# TD Snap® vs imi

The clearest difference is update cadence: imi at every 2 weeks against TD Snap®'s every 2 months. imi also leads on iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TD Snap® sells 10 in-app purchases, starting at $4.99 per month and imi sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TD Snap® ships an update every 2 months, imi every 2 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TD Snap® | imi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (856 ratings)](https://appshunter.io/ios/app/td-snap/id1072799231/reviews)** | — |
| Number of ratings | **856** | — |
| Positive reviews | 30.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Subscription | — |
| Size | 3.4 GB | 97 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tobii Dynavox LLC](https://appshunter.io/developer/446210474) | [Christophe Garreau](https://appshunter.io/developer/1293988492) |

## What reviewers say

### TD Snap®

[App page](https://appshunter.io/ios/app/td-snap/id1072799231)

This communication software assists individuals with speech and language disabilities by offering symbol-supported and text-based communication options. It features customizable page sets and editing tools, accessible via touch, eye gaze, and switch access. A subscription is required after a trial period.

**Highlights:** Symbol-supported and text-based page sets, Customizable editing tools, Touch, eye gaze, and switch access, Picture Communication Symbols library, Visual schedules and timers, Cloud-based content syncing

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gateway Monthly | $4.99 | per month |
| PODD Monthly | $4.99 | per month |
| Metacom Monthly | $4.99 | per month |
| Speaking Upgrade Monthly | $9.99 | per month |
| Acapela Voices | $39.99 | one-time |
| Nuance Voices | $39.99 | one-time |
| Speaking Upgrade | $49.99 | one-time |
| METACOM Symbols | $49.99 | one-time |
| PODD Page Sets | $149.99 | one-time |
| Gateway Page Sets | $149.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Customizable
- 🚀 Intuitive navigation
- 👍 Helpful supports and features
- 🚀 Flexible and robust

**What reviewers complain about**

- 🔒 Subscription model for voice
- 🐛 Voice issues after updates
- 💰 Expensive subscription
- 🔒 Removing previously paid features
- 🐛 Crashes and bugs

**Reported bugs**

- Voice disappearing after updates
- Crashes on launch
- Incompatibility with iPad Pro
- Inability to restore purchased content

**Requested features**

- Ability to change undo symbol
- Link to ACCIL image database
- Ability to set user age for appropriate vocabulary
- More robust core vocabulary
- Easier grammar modeling


### imi

[App page](https://appshunter.io/ios/app/imi/id1293988493)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acheter imi (usage illimitée) | Free | one-time |


## Frequently asked questions

### Is TD Snap® free?

TD Snap® is free to download, with in-app purchases available.

### Is imi free?

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

### Do TD Snap® or imi have ads?

Neither TD Snap® nor imi shows ads.

### Which is updated more often, TD Snap® or imi?

TD Snap® ships an update every 2 months, and imi every 2 weeks. Most recently, TD Snap® was updated on October 13, 2026 and imi on October 7, 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.*