# ThinkOnTheFly vs iSub Player

The clearest difference is ads: ThinkOnTheFly at none against iSub Player's shown. iSub Player's advantage is iOS requirement (15.5 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. ThinkOnTheFly sells 3 in-app purchases, starting at $0.99 per month and iSub Player sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ThinkOnTheFly | iSub Player |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 10 MB | 128 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [家贺 万](https://appshunter.io/developer/1820076368) | [Shandong HOPE Machine Co., Ltd.](https://appshunter.io/developer/6785255161) |

## What reviewers say

### ThinkOnTheFly

[App page](https://appshunter.io/ios/app/thinkonthefly/id6747250744)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Annual Plan | $2.99 | per year |
| Lifetime Access | $5.99 | one-time |


### iSub Player

[App page](https://appshunter.io/ios/app/isub-player/id6785255159)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


## Frequently asked questions

### Is ThinkOnTheFly free?

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

### Is iSub Player free?

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

### Do ThinkOnTheFly or iSub Player have ads?

iSub Player shows ads; ThinkOnTheFly does not.

### Which is updated more often, ThinkOnTheFly or iSub Player?

ThinkOnTheFly ships an update fortnightly, and iSub Player fortnightly. Most recently, ThinkOnTheFly was updated on October 18, 2026 and iSub Player on October 8, 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.*