# YieldGimp vs 183 Days

The clearest difference is iOS requirement: YieldGimp at 17.6 against 183 Days's 26.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. YieldGimp sells 1 in-app purchase, starting at $2.99 per month and 183 Days sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

YieldGimp ships an update every 2 weeks, 183 Days weekly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | YieldGimp | 183 Days |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 13 MB | 1 MB |
| Requires iOS | **17.6** | 26.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [YieldGimp Ltd.](https://appshunter.io/developer/1774704867) | [Canis Majoris Trading and Business LLP](https://appshunter.io/developer/1863405159) |

## What reviewers say

### YieldGimp

[App page](https://appshunter.io/ios/app/yieldgimp/id6737123283)

This app offers UK bond and gilt analytics, providing users with access to gilt yields, historical data, and yield shock analysis. A free account is required for basic features, with a 7-day trial for full analytics before a monthly subscription is needed.

**Highlights:** UK bond and gilt analytics, Gilt yields, Historical price and yield charts, Yield shock analysis, Free account registration, 7-day full analytics trial

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |


### 183 Days

[App page](https://appshunter.io/ios/app/183-days/id6756880027)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $7.99 | one-time |


## Frequently asked questions

### Is YieldGimp free?

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

### Is 183 Days free?

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

### Do YieldGimp or 183 Days have ads?

Neither YieldGimp nor 183 Days shows ads.

### Which is updated more often, YieldGimp or 183 Days?

YieldGimp ships an update every 2 weeks, and 183 Days weekly. Most recently, YieldGimp was updated on October 7, 2026 and 183 Days on October 9, 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.*