# SumsApp vs Grain

The clearest difference is in-app purchases: Grain at none against SumsApp's 3. Grain also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.6). SumsApp's advantage is update cadence (every 2 weeks vs every 3 weeks). On price and device support there is nothing between them.

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

SumsApp ships an update every 2 weeks, Grain every 3 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SumsApp | Grain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (177 ratings)](https://appshunter.io/ios/app/sumsapp/id989345503/reviews)** | — |
| Number of ratings | **177** | — |
| Positive reviews | 64.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 43 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Niwa](https://appshunter.io/developer/888556976) | [IBUKI YAMADA](https://appshunter.io/developer/1891987707) |

## What reviewers say

### SumsApp

[App page](https://appshunter.io/ios/app/sumsapp/id989345503)

This smart notepad automatically detects numbers in your notes and calculates totals. Organize notes into folders for combined totals and use advanced search to filter and sum specific entries. It's a calculator-free way to manage lists, expenses, and budgets.

**Highlights:** Automatic number detection, Automatic total calculations, Notes organization into folders, Combined folder totals, Advanced search and filtering, CSV export

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Lifetime Pro | $39.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Ingenious concept for calculations
- 🚀 Efficient for quick math
- 👍 Useful for expense tracking
- 👍 Great for financial management

**What reviewers complain about**

- 😞 Aggressive subscription prompts
- 😞 Data loss and deletion issues
- 😞 Paid for app, now locked out
- 😞 Frequent pop-ups for Pro upgrade
- 😞 Unreliable data saving

**Reported bugs**

- Data is deleted/lost
- App crashes after recent update
- Pop-up prompts for Pro version appear constantly
- Restore purchase does not work
- Information entered disappears

**Requested features**

- Add '+' and '÷' symbols to number bar
- Option to sync Mac version
- Ability to group files for 'Totals' figure
- Button to add date stamp
- Option to automatically display date in notes


### Grain

[App page](https://appshunter.io/ios/app/grain-habit-tracker/id6761901795)

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

**In-app purchases:** none


## Frequently asked questions

### Is SumsApp free?

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

### Is Grain free?

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

### Do SumsApp or Grain have ads?

SumsApp shows ads; Grain does not.

### Which is updated more often, SumsApp or Grain?

SumsApp ships an update every 2 weeks, and Grain every 3 weeks. Most recently, SumsApp was updated on November 11, 2026 and Grain on October 31, 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.*