update every 4 days, and Sumspace every 2 days. Most recently, LuCent was updated on October 11, 2026 and Sumspace on October 24, 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.*