# iSOLID vs OfferStory

The clearest difference is in-app purchases: iSOLID at none against OfferStory's 3. iSOLID also leads on update cadence (every 2 days vs weekly). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. OfferStory sells 3 in-app purchases, starting at $6.99 per month. iSOLID asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for iSOLID against 5.0 for OfferStory. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

iSOLID ships an update every 2 days, OfferStory weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iSOLID | OfferStory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/isolid-learn-programming/id6752113008/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/offerstory-ai-interview-coach/id6757372765/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | **Free** | Freemium |
| Size | 33 MB | 46 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Nikolai Borisov](https://appshunter.io/developer/1838085350) | [Tyrian Horton](https://appshunter.io/developer/1858683899) |

## What reviewers say

### iSOLID

[App page](https://appshunter.io/ios/app/isolid-learn-programming/id6752113008)

Master programming fundamentals, Swift, and iOS development with clear explanations, code examples, and interactive quizzes. Track your progress and prepare for interviews with this comprehensive learning tool.

**Highlights:** Swift & iOS development, SOLID principles explained, Programming concepts, Interactive quizzes, Progress tracking, Interview preparation

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

**In-app purchases:** none


### OfferStory

[App page](https://appshunter.io/ios/app/offerstory-ai-interview-coach/id6757372765)

Practice mock interviews with AI-powered feedback on your answers. Improve your STAR method, articulation, and delivery to ace your next job offer. Track your progress and build a library of polished responses.

**Highlights:** Mock interview practice, AI-powered STAR feedback, Answer bank for response refinement, Company-specific interview prep, Drill library by competency, Progress tracking and insights, On-device voice recording and analysis

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OfferStory Pro: AI Interview | $6.99 | per month |
| OfferStory Pro: STAR Coaching | $49.99 | per year |
| OfferStory Lifetime: AI Coach | $24.99 | one-time |


## Frequently asked questions

### Is iSOLID free?

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

### Is OfferStory free?

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

### Which has better reviews, iSOLID or OfferStory?

iSOLID and OfferStory are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do iSOLID or OfferStory have ads?

Neither iSOLID nor OfferStory shows ads.

### Which is updated more often, iSOLID or OfferStory?

iSOLID ships an update every 2 days, and OfferStory weekly. Most recently, iSOLID was updated on November 5, 2026 and OfferStory 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.*